The coldest month is January with an average maximum temperature of 18C (64F). -Climatology for SE TX National Oceanic and Atmospheric Administration -Storm Data The annual rainfall of 53.0 inches in Houston means that it is one of the wettest places in Texas. US Dept of Commerce [1] Cold fronts during the winter can bring nighttime lows that drop into the 30s but usually remain above freezing. The sea breeze showers are also a contributor to the North American Monsoon. Teflon and Human Health: Do the Charges Stick? The temperatures in Houston in November are comfortable with low of 14 C and and high up to 21 C.. You can expect about 3 to 8 days of rain in Houston during the month of November. During El Nio events, Houston winters are cooler and wetter than normal due to a stronger southern jet stream, which can increase the length of the normal wet season in Houston. Temperature Rising? 47.06. Most of the city was without power for 23 days some for 2 to 3 weeks. We raise our funds each year primarily from individuals and foundations. -Feed All NOAA, CURRENT HAZARDS -Palacios -Education I'm a pluviophile. On the coldest nights of the month, the temperature usually drops to around -1 C (30 F). C urrent R esults. December 22, 1989: 1.7 inches (4.3cm) of snow with a record low of 7F (14C) on December 23. Houston bests many major cities like Albuquerque, El Paso, Las Vegas, Phoenix and Reno, which all average under 10 inches per year. -Observations -College Station [54] The Port of Houston has not seen any major cleaning attempts. -River Forecast Centers 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. -Local Data/Records -Storm Prediction Center Throughout the year, in Houston, there are 180.5 rainfall days, and 35.35" (898mm) of precipitation is accumulated. January 11, 1973: 2.0 inches (5.1cm) of snow. Home | Privacy & Cookies | Contact | About. -Weather Ready Nation For the purpose of storm drainage design, the following frequencies are applicable: 1. (NOTE: Through April 2021, departures from normal were based on the 1981-2010 normals. The annual precipitation totals are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information. Daylight In February, the average length of the day is 11h and 10min. -CoCoRaHS -Old Climate Page -Galveston -more, SocialMedia -Forecast Discussion -Wind Roses, Education/Careers (The dry season is the summer, which lasts from roughly July to early October.). -Beach The count of days includes those when precipitation amounts to 0.01 inches (0.25 millimetres) or more. Daylight Climate information about yearly temperature, precipitation, sun, humidity, wind and storms. Authorities prohibited non-emergency access to the island for many weeks. NWS Devastated Galveston Island much resembled a war zone. -Evacuation Planning Daylight -Weather Prediction Center The map above shows a satellite-based estimate of rainfall over Texas on April 15-18, 2016. Houston may be considered the air-conditioning capital of the world due to its hot and humid metropolitan. 7-hour rain and snow forecast for Houston, TX with 24-hour rain accumulation, radar and satellite maps of precipitation by Weather Underground. Area flooding was catastrophic and widespread. It's Not Even in the Top 30 of Major U.S. Cities, The Next Plague and How Science Will Stop It. Another similar storm in April 2016 resulted in widespread, severe flooding across Houston and surrounding suburbs in an event later known as the "Tax Day Floods". -Lower Colorado River Authority Since the 1930s, air-conditioning was built into all commercial buildings like theaters, malls, and corporations. . -Historical Tracks -Local Which is the sunniest month in Houston? The average temperature is of 13.0 C (55 F), with a minimum of 7.6 C (45.6 F) and a maximum of 18.5 C (65.3 F). -Center Weather Service Units -Local Page. -Our Office Houston has an average annual rainfall of 53.34 inches. The previous record was 48 inches, also set in Texas . -Observations -National Hurricane Center US Dept of Commerce -Worldwide [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. In 2018, the average annual rainfall in the U.S. was 34.63 inches, 4.6 inches over the long-term average. Areas south of Interstate 10 can have entire winters without a freeze. -Twitter Information on Rainfall Frequency is published by the National Weather Service. Trucks from around the country brought in emergency supplies, especially water and ice. 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. This might flood certain low-lying intersections, but doesn't generally affect citizens or the business of the city. Mean Temp: 53 F. By this metric, Seattle and Buffalo are tied for #1, while Portland and Pittsburgh are tied for #2. [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]. -Education National Weather Service The 30 year averages are shown just below the current year's rainfall, tan background. How many days does it rain in Houston? The official observation site has been located at Intercontinental Airport ever since. The chance of damage from tropical storms and hurricanes also goes up during La Nia events, due to decreased Atlantic wind shear. -2022 Hurricane Guide The rainiest season is Autumn when it rains 28% of the time and the driest is Summer with only a 22% chance of a rainy day. -StormReady [13] Because of the high temperatures that persist in the months of April through October, most indoor workers in Houston spend the hottest part of the day in an air-conditioned environment. -Tropical Storm Imelda Post. . Weather Highlights Summer High: the July high is around 92 degrees Winter Low: the January low is 40 Rain: averages 63 inches of rain a year Mean annual precipitation from 1971 to 2000 as measured from one weather station in each county, typically at the county seat. Houston has had a troubled past with pollution of many types. The light rail system was designed to encourage Houstonians to utilize public transportation instead of their automobiles. 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. -Activity Planner The city office remained in downtown Houston from 1881 through May 1969. -Publications/Brochures -Satellite Find out how to read the year to date and temperature/precip plots. -Space Weather Prediction Center, CURRENT WEATHER This led to Harvey being the 2nd costliest natural disaster of all time in the U.S. Multiple locations were found. -Evacuation Routes On average, rain rates will be 1-2 per hour, which could lead to standing water on roads where the heaviest rain hits. Many cities not associated with showers in America's . In Houston, during the entire year, the rain falls for 180.5 days and collects up to 35.35" (898mm) of precipitation. -National Weather Service When does it snow in Houston? Formerly, he was the founding editor of RealClearScience. Tropical Storm Allison dumped up to 37 inches (940mm) of rain on parts of the city over a five-day period in 2001, and was the most destructive and costly natural disaster in Houston history[26] prior to Hurricane Harvey. Given Seattle's rainy reputation, it must be one of the wettest cities in America, right? University of Pittsburgh Press, 2007. As compared to other cities in Texas, Houston is very rainy. -Astronomical Info They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. The daily range of reported temperatures (gray bars) and 24-hour highs (red ticks) and lows (blue ticks), placed over the daily average high (faint red line) and low (faint blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. -Frequent Products -Careers -National The rainiest season is Autumn when it rains 28% of the time and the driest is Summer with only a 22% chance of a rainy day. 1 Univ Draw nr . The climate data come from weather measurements made at the William P. Hobby Airport near downtown Houston. The industries located along the ship channel,[48] coupled with a growing population, have caused a considerable increase in air pollution for the city each year. Precipitation is rain, snow, sleet, or hail that falls to the ground. Low Temp: 41 F. -Old Climate Page Station Data. High Temp: 64 F. The coldest temperature ever recorded at George Bush Intercontinental Airport was 7F (14C) on December 23, 1989. Global Summary of the Year, Version 1.0. Disclaimer. What Are Some Geographical Locations of Deserts? Climatologist Brian Brettschneider also made what he called the "Dreariness Index," which factors in total precipitation, the number of wet days, and cloudiness. -Weather Radio 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. All NOAA, You are at NWS Houston/Galveston SE TX Climate Houston Intercontinental Climate Climate Graphs - IAH, CURRENT HAZARDS The Houston Fire Department reported 72 rescue operations. The normal annual precipitation measures 49.77 inches (1,264mm). Houston/Galveston, TX1353 FM 646 Suite 202Dickinson, TX 77539281-337-5074Comments? Should You Worry About Artificial Sweeteners? Apparently, those cities are just about as dreary as Seattle. National Weather Service Please try another search. The strongest recorded tornado in Houston history was an F4 on November 21, 1992, part of a large outbreak of tornadoes in Harris County.[31]. Snowfall In Houston, snow does not fall in February through November. -River Forecast Centers The number of days with precipitation counts the days when rainfall amounted to 0.01 inches (0.3 millimeters) or more. Questions? Now check this: The differences in dampness are often vast. Track flooding, rainfall totals and weather forecast for the Houston, Texas area from KPRC 2 and Click2Houston.com. "[44] Typically, such ice storms affect mainly the northern/western areas of the metro, while the southern/eastern areas are left with just cold rain.