-Public Information Statement Flooding most frequently occurs in October and November, which is the end of the Southeast Texas wet season. Monthly: 1981-2010 normals In fall, cold fronts bring in rainstorms and flooding is not uncommon. -Space Weather Prediction Center, CURRENT WEATHER 9900 Northwest Fwy., Houston 77092. -Weather History 4.11. -Rainfall Reports Precipitation. December 4, 2009: Broke the earliest accumulating snowfall record. -Education You can jump to a separate table for each region of the state: North Central Texas , South Central Texas , East Texas , Gulf Coast and West Texas . Rainfall is ample throughout the year, though dry spells do occur. On average, rain rates will be 1-2 per hour, which could lead to standing water on roads where the heaviest rain hits. Climate Monitoring. Snowfall In Houston, snow does not fall in February through November. [20] This rainfall prompts Houston's 10-month-long "growing season" to begin. -Houston/Galveston Hurricane Ike left ninety percent of people in the Houston Area without power. -StormReady Texas was hit by a record-setting cold snap from the 14-17 February 2021 after three decades that resulted in power outages, disruption of the public water systems, and other cascading effects. August saw the biggest increase with average rainfall increasing by about an inch. Precipitation: 0.72" Humidity: 64%. It's Not Even in the Top 30 of Major U.S. Cities, The Next Plague and How Science Will Stop It. The Houston Fire Department reported 72 rescue operations. -Publications/Brochures National Temperature and Precipitation Maps. -Galveston Questions? -Austin/San Antonio NPR Frets About 'Weight Stigma' As Doctors Fight Childhood Obesity, Ignore the News: Earth Is Getting Cleaner and Healthier, Another Lousy Anti-Vaping Study, Debunked, Insanity: Doctor Gives Teenage Son Cigarettes to Break Vaping Habit, Underwater Suicide? -Models Kentucky was the wettest state with 9.97 inches (253 mm) above normal which ranked as the 8th wettest in . But Houston doesn't get as cold as 20 F (-8 C). -Evacuation ZipZone Almost the entirety of the upper Texas coastline received above 25" of rain, with a majority of the Houston area on southeast and eastward receiving 40-60"+. -Air Now Houston/Galveston, TX1353 FM 646 Suite 202Dickinson, TX 77539281-337-5074Comments? -Activity Planner Annual weather averages for Houston, Texas. Preliminary maximum 24-hour Average Recurrence Interval (ARI) of the rainfall from August 24, 2017 through 12Z August 28, 2017. . This ranked as the 37th wettest in history since 1895. -Local Page. Average monthly snow and rainfall in Houston (Texas) in millimeter This is the mean monthly precipitation over the year, including rain, snow, hail etc. As compared to other cities in Texas, Houston is very rainy. 2-year frequency - a rainfall intensity having a 50 percent probability of occurrence in any given year, that occurs on the average every 2 years over a long period of time. The wettest season is Autumn with 29% of yearly precipitation and 21% occurs in Spring, which is the driest season. Climate & Weather Averages in Houston, Texas, USA Time/General Weather Time Zone DST Changes Sun & Moon Weather Today Weather Hourly 14 Day Forecast Yesterday/Past Weather Climate (Averages) Currently: 61 F. Since the mid-1990s, Houston has seen a great increase in wildlife along the bayou due to many successful cleaning attempts. -FloodAware Pressure: 30.15 "Hg. Hail can accumulate but only in small quantities. -Activity Planner Severe weather of Houston mostly takes the form of flooding, which occurs most commonly in the months of May to October, which is the city's monsoon season. -Spaceflight Meteorology Group Situated near the base of the Olympic Mountains, this town of 6,600 residents is often shielded from extensive rainfall but rather gets little rain very often. May thru Dec and Year columns for 2021 are based on the 1991-2020 normals) HGX RSS Feed Foundation Support Specialists. He is also a member of the USA Today Board of Contributors and a featured speaker for The Insight Bureau. In late April 2016, record rainfall fell in the Houston area, and some areas received nearly a season's worth of rain in one night. Masks Depart, 'Stomach Flu' Arrives. Number of rainy days is based on at least 0.01 inches of precipitation. -Aviation Weather Center The last recorded snowfall in Houston was on February 15, 2021. [22] In 2011, a drought resulted in a total of 24.57 inches with less than 1 inch recorded at IAH in six of the year's 12 months; only 0.09 inch was recorded that August and 0.11 inch that April.[21]. Podcast: Sweden's COVID Response; Eco-Doomsday is Cancelled, Why Do Books Smell? The city office remained in downtown Houston from 1881 through May 1969. This might flood certain low-lying intersections, but doesn't generally affect citizens or the business of the city. [47], Houston is well known for its oil and petrochemical industries, which are leading contributors to the city's economy. -StormReady ADDRESS SEARCH. Snow falls infrequently in the Magnolia City. This led to the possibility of an energy crisis, because of the popularity of air-conditioning in Houston, energy costs are generally higher than normal. All weather data collected at the Texas A&M AgriLife Research and Extension Center at Overton may not reflect temperatures or rainfall amounts for other areas of east Texas. Lake Charles, La. Pollution rankings from the EPA and ALA are administered in terms of peak-based standards, focusing strictly on the worst days of the year; on average, ozone levels in Houston are lower than those seen in many other cities of the country, due to dominant winds off the Gulf that ensure clean, marine air.[53]. Menu. National Weather Service George Bush Intercontinental Airport sees an average of 9.6 days per year of freezing temperatures. -Models -Evacuation Routes Daylight -Houston/Galveston -Graphs The climate of Houston is classified as a humid subtropical climate, with tropical influences. Multiple locations were found. -Jefferson County Drainage District 6 -Weather Radio Throughout the year, in Houston, there are 180.5 rainfall days, and 35.35" (898mm) of precipitation is accumulated. -Frequent Products Sorry, the location you searched for was not found. -Harris County Flood Warning System -Space Weather Prediction Center, CURRENT WEATHER National Oceanic and Atmospheric Administration -Evacuation Planning Seattle gets 37.5 inches of precipitation during an average year, a drop in the rain barrel compared to 126.7 inches in Hilo, Hawaii, and 141.3 inches in Ketchikan, Alaska. Located in the far eastern part of the state, which is by far the wettest, Houston gets more rainfall than any of the other major cities like San Antonio, Dallas and Austin, which are all more centrally located. National Oceanic and Atmospheric Administration The deluge led to deadly flooding, and nine counties were declared to be in a state of disaster. -Harris County Flood Warning System -Drought, History -Local Page. History for Houston Intercontinental, Texas on Monday, September 4, 2000. October, the same as September, is a moderately hot autumn month in Houston, Texas, with temperature in the range of an average low of 64.2F (17.9C) and an average high of 81F (27.2C). Regrettably, weather records prior to 1889 are not available. -College Station -Climatology for SE TX February 12, 1960: 4.4 inches (11cm) of snow. -Models The annual rainfall of 38.2 inches in Chicago means that it is drier than most places in Illinois. -Beach In October, the average high-temperature slightly decreases from a tropical 88.3F (31.3C) in September to a warm 81F (27.2C). Spring comes with a gradual warm up from winter, lasting from February through May. Which is the wettest month in Houston? -Corpus Christi They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. -Major Events, RADAR At 35.1 inches (891 mm) of precipitation a year, Rochester ranks 37th among major US cities for highest annual precipitation. And rainfall was substantially lower. -Galveston Beach Patrol (Flag Warning System), FORECASTS Climatologist Brian Brettschneider also made what he called the "Dreariness Index," which factors in total precipitation, the number of wet days, and cloudiness. There are radar estimates that totals may have reached 70 inches of rain over the course of five days. So, Seattle's reputation is totally deserved because of the number of days in which it rains. Between 1970 and 2018, Houston's mean annual rainfall jumped from 49 inches to near 57 at Hobby Airport. For the purpose of storm drainage design, the following frequencies are applicable: 1. -Aviation Weather Center The month with the most wet days at George Bush Intercontinental Airport is June, with . More information & alert signup. -StormReady However, a relatively complete set of daily temperature and rainfall data is available dating back to 1892 with some temperature and rainfall records dating back to 1889. But Buffalo, Cleveland, and Pittsburgh? -Observations Current Conditions Radar Forecasts Rivers and Lakes Climate and Past Weather Local Programs < < Go Back Rainfall Scorecard This table compares rainfall amounts from previous years with the current year. The Winter Storm of Feb 15th 2021 was a very Dangerous & Devastating one for the Houston Area, starting out mainly as Freezing Rain with a few flakes or sleet pellets mixing in at times, then transitioning into moderate/heavy sleet during the evening and finally changing over to snow overnight bringing anywhere between 1-4" inches of snow throughout the Houston area on top of a layer of ice/sleet, there were widespread power outages throughout the majority of the state including Houston/Harris County. The normal annual precipitation measures 49.77 inches (1,264 mm). The current year's data has a green background. Early January is the coldest time of the year, with temperatures moderating slightly by February. -Public Information Statement Really? -National Annual rainfall: 16.9 C 62 F: 9.3 C 49 F: 960.8 mm 37.8 in: Burnie is a port city on the north-west coast of Tasmania, Australia. -National -Preparedness Meetings -Hurricane Harvey Houston Extremes, Normals and Annual Summaries NORMALS (based on the 30 year period 1991-2020). There are 90.0 rainy days annually in Houston, which is rainier than most places in Texas. NWS -College Station Seattle gets its reputation as being the rainiest city due to the number of days with precipitation. Jay Lawrimore. Houston has excessive ozone levels and is ranked among the most ozone-polluted cities in the United States. The American Council on Science and Health is a research and education organization operating under Section 501(c)(3) of the Internal Revenue Code. Seven major hurricanes have hit the Galveston and Houston areas in the past 100 years. CERTIFIED (official) climate data is available from the National Centers for Environmental Information (NCEI). January Climate & Weather Averages in Austin. -Brazos River Authority, CLIMATE -Local -Lake Charles -Publications/Brochures The first chart below depicts the wettest cities ranked by total precipitation: At 37.7 inches of precipitation annually, Seattle ranks 32nd among the nation's 50 largest cities. Hurricane Harvey made landfall in Rockport, Texas, very early on August 26, 2017. -Air Now -College Station -NOAA All NOAA. It has more days with rain than both New York City and Miami. While accumulating snow events are rare in Houston, brief snow flurries occur every winter in the greater Houston area. -Fire Unlike Dallas, Houston is not in Tornado Alley; however, smaller tornadoes can occur during severe weather. Sorry, the location you searched for was not found. -Education Houston, Texas, is considered to have a tropical climate, and its average annual rainfall reflects that. -Evacuation Planning [16] Most of these flood events result from remnants of Eastern Pacific cyclones interacting with upper-level boundaries; October 2015 was the latest example of such an occurrence, wherein the remnants of Hurricane Patricia brought over 9 inches of rain to the city. [52] Houston's air quality has often been compared to Los Angeles and Beijing.[48]. (The dry season is the summer, which lasts from roughly July to early October.). -Tides and Currents Believe it or not, there are cities with even more rainy (or snowy) days: Buffalo, Portland, Cleveland, and Pittsburgh. At the time of landfall, Carla was the most powerful tropical system to hit the Texas coast in over 40 years. Then there's information on how much rain actually landed during recent years, as well as how often Houston had wet weather. Supercell thunderstorms sometimes bring tornadoes to the area, most commonly during spring. 10. Well, the rain in Seattle is sort of like the mist in the grocery produce aisle. -Weather Prediction Center Berger, Eric; Latson, Jennifer; Leahy, Jennifer (December 10, 2008). -Weather Radio This year up to early October, there have been 18 weather/climate disaster events killing 538 people with losses exceeding $1 billion each in the U.S., according to NOAA. Total rainfall in 2017, the year of Hurricane Harvey at IAH in northern Houston, was 79.69; rainfall the month of the storm, August 2017, at IAH totaled 39.11. It is especially severe in low-lying areas on the far east end of town along the San Jacinto River. -NCDC/NCEI -Climatology for SE TX Please Contact Us. -Lower Colorado River Authority 6422 Lozano Dr. Houston, TX 77041 (346) 226-3884. -National Weather Service -Corpus Christi Averages are for San Antonio International Airport, which is 8 miles from San Antonio. -Worldwide The numbers here describe what the weather in Houston, Texas was like for every year since 2010. -Astronomical Info -National Dec 4.38. Snowfall In Houston, snow does not fall through November. Mean monthly maxima and minima (i.e. Houston/Galveston, TX1353 FM 646 Suite 202Dickinson, TX 77539281-337-5074Comments? -FloodAware -Satellite What Are Some Geographical Locations of Deserts? Home | Privacy & Cookies | Contact | About. . -Tropical Storm Imelda Annual Weather Averages Near Austin. -Our Office -Aviation -Worldwide -National -Climatology for SE TX -more, ADDITIONAL INFO -SKYWARN Schedule ANNUAL SUMMARY. Not even close. Area grocery stores were stripped bare and sold water and ice for cash by flashlight. Disclaimer. -HGX Teacher Resources -Education The average high in January, the coldest month, is 62.9F (17.2C) and the low 43.2F (6.2C). 10 miles. However, occasionally very heavy thunderstorms dump so much water on the city that widespread congestion and even property damage in low-lying areas result. Pressure: 30.06 "Hg. [49] Ground-level ozone, or smog, is Houston's predominant air pollution problem. The chance of damage from tropical storms and hurricanes also goes up during La Nia events, due to decreased Atlantic wind shear. These usually have no impacts on travel as they are light, brief and isolated. Information on Rainfall Frequency is published by the National Weather Service. -Climate Summaries Temperature Rising? -Education -Frequent Products [23] The Great Hurricane of 1900 destroyed the nearby (and then much bigger) city of Galveston, which is situated on a barrier island 50mi (80km) southeast of downtown Houston. [42][43] The city's Office of Emergency Management encourages driver's to "avoid driving unless absolutely necessary if roadways are at risk of icing. -Preparedness Meetings After World War II, air conditioning stimulated the growth of Houston, and was called the most air-conditioned city in the world in 1950.[14]. 55.6 in . Annual Weather Averages Near San Antonio. Contributions are fully tax-deductible. Rainfall The month with the least rainfall is February, when the rain falls for 13.1 days and typically collects 1.77" (45mm) of precipitation. Formerly, he was the founding editor of RealClearScience. [45] The ice storm that occurred on January 16, 2018 started as cold rain for several hours, before changing to a wintry mix and then eventually sleet and snow. National Weather Service Compared to other major cities in the United States, Houstons average rainfall is near the top. Metropolitan Transit Authority of Harris County, Texas, National Oceanic and Atmospheric Administration, "WMO Climate Normals for HOUSTON/INTERCONTINENTAL, TX 19611990". (NOTE: Through April 2021, departures from normal were based on the 1981-2010 normals. Area flooding was catastrophic and widespread. However, areas in the central or southern parts of the Houston metro area are consistently several degrees warmer on the coldest winter nights. -Beach Some of the most recent ice storms occurred in 1997, 2007, February4, 2011, and January 16, 2018. Temperatures started in the low-mid 30s and quickly dropped to the 20s in the afternoon, and before dipping into the teens by the evening/overnight hours, which caused all the rain to turn to ice, accumulating a thickness up to 1" on some roads, bridges, overpasses, making it one of the worst winter storms in the history of the state. [21], Houston has received less than 20 inches (510mm) of rain only once: 17.66inches in 1917. -Observations I'm a pluviophile. -Marine -Tides and Currents 3", "Houston Snow - Weather Research Center, February 5, 1998", Snow in Houston: It Happens More Than You Think, Remember When: Houston's huge snow storm of 1960, One Hundred Years of Southeast Texas Weather (1900-2000), https://www.khou.com/article/news/local/snow-vember-the-earliest-houston-snowfall-ever-just-happened/285-, "Average Weather for Houston, TX - Temperature and Precipitation", "Houston paralyzed by ice storm - Disaster News Network", "Drivers urged to stay home during Houston's icy mess", "Cold and icy, Texas and Louisiana deal with winter - CNN.com", State of the Air 2005, National and Regional Analysis, "City Mayors: The most polluted US cities", "Comparative Assessment of Air PollutionRelated Health Risks in Houston", "The paradox of peak-based ozone air pollution standards", Comparison with month average and actual temps, https://en.wikipedia.org/w/index.php?title=Climate_of_Houston&oldid=1142219941, Source: NOAA (relative humidity and dew point 19691990, sun 19611990). This led to Harvey being the 2nd costliest natural disaster of all time in the U.S. The NCEI is the source for any and all court certified weather documents! View over 750 USGS real-time stream, lake, reservoir, precipitation, and groundwater stations in context with current weather and hazard conditions on both desktop and mobile devices. Houston has an average annual rainfall of 53.34 inches. The previous record was 48 inches, also set in Texas . [10] On June 29, 2013, the temperature at George Bush Intercontinental Airport reached 107F (42C), the highest ever recorded in June. Notice that most of the cities with more rainfall are located east of the Mississippi River, as shown in the map below made by climatologist Brian Brettschneider. The city office remained in downtown Houston from 1881 through May 1969. 47.06. November 13, 2018 Broke Earliest Snowfall Record, This page was last edited on 1 March 2023, at 04:35.
