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Rainfall is the most common form of precipitation in Houston and is plentiful throughout the year. CERTIFIED (official) climate data is available from the National Centers for Environmental Information (NCEI). 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. -Brazos River Authority, CLIMATE -Miscellaneous Info [27] Never before had the city experienced such widespread or long-term power outage: no air conditioning, no refrigeration, no lights, and no phones. -Old Climate Page This is due to the fact that Houston has been the home for the oil and gas industry since its inception in the early 1900s, when there was little environmental regulation. -Activity Planner -Houston Hobby -Marine An interactive map of the Harris County Flood Control District. -Houston/Galveston -Spaceflight Meteorology Group By August 30, Houston was flooded, due to torrential rainfall from the hurricane.[28][29][30]. Winters in Houston are relatively mild, dry, and temperate compared to most areas of the United States. NOAA National Centers for Environmental Information. Annual Weather Averages Near San Antonio. Clear. Metropolitan Transit Authority of Harris County, Texas, National Oceanic and Atmospheric Administration, "WMO Climate Normals for HOUSTON/INTERCONTINENTAL, TX 19611990". It's Not Even in the Top 30 of Major U.S. Cities, The Next Plague and How Science Will Stop It. -Forecast Discussion Please select one of the following: -Galveston Beach Patrol (Flag Warning System), National Oceanic and Atmospheric Administration, Cotton Station (July 1881 - September 1909), Stewart Building at Preston and Fannin (September 1909 - February 1926), Shell Building at Texas and Fannin (March 1926 - August 1938), Federal Building at Franklin and Fannin (August 1938 - May 1969), Intercontinental Airport (June 1969 - Present). It is almost exactly even with cities like Atlanta, Birmingham, Boise, Chicago, Cleveland and Jacksonville; though it gets much less than some cities such as New Orleans. August is the hottest month in Houston with an average temperature of 29C (84F) and the coldest is January at 12C (54F) with the most daily sunshine hours at 11 in July. Area grocery stores were stripped bare and sold water and ice for cash by flashlight. [20] This rainfall prompts Houston's 10-month-long "growing season" to begin. In December, southward-moving cold fronts [19] can bring cold rain, low wind chills, and, rarely, frozen precipitation. February is the driest month with 81mm (3.2in) of precipitation. Rain This table gives the total precipitation that fell on Houston during each year from 2010. -National -Feed 2) In the first window, click Daily Summary Observations. -Evacuation Routes This means that Seattle has more frequent rain, but the light rain results in low totals. -River Forecast Centers In fact, Seattle doesn't even rank in the top 30 for precipitation among the nation's 50 largest cities. 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. Miami records. -Spaceflight Meteorology Group We raise our funds each year primarily from individuals and foundations. Rainfall rates, in inches per hour, are based on a storm of 1-hour duration and a 100-year return period. Harris County, where the bulk of the city has been historically located, is home to 15 Environmental Protection Agency Superfund sites, more than any other area in Texas. National Weather Service Autumn in Houston is warm, with temperatures averaging in the upper 60s to lower 80s F (20-28C) during the day and in the 40s to lower 60s F (10-17C) at night. Preliminary record: Harvey has passed the 50" measured single-storm rainfall record for the continental US. The wetter season lasts 4.1 months, from May 15 to September 18, with a greater than 31% chance of a given day being a wet day. -College Station Should You Worry About Artificial Sweeteners? -Houston/Galveston -Climatology for SE TX Houston Extremes, Normals and Annual Summaries NORMALS (based on the 30 year period 1991-2020). June through August in Houston is very hot and humid, often with scattered afternoon showers and thunderstorms. Four have done significant damage to Houston. Below is a list of locations and dates of the official observation site. Houston has a notorious reputation for major rainfall flooding events. -Astronomical Info High Temp: 68 F. Monthly averages Olympia Longitude: -122.901, Latitude: 47.0379 Average weather Olympia, WA - 98501. 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. Houston normally receives 49.77 inches (1,264mm) of precipitation on 104.0 days annually. -Climate Summaries -Major Events, RADAR -Education -more, PREPAREDNESS/SAFETY -Austin/San Antonio On the first day of February, sunrise is at 7:11 am and sunset at 5:58 pm. Between 1970 and 2018, Houston's mean annual rainfall jumped from 49 inches to near 57 at Hobby Airport. November 13, 2018 Broke Earliest Snowfall Record, This page was last edited on 1 March 2023, at 04:35. 2016. -Tropical Storm Imelda -Models The previous record was 48 inches, also set in Texas . Although the downtown office was the official observation site for almost eighty years, the office moved quite a few times around downtown Houston. -CoCoRaHS -Storm Data -Lower Colorado River Authority -National For question or additional information regarding this data, please contact Jimmy Fowlervia e-mail or telephone (281.337.5074). The sea breeze showers are also a contributor to the North American Monsoon. Houston. Climate Monitoring. Are "Low Dose" Health Effects of Chemicals Real? The American Council on Science and Health is a research and education organization operating under Section 501(c)(3) of the Internal Revenue Code. 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. -Lake Charles -Weather Radio Because Houston is on the Gulf of Mexico, the city has a high chance of being hit by hurricanes or tropical storms every hurricane season (June through November). -Lake Charles [1] The most precipitation to fall in one year was 83.02 inches (2,108.7mm) which occurred in 1979. -Worldwide -SKYWARN Schedule Please Contact Us. -StormReady -River Forecast Centers It has more days with rain than both New York City and Miami. Throughout the year, in Houston, there are 180.5 rainfall days, and 35.35" (898mm) of precipitation is accumulated. -College Station But Houston doesn't get as cold as 20 F (-8 C). -Careers The city office was located in downtown Houston and observations began in July 1881. -Find It Quick, Tropical [8] The highest temperature ever recorded at George Bush Intercontinental Airport was 109F (43C) on September 4, 2000[9] and on August 27, 2011. Houston now sees rainfall of roughly 2 inches more than we used to each year. Supercell thunderstorms sometimes bring tornadoes to the area, most commonly during spring. 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. 6422 Lozano Dr. Houston, TX 77041 (346) 226-3884. -Rainfall Reports Daylight In February, the average length of the day is 11h and 10min. -Tropical Storm Imelda There are usually a few days of freezing (32F (0C)) temperatures each year, though the average low in January, the coldest month, is still only 43F (6C) or 24F (4C). -Rainfall Reports Which is the driest month in Houston? Our weather forecast can give you a great sense of what weather to expect in Houston in November 2023. . As compared to other cities in Texas, Houston is very rainy. -Storm Prediction Center Weather.com brings you the most accurate monthly weather forecast for Houston, TX with average/record and high/low temperatures, precipitation and more. 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). Spring comes with a gradual warm up from winter, lasting from February through May. All NOAA. -Local -StormReady -Tides and Currents -Miscellaneous Info -Harris County Flood Warning System -2022 Hurricane Guide -Brazos River Authority, CLIMATE -more, PREPAREDNESS/SAFETY The storm completely overwhelmed the flood control system and caused 22 deaths in Houston and $6.05 billion (2006 USD) in damage. -Lower Colorado River Authority NOAA National Centers for Environmental Information. At George Bush Intercontinental Airport, the normal daily high temperature peaks at 95.0F (35.0C) on 512 August,[1] with a normal of 102.4 days per year at or above 90F (32C) and 3.5 days per year at or above 100F (38C). -Palacios Snowfall average snowfall in inches Seattle Houston Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 0 in 1 in 2 in 3 in BestPlaces.Net -Wind Roses, Education/Careers Not even close. -National Hurricane Center This ranked as the 37th wettest in history since 1895. Sleet and freezing rain are more common than snow in the Houston area. Even the Astrodome was air-conditioned, making baseball players and fans comfortable for decades. -Brazos River Authority, CLIMATE -Houston Hobby Helping Smokers Quit: The Science Behind Tobacco Harm Reduction, Foods Are Not Cigarettes: Why Tobacco Lawsuits Are Not a Model for Obesity Lawsuits, The Prevention and Treatment of Osteoporosis: A Review. Menu. -Publications/Brochures The list contains numerous companies, streets and waterways that have been considered hazardous to humans in various ways. (The dry season is the summer, which lasts from roughly July to early October.). National Weather Service -Evacuation Planning Podcast: What Everyone Got Wrong About Gas Stoves; Secondhand Weed Smoke Causes Asthma? -Aviation -Center Weather Service Units The climate data come from weather measurements made at the William P. Hobby Airport near downtown Houston. And rainfall was substantially lower. -Careers In order for precipitation to be counted you have to get at least .01 inches on the ground to measure. Really? -Twitter [15] Cool fronts that move through the region during the fall can bring rain. The area is drained by a network of bayous (small, slow-moving rivers, often dredged and enlarged to increase volume) and man-made drainage ditches, which are usually dry most of the year. 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. -Activity Planner 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. Monthly averages Houston Longitude: -95.3694, Latitude: 29.7602 Average weather Houston, TX - 77002. 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. [11] Heat stroke can strike people who stay outdoors for long periods of time during the summer, making hydration essential for outdoor work and recreational activity. The 30 year averages are shown just below the current year's rainfall, tan background. "Houston IAH Extremes, Normals, and Annual Summaries", http://www.srh.noaa.gov/lch/research/txearly19hur.php, Remembering the Great Hurricane, September 8, 1900, Tropical Storm Allison Floods June 5-9, 2001, "CenterPoint says power restored to 262,000", "Hurricane Harvey makes landfall in Texas", "Storm Summary Number 17 for Tropical Storm Harvey", National Centers for Environmental Prediction, "KTRK coverage of the aftermath of the November 1992 tornado outbreak", "Houston's top five weather events since 1992: No. -Tropical Dew Point: 43 F. The temperature dips to freezing or below on an average of 4 nights a year. Houston Intercontinental Temperature and Precipitation Climate Graphs Climate data on this page is PRELIMINARY (unofficial). -Old Climate Page Houston has introduced many programs since the 2000 federal order to reduce air pollution in the city. Which is the sunniest month in Houston? -Tides and Currents Now check this: The differences in dampness are often vast. The 2004 Christmas Eve snowstorm brought a never-before-seen white Christmas to the region. -Climatology for SE TX -Weather Prediction Center Please note that not all products are available for all dates and time periods. The chance of wet days at George Bush Intercontinental Airport varies throughout the year. Houston County: 312922095080701: Rain Gage nr Kennard, TX : 03/03 14:15 CST : 0 : 0 : 0.93 : 1.00 : Hudspeth County: 08407580: Unm Trib No. -Weather History Cataclysmic Drought: When The Dead Sea Was Deader, Building Trust: How the Church Can Encourage COVID Vaccines, Journalists Regurgitate 'The Monsanto Papers', No, COVID mRNA Vaccine Won't Cause Alzheimer's or Prion Disease, Putting the East Palestine Train Accident in Perspective, The Newest, Best COVID Treatment Could Be the One You Cant Get, Every Picture Tells a Story: Surgical Attire Edition, Podcast: 'Peer-Reviewed' Science Ain't So Scientific; Alcohol and Cancer Risk In Context, No, Homeopathic 'Remedies' and OTC Drugs Don't Belong on the Same Shelf, Podcast: Solving America's Drug Shortage; Biden's Bioeconomy Plan A Bureaucratic Mess. -Wind Roses, Education/Careers -Aviation Weather Center 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. -Historical Tracks Snowfall In Houston, snow does not fall through November. Sorry, the location you searched for was not found. [7] The value of relative humidity results in a heat index higher than the actual temperature. Miami is another southern location that receives significantly more rain than Seattle, but in fewer days. -Storm Prediction Center The wet season lasts from April/May to September/October, the dry season lasts from November/December to March/April. There are 90.0 rainy days annually in Houston, which is rainier than most places in Texas. -Galveston Beach Patrol (Flag Warning System), FORECASTS I'm a pluviophile. -Astronomical Info -Web Weather for Kids (PWSs) in the Houston area had received 84-hour rainfall totals . Official records for Houston were kept at the Weather Bureau in downtown from July 1888 to May 1969, and at Intercontinental since June 1969. US Dept of Commerce -Evacuation Planning -more, ADDITIONAL INFO 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. Wind: 5 mph. [50] A 2007 assessment found the following twelve air pollutants to be definite risks to health in Houston:[51], The State of Texas concluded that, since 2000, the Manchester neighborhood in eastern Houston had the highest annual averages of 1,3-butadiene of any area in Texas. -Tropical