color: #1763AB;
Click on each chart for more information. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. NOAA National Centers for Environmental Information. Following the holidays, these months are typically slower for tourist season and can be a great time of year to visit some of the most popular attractions and avoid the crowds. Daily Rainfall Map June weather forecast. In San Antonio, the chance of a wet day over the course of the summer is decreasing, starting the season at 30% and ending it at 24%. All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. Severe Weather and Heavy Rain Today/Tonight, Local KEWX Standard Radar (low bandwidth), Local KGRK Standard Radar (low bandwidth), Local KDFX Standard Radar (low bandwidth), National Oceanic and Atmospheric Administration. The month with the highest relative humidity is May (73%).
Ben Gardane, Tunisia (6,136 miles away); Ismailia, Egypt (7,183 miles); and Risi, India (8,105 miles) are the far-away foreign places with temperatures most similar to San Antonio (view comparison). National Weather The estimated value at San Antonio is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between San Antonio and a given station. } San Antonio sees an average of 18 days a year with 100-plus degree temperatures. Calendar. The month with the lowest relative humidity is August (59%).
The muggier period of the year lasts for 6.7 months, from April 9 to October 31, during which time the comfort level is muggy, oppressive, or miserable at least 24% of the time.
The beach/pool score favors clear, rainless days with perceived temperatures between 75F and 90F. Spring is a lovely time to visit south Texas, and early spring (starting even as soon as February) ushers in the bloom of Texas wildflowers throughout San Antonios parks and along the highways.
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
RSWeather. You're permitted to use this graph as long as you provide prominent attribution with a link back close to the use of the graph. US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Austin/San Antonio, TX 2090 Airport Road New Braunfels, TX 78130 Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Past Events San Antonio is one of the most flood-prone areas of North America, according to the San Antonio River Authority and is part of an area that is termed flash flood alley. Exercise caution when visiting during the rainy spring monthsand never attempt to drive through low water crossings by heeding the National Weather Services caution: Turn around, dont drown.. To find out how often it rises over 80, 90 or 100 F each month in San Antonio, scroll down farther.
Here are the average temperatures. National Weather
Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. Navigate backward to interact with the calendar and select a date. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data. Global Summary of the Month and Year, Version 1.0. The figure below presents a compact representation of key lunar data for 2023. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. Visitors National Oceanic and Atmospheric Administration The predominant average hourly wind direction in San Antonio varies throughout the year. Severe Weather There are also counts of nights with warm temperatures and days with cold weather. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data. Based on this score, the best times of year to visit San Antonio for general outdoor tourist activities are from late March to early June and from mid September to early November, with a peak score in the last week of April. color: #1763AB; The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands. The month with the lowest average high temperature is January (61.7F). There are plenty of air-conditioned museums and other attractions, plus waterparks in the area where you can keep cool. } For the purposes of this report, the geographical coordinates of San Antonio are 29.424 deg latitude, -98.494 deg longitude, and 636 ft elevation. Multiple locations were found. 2016. Over the course of the summer in San Antonio, the length of the day is rapidly decreasing.
Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. /* unvisited link */ Ocean Prediction The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest). The summers can be sweltering, however, with heat and humidity on the rise from June through September. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon. The average sliding 31-day rainfall during the summer in San Antonio is rapidly decreasing, starting the season at 3.5 inches, when it rarely exceeds 7.7 inches or falls below 0.6 inches, and ending the season at 2.4 inches, when it rarely exceeds 5.6 inches or falls below 0.4 inches. The city also receives an average of 32 inches of rain per year, so it is not uncommon for San Antonio to be hit with thunderstorms and rain showers throughout the year. Record Tables Follow this guide to pack like a pro and ensure airport security is a breeze. We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader. Within 50 miles contains significant variations in elevation (1,831 feet). Location Help. Tropical Weather Based on weather reports collected during 1985-2015. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages. Please Contact Us. Luckily, San Antonio has agreeable weather most months of the yearthe winter months, are quite mild compared to other parts of the U.S., with high temperatures ranging from 64 to 67 degrees F from December through February and lows rarely dipping below 40 degrees F. 1 Over the course of the year, the temperature typically varies from 43F to 96F and is rarely below 31F or above 101F. We use cookies on this site to improve your experience as explained in our Cookie Policy. Daylight saving time is observed in San Antonio during 2023, but it neither starts nor ends during the summer, so the entire season is in daylight saving time. Routine Heat Safety The driest month (with the least rainfall) is February (0.98"). /* visited link */ Repeated rounds of showers and thunderstorms will remain possible through Tuesday with only slight chances for rain in the middle and latter part of the week. The stations contributing to this reconstruction are: To get a sense of how much these sources agree with each other, you can view a comparison of San Antonio and the stations that contribute to our estimates of its temperature history and climate. Cooperative Observers Environmental Modeling, Weather Education Outlooks The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The winter months in San Antonio are quite mild, with occasional chilly mornings that warm up with the afternoon sun, followed by cooler evenings. #2 inBest Historical Cities to Visit in the USA. Aviation Weather The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi). Arlene becomes a tropical depression over the Gulf of Mexico. text-decoration: none; All NOAA, Forecasts The horizontal axis is the day of the year and the vertical axis is the hour of the day. The average daily incident shortwave solar energy in San Antonio is decreasing during the summer, falling by 1.1 kWh, from 6.9 kWh to 5.8 kWh, over the course of the season. The shaded overlays indicate night and civil twilight. Shortwave radiation includes visible light and ultraviolet radiation. The months with the highest snowfall are January and February (0.08"). The month with the most rain in San Antonio is May, with an average rainfall of 3.5 inches. WeatherSpark.com. NWS
The month with the lowest UV index is December (UV index 3). Twice a decade, on average, the thermometer never rises above freezing for the enitre day. Past Events Local Radar Precipitation amounts to 820 millimeters (32.3 inches) per year: so, it is at an intermediate level. You wont find much leaf-peeping; the palm tree fronds and other leaves stay green year-round. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. The hottest month of the year in San Antonio is August, with an average high of 95F and low of 75F.
While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. #nowcast a:hover { You might wish to pack a coat just in case temperatures are cooler than normal. Owlie SKYWARN Tornado Its also a good idea to pack a rain poncho and umbrella.
The cumulative rainfall amounts could lead to a localized flood threat through early next week. The stations contributing to this reconstruction are: To get a sense of how much these sources agree with each other, you can view a comparison of San Antonio and the stations that contribute to our estimates of its temperature history and climate. Global Summary of the Month and Year, Version 1.0. Get the monthly weather forecast for San Antonio, TX, including daily high/low, historical averages, to help you plan ahead. The drier season lasts 6.0 months, from October 24 to April 26. Normally every day from April to October in San Antonio is above 60 degrees Fahrenheit, as are most days in winter months. Within 10 miles contains only modest variations in elevation (577 feet). Dont forget to bring your sunscreen, sunhat, sunglasses and a water bottle for staying hydrated throughout the day. Record Tables Ocean Prediction Historical Averages based on data recorded from 1980 to 2010. [2388080].
Maximums and minimums are only part of the temperature picture. MERRA-2 Modern-Era Retrospective Analysis. For the purposes of this report, the geographical coordinates of San Antonio are 29.424 deg latitude, -98.494 deg longitude, and 636 ft elevation. Climate Prediction Occasionally, the San Antonio River is drained throughout portions of the River Walk for cleaning. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. The black isolines are contours of constant solar elevation. The top attractions for most San Antonio visitors are outdoors: the Alamo and the rest of the UNESCO World Heritage designated missions, the River Walk, and the Mercado or Market Square shopping district. A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. Please try another search. "Climate in San Antonio." The latest sunset is 8:37 PM on July 1 and the earliest sunset is 41 minutes earlier at 7:57 PM on August 31. text-decoration: none; Press the question mark key to get the keyboard shortcuts for changing dates.
The length of the day in San Antonio varies significantly over the course of the year.
The month with the most cloud cover is March (Cloud cover 47). Arlene to provide a glancing blow to Florida, Portions of Northeast, Midwest at risk of 'flash drought', Cool air to rush across Northeast in wake of record-breaking heat, Arizona announces limits on construction in Phoenix area, AccuWeather meteorologists photograph 'fire rainbow', 'Fire rainbow' appears at AccuWeather headquarters, Farm animals, crops suffer from extreme weather affecting China, Astronomy news: Feather-shaped cloud shimmers in Mars sky, Sun rays amaze scientists studying Martian weather, Alien-like message sent to Earth in test to prepare for the real thing. Record: Precipitation (past 24 hours from 05:51:00) 0.00: 4.80-
This does not affect the quality or independence of our editorial content. For reference, on August 6, the hottest day of the year, temperatures in San Antonio typically range from 76F to 96F, while on January 6, the coldest day of the year, they range from 43F to 63F. The cool season lasts for 2.8 months, from November 27 to February 20, with an average daily high temperature below 70F. Monthly averages San Antonio Longitude: -98.4698, Latitude: 29.5337 Average weather San Antonio, TX - 78216.
#nowcast a:link { Lightning Safety We and our partners share information on your use of this website to help improve your experience. Freezing temperatures normally occur from November to March.
The highest chance of overcast or mostly cloudy conditions is 44% on August 11. En Espaol
", Wettest Month: June (4.7 inches of rainfall average), Sunniest Month: July (10 hours average sunshine), Best Month for Walking or Biking on the River Walk: April (81 F / 27 C). The thin dotted lines are the corresponding average perceived temperatures. We have updated our Privacy Policy and Cookie Policy.
The months with the highest number of snowfall days are January and February (0.3 days). All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. Ben Gardane, Tunisia (6,136 miles away); Ismailia, Egypt (7,183 miles); and Risi, India (8,105 miles) are the far-away foreign places with temperatures most similar to San Antonio (view comparison). The months with the least snowfall are March, April, May, June, July, August, September, October and November (0"). Daylight saving time (DST) is observed in San Antonio during 2023, starting in the spring on March 12, lasting 7.8 months, and ending in the fall on November 5. Weather data is prone to errors, outages, and other defects. The shortest day of the summer is August 31, with 12 hours, 46 minutes of daylight and the longest day is June 21, with 14 hours, 2 minutes of daylight. The lowest average 31-day accumulation is 1.4 inches on August 1. Public Training Cooperative Observers Local Radar hr.style-four { The rainiest seasons are spring and autumn, due to the clash of air masses.
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Heat Safety Average Temperature . The month with the lowest average high temperature is January (61.7F). National Oceanic and Atmospheric Administration Environmental Modeling, Weather Education The numbers here tell you how hot and cold the weather usually is in San Antonio, Texas during each month of the year.
Cruise insurance can protect your investment in the event of cancellations, delays, lost luggage and more. The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. Hotel rates will make you sweat even more as they coincide with peaking temperatures (some days may reach above 100 degrees). Multiple locations were found. Guest Speakers Questions? The month with the highest average low temperature is August (75.7F). Because of its historical significance to the state and its family-friendly theme parks, San Antonio attracts hordes of Texas families when the kids are on summer break. Navigate forward to interact with the calendar and select a date. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. The number of hours during which the Sun is visible (black line). Currently: 86 F.