Flooding most frequently occurs in October and November, which is the end of the Southeast Texas wet season. -CoCoRaHS -Hurricane Harvey Harvey broke a national rainfall record for a single tropical storm -Our Office -Fire -SKYWARN Schedule -Education The city office was located in downtown Houston and observations began in July 1881. -Air Now Portland didn't surprise me. [1] The average relative humidity ranges from over 90 percent in the morning to around 60 percent in the afternoon. They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. The normal annual precipitation measures 49.77 inches (1,264 mm). Which is the driest month in Houston? The city office remained in downtown Houston from 1881 through May 1969. 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]. US Dept of Commerce *Station was down for maintenance. Dec 4.38. Precipitation is rain, snow, sleet, or hail that falls to the ground. High Temp: 64 F. -Find It Quick, Tropical The month with the most wet days at George Bush Intercontinental Airport is June, with . February is the driest month with 81mm (3.2in) of precipitation. -Climatology for SE TX -Severe Stats -River Forecast Centers A rainy day at Irwin's (Credit: Alex Berezow), How Rainy Is Seattle? -National Weather Service The 2004 Christmas Eve snowstorm brought a never-before-seen white Christmas to the region. December 7, 2017: 0.7 inches (2cm) of snow. -Local June through August in Houston is very hot and humid, often with scattered afternoon showers and thunderstorms. Houston winters are, on average, colder than South Florida and Southern California, on par with southern Louisiana and Central Florida, but slightly warmer than Dallas, Atlanta, San Antonio, Austin, and other inland southern cities. Average annual snowfall is barely above zero, being less than the measurable amount of 0.1 inches (2.5mm). 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 2016. -River Forecast Centers The city office remained in downtown Houston from 1881 through May 1969. -Evacuation Planning Increased clouds during El-Nio winters are what keep the temperatures from warming up. -National Weather Service PDF City of Houston Design Manual Chapter 9 STORMWATER DESIGN REQUIREMENTS [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. During La Nia events, the jet stream shifts further north, resulting in a warmer and drier winter. -Major Events, RADAR old Monthly Rainfall (1968-2021) | Weather - Texas A&M University -National Hurricane Center Appendix B provides a list of major cities in the U.S. along with the 1-hour duration, 100-year occurrence rainfall rate. -Astronomical Info Houston weather in November 2023 | Houston 14 day weather Climate & Weather Averages in Houston, Texas, USA - Time and Date Yet Buffalo ranks 30th in the total precipitation it receives annually, with 40.7 inches (1033 millimetres). Energy Metropolis an Environmental History of Houston and the Gulf Coast. Number of rainy days is based on at least 0.01 inches of precipitation. Rainfall is the most common form of precipitation in Houston and is plentiful throughout the year. -Rainfall Reports Houston/Galveston, TX1353 FM 646 Suite 202Dickinson, TX 77539281-337-5074Comments? John F. Kerry, US Special Presidential Envoy for Climate, to Address Pressure: 30.15 "Hg. Metropolitan Transit Authority of Harris County, Texas, halted its light rail and bus services in view of the effects. Wind: 7 mph. -Careers -Storm Prediction Center The NCEI is the source for any and all court certified weather documents! -Twitter Flooding is a recurring problem in Houston, this is on par with the fact that the city is on a flood plain and has a rainy season. -Activity Planner -Weather Radio It's a good idea to bring along your umbrella so that you don't get caught in poor weather. 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). -Frequent Products [46], Houston's environmental problems stem from a long history of pollution. It was the only tropical storm in history to have its name retired until Tropical Storm Erika in Dominica in 2015. 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. Then there's information on how much rain actually landed during recent years, as well as how often Houston had wet weather. How Rainy Is Seattle? It's Not Even in the Top 30 of Major U.S. Cities In late August 2017, Hurricane Harvey flooded Houston, causing severe widespread damage and at least 14 deaths. -Galveston Beach Patrol (Flag Warning System), FORECASTS C urrent R esults. 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]. (Weather station: Houston Hobby Airport, USA). Houston. Storm surge affected areas around Galveston Bay, stripping some coastal islands of homes. [49] Ground-level ozone, or smog, is Houston's predominant air pollution problem. -Aviation Please try another search. -Forecast Discussion 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. Between 1970 and 2018, Houston's mean annual rainfall jumped from 49 inches to near 57 at Hobby Airport. -Historical Tracks -Publications/Brochures Questions? For the purpose of storm drainage design, the following frequencies are applicable: 1. Hurricane Ike left ninety percent of people in the Houston Area without power. [54] The Port of Houston has not seen any major cleaning attempts. (I bought two of them and thought they were pretty cool until the water turned yellow.). Though rainfall comes fairly evenly throughout the months of the year, June is Houston's rainiest month, with an average of. The map above shows a satellite-based estimate of rainfall over Texas on April 15-18, 2016. Miami is another southern location that receives significantly more rain than Seattle, but in fewer days. -Web Weather for Kids Enough Already! -Frequent Products Seven major hurricanes have hit the Galveston and Houston areas in the past 100 years. Monthly averages Olympia Longitude: -122.901, Latitude: 47.0379 Average weather Olympia, WA - 98501. December 22, 1989: 1.7 inches (4.3cm) of snow with a record low of 7F (14C) on December 23. -National Weather Service -Web Weather for Kids -Our Office 2023 Compare Climate & Weather: Seattle, WA vs Houston, TX Averages are for Camp Mabry / Austin City, which is 4 miles from Austin. -NCDC/NCEI That's followed by how many really hot and cold days occurred each year. 55.6 in . Which Drugs Really Help with Motion Sickness? Seattle's Rainy Reputation Is Well-Deserved - The Weather Channel Mysterious Case of Diver Who Stabbed Himself. 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. -Weather Prediction Center Wrong. [1] The most precipitation to fall in one year was 83.02 inches (2,108.7mm) which occurred in 1979. Given Seattle's rainy reputation, it must be one of the wettest cities in America, right? Annual precipitation averaged across the Midwest was 37.72 inches (958 mm), 0.78 inches (20 mm) above normal. weather and science facts . -Find It Quick, Tropical Another storm happened in June 2015 (Tropical Storm Bill) that had a similar impact on Houston, causing several highways to be closed due to the bayou overflowing; this event followed flooding from May 2426. -Granger (Central Texas) Four have done significant damage to Houston. Hurricane Harvey made landfall in Rockport, Texas, very early on August 26, 2017. [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. 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. Formerly, he was the founding editor of RealClearScience. -Lake Charles -Marine -Forecast Discussion Please Contact Us. Hurricanes can move into the area from the Gulf of Mexico, bringing heavy rains and high winds. [7] The value of relative humidity results in a heat index higher than the actual temperature. Area grocery stores were stripped bare and sold water and ice for cash by flashlight. Annual Weather Averages Near San Antonio. Houston Temperature History 2021. Global Summary of the Year, Version 1.0. Melosi, Martin V., and Joseph A. Pratt. Climate & Weather Averages in San Antonio, Texas, USA - Time and Date Houston has excessive ozone levels and is ranked among the most ozone-polluted cities in the United States. -FloodAware Should You Worry About Artificial Flavors Or Colors? -Austin/San Antonio 100-year estimates around Houston increased from 13 inches to 18 inches and values previously classified as 100-year events are now much more frequent 25-year events. Hard freezes are not uncommon in North Houston; George Bush Intercontinental Airport has recorded at least one freeze every winter since it opened in 1969. Winters in Houston are relatively mild, dry, and temperate compared to most areas of the United States. Dew Point: 39 F. -Our Office The individual Weather Service Offices in the field cannot provide court certified weather documents. The annual rainfall of 38.2 inches in Chicago means that it is drier than most places in Illinois. Hours of Operation. -Major Events, RADAR -YouTube Precipitation: 0.72" Humidity: 64%. The annual precipitation totals are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information. Please select one of the following: -Galveston Beach Patrol (Flag Warning System), National Oceanic and Atmospheric Administration. Contributions are fully tax-deductible. 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. 2. -Tropical [41] When ice occurs, roads and schools are usually closed. -Houston Hobby DC's cherry blossoms coming early due to confusing weather Houston has an average annual rainfall of 53.34 inches. Areas south of Interstate 10 can have entire winters without a freeze. 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. Disclaimer. "Heat watch: Houston ties all-time record high". Supercell thunderstorms sometimes bring tornadoes to the area, most commonly during spring. Galveston was significantly warmer compared to the previous iteration of normal, especially at night. December 10, 2008: Tied the earliest accumulating snowfall record. -Lower Colorado River Authority The temperature dips to freezing or below on an average of 4 nights a year. 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. 2023 2022 2021 2020 2019 2018 2017 2016 2015 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. -Space Weather Prediction Center, CURRENT WEATHER the highest and lowest temperature readings during an entire month or year) calculated based on data at said location from 1991 to 2020. Yearly Average. December Weather forecast - Winter forecast - Houston, TX

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