-Old Climate Page Rainfall is the most common form of precipitation in Houston and is plentiful throughout the year. of snow in the 1980s on average than any other decade recorded, but the 2000s also witnessed more frequent and record-breaking snows. That hurricane weakened to a tropical storm by the time it reached Houston. -CoCoRaHS High Temp: 64 F. . 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). -National Weather Service Disclaimer. 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. -River Forecast Centers The wettest month is June, with an average of 5.93 inches (151mm) of rain. Post-El Nio weather during the spring usually result in increased rainfall, as demonstrated during the Memorial Day 2015 and Tax Day/Memorial Day/early June 2016 flood events, where the Houston Metro area (and the rest of the state) experienced a climate similar to the South Asian summer monsoon (in this case, a stalled low-pressure systemusually from an upper-level low from the northeast Pacific Ocean, migrates east, where the northern polar jet stream form the usual omega blocksoriginates over the Four Corners region or the Sierra Madre Occidental/Sierra Madre Oriental mountain ranges in northern Mexico). -Astronomical Info -Granger (Central Texas) 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. 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. All NOAA, CURRENT HAZARDS Houston has introduced many programs since the 2000 federal order to reduce air pollution in the city. [41] When ice occurs, roads and schools are usually closed. CURRENT HAZARDS -Facebook Joe', A Conversation Between ACSH and Great.com. Precipitation: 0.85" Humidity: 63%. Throughout the year, in Houston, there are 180.5 rainfall days, and 35.35" (898mm) of precipitation is accumulated. The rainfall rates shown in the appendix are derived from Figure 1106.1. -Storm Data Mean monthly maxima and minima (i.e. Please Contact Us. -Frequent Products In Houston, the average yearly rainfall increased by about 2 inches. Averages are for San Antonio International Airport, which is 8 miles from San Antonio. 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. 2. Number of rainy days is based on at least 0.01 inches of precipitation. 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. -Storm Data Given Seattle's rainy reputation, it must be one of the wettest cities in America, right? -Web Weather for Kids Though rainfall comes fairly evenly throughout the months of the year, June is Houstons rainiest month, with an average of 6.25 inches. -Evacuation ZipZone Show average precipitation in Houston in Inches A lot of rain (rainy season) falls in the months: April, May, June, August, September and October. However during El Nino or La Nina years the wet and dry season can often either last longer than usual or be delayed. It has more days with rain than both New York City and Miami. 47.06. -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. -Harris County Flood Warning System 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. -Houston/Galveston Houston now sees rainfall of roughly 2 inches more than we used to each year. -Careers 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. -Historical Tracks It's Not Even in the Top 30 of Major U.S. Cities, The Next Plague and How Science Will Stop It. 10. National Weather Service [6] Summer temperatures in Houston are very similar to average temperatures seen in tropical climates, such as in the Philippines and the lower elevations of Central America. Hail can accumulate but only in small quantities. -NCDC/NCEI December 7, 2017: 0.7 inches (2cm) of snow. Global Summary of the Year, Version 1.0. -College Station -Climate Summaries January 11, 1973: 2.0 inches (5.1cm) of snow. December 22, 1989: 1.7 inches (4.3cm) of snow with a record low of 7F (14C) on December 23. -Lower Colorado River Authority FFC RSS Feed -Wind Roses, Education/Careers [1] Cold fronts during the winter can bring nighttime lows that drop into the 30s but usually remain above freezing. Low Temp: 45 F. How many days does it rain in Houston? -National National Oceanic and Atmospheric Administration Daylight In February, the average length of the day is 11h and 10min. 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. Now check this: The differences in dampness are often vast. -Old Climate Page -Feed In Austin, for example, 100-year rainfall amounts for 24 hours increased as much as three inches up to 13 inches. -Feed 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. The normal annual precipitation measures 49.77 inches (1,264mm). When it does occur, it usually melts immediately on the ground with light accumulation on roofs and raised surfaces. [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. -National Weather Service It rarely rains hard; instead, it has a (seemingly) never-ending drizzle that keeps the city wet almost all-year round. Generally we expect the highest totals south and east of Houston, but. Houston sometimes experiences tropical cyclones during the Atlantic hurricane season, which can bring heavy rain and significant damage to the city. Mean Temp: 57 F. -Aviation Weather Center February is the driest month with 81mm (3.2in) of precipitation. August normally ranks as the warmest month at 84.6F (29.2C) and January the coldest month at 53.1F (11.7C).[1]. -HGX Teacher Resources Snowfall In Houston, snow does not fall through November. [10] On June 29, 2013, the temperature at George Bush Intercontinental Airport reached 107F (42C), the highest ever recorded in June. -Major Events, RADAR -YouTube 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). 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. -FloodAware -Houston Hobby Snowfall average snowfall in inches Houston Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 0 in BestPlaces.Net The last recorded snowfall in Houston was on February 15, 2021. Reference Jay Lawrimore. More information & alert signup. -Local Page. In October, the average high-temperature slightly decreases from a tropical 88.3F (31.3C) in September to a warm 81F (27.2C). Regrettably, weather records prior to 1889 are not available. -National Weather Service Which Drugs Really Help with Motion Sickness? Are "Low Dose" Health Effects of Chemicals Real? -Harris County Flood Warning System Houston/Galveston, TX1353 FM 646 Suite 202Dickinson, TX 77539281-337-5074Comments? Dew Point: 43 F. -Corpus Christi The city office was located in downtown Houston and observations began in July 1881. Formerly, he was the founding editor of RealClearScience. Disclaimer: Please note that the data provided here is considered "unofficial". All NOAA, You are at NWS Houston/Galveston SE TX Climate Houston Intercontinental Climate Climate Graphs - IAH, CURRENT HAZARDS 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. Based on annual weather averages for Houston, the best month to go for holiday is March and May. -College Station March sees the return of many types of insects, including butterflies and mosquitoes, to Houston's warm climate. -Brazos River Authority, CLIMATE That's followed by how many really hot and cold days occurred each year. 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. -StormReady Precipitation is rain, snow, sleet, or hail that falls to the ground. 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]. -Frequent Products Daylight Get the monthly weather forecast for Houston, TX, including daily high/low, historical averages, to help you plan ahead. Please Contact Us. -Severe Stats 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. ACSH does not have an endowment. -Education Would biotech have helped? 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. Houston has an average annual rainfall of 53.34 inches. 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. [24] The periphery of Hurricane Carla hit the city in 1961, causing major damage to Houston. -Weather Radio -Palacios Precipitation: 0.72" Humidity: 64%. Houston, United States of America Weather Averages. The official observation site for the city of Houston was moved quite a few times during its long history. Berger, Eric; Latson, Jennifer; Leahy, Jennifer (December 10, 2008). Houston/Galveston, TX1353 FM 646 Suite 202Dickinson, TX 77539281-337-5074Comments? The month with the most wet days at George Bush Intercontinental Airport is June, with . Hurricanes can move into the area from the Gulf of Mexico, bringing heavy rains and high winds. Sorry, the location you searched for was not found. A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. Well, the rain in Seattle is sort of like the mist in the grocery produce aisle. [47], Houston is well known for its oil and petrochemical industries, which are leading contributors to the city's economy. "It was a pretty substantial. "[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. -Air Now November is by far the wettest month, with some 67 millimeters recorded on average, while the summer months see only up to 15 millimeters. -YouTube In late August 2017, Hurricane Harvey flooded Houston, causing severe widespread damage and at least 14 deaths. Houston, Texas, is considered to have a tropical climate, and its average annual rainfall reflects that. Houston normally receives 49.77 inches (1,264mm) of precipitation on 104.0 days annually. the highest and lowest temperature readings during an entire month or year) calculated based on data at said location from 1991 to 2020. -Weather Ready Nation -Tropical -Publications/Brochures Really? The individual Weather Service Offices in the field cannot provide court certified weather documents. -Public Information Statement Traditional Holiday Dinner Replete with Natural Carcinogens - Even Organic Thanksgiving Dinners, A Primer On Dental Care: Quality and Quackery, Nuclear Energy and Health And the Benefits of Low-Dose Radiation Hormesis, Priorities in Caring for Your Children: A Primer for Parents, Endocrine Disrupters: A Scientific Perspective, Good Stories, Bad Science: A Guide for Journalists to the Health Claims of "Consumer Activist" Groups, A Comparison of the Health Effects of Alcohol Consumption and Tobacco Use in America, Massive California Rains Also Deliver Drought-Ending Hopes, 'Code Blue' Urgency Not Just For Hospitals. Averages are for Camp Mabry / Austin City, which is 4 miles from Austin. NOAA National Centers for Environmental Information. -FAQ, Rivers/Lakes/Bayous Find out how to read the year to date and temperature/precip plots. Believe it or not, there are cities with even more rainy (or snowy) days: Buffalo, Portland, Cleveland, and Pittsburgh. Foundation Support Specialists. Average monthly snow and rainfall in Houston (Texas) in millimeter This is the mean monthly precipitation over the year, including rain, snow, hail etc. A total of 9 inches (230mm) of rain fell elsewhere than George Bush Intercontinental Airport on August 16, and many roads and neighborhoods were flooded. -Public Information Statement Analysis of the Parameter Regression of Independent Slopes . Area flooding was catastrophic and widespread. Houston has a notorious reputation for major rainfall flooding events. Should You Worry About Artificial Flavors Or Colors? 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). June is the wettest month in Houston with 6.2 inches of rain, and the driest month is February with 3.2 inches. -Drought, History The climate data come from weather measurements made at the William P. Hobby Airport near downtown Houston. Copyright 2023 Current Results Publishing Ltd. -Major Events, RADAR Mean annual precipitation from 1971 to 2000 as measured from one weather station in each county, typically at the county seat. The chance of damage from tropical storms and hurricanes also goes up during La Nia events, due to decreased Atlantic wind shear. US Dept of Commerce Trucks from around the country brought in emergency supplies, especially water and ice. However, areas in the central or southern parts of the Houston metro area are consistently several degrees warmer on the coldest winter nights. The number of days with precipitation counts the days when rainfall amounted to 0.01 inches (0.3 millimeters) or more. Please select one of the following: -Galveston Beach Patrol (Flag Warning System), National Oceanic and Atmospheric Administration. Houston Intercontinental Temperature and Precipitation Climate Graphs Climate data on this page is PRELIMINARY (unofficial).