San Antonio Weather in February
Dry weather continues into February at San Antonio, Texas, along with pleasantly warm days.
This page gives detailed information on the typical February temperature, precipitation, sun, humidity, wind and storms for San Antonio. The numbers here are historical averages based on climate data gathered at the San Antonio International Airport, located a few miles north of the city center.
Temperature
| 68 °F | February average high | 20 °C |
| 45 °F | February average low | 7 °C |
| 14 days | 70 °F max. or more (21 °C) |
| 9 days | 40 °F min. or less (4 °C) |
The temperature rises nearly every day during February to over 50 degrees Fahrenheit (10 degrees Celsius) in San Antonio. The city averages 4 days this month when the thermometer reaches into the 80s °F (over 27 °C). Temperatures above 90 °F (32 °C) happen only rarely during February.
The thermometer dips to freezing on an average of 3 nights. Although uncommon, February can get as cold as 20 °F (-8 °C).
Rain
| 1.7 in | total precipitation | 44 mm |
| 7 days | of rain |
This is one of the driest months for San Antonio. Half the time, the city receives 0.5 to 2.4 inches (13 to 61 mm) of rainfall in February. One in four years has drier weather, while another one in four is wetter.
Sun
| 50 % | sunshine |
| 8 days | clear skies |
The sun's rays reach the ground in San Antonio during 50 percent of daylight hours on average in February, for a total of 157 hours in the month. Typically on 8 days this month the sky is mainly clear, with at most 30 percent cloud cover.
Sunlight in February at San Antonio lasts for 11 hours and 10 minutes a day on average. The shortest day of the month is the 1st with 10 hours and 49 minutes of daylight. By the end of the month, the days have lengthened to 11:33 from sunrise to sunset. These durations can vary by a minute or two from year to year.
Humidity
| 65 % | February average humidity |
The relative humidity in San Antonio during February usually peaks at 80 percent in the morning then drops to 48 percent by mid afternoon.
| Local Time | 12 am | 3 am | 6 am | 9 am | 12 pm | 3 pm | 6 pm | 9 pm |
| Humidity % | 74 | 78 | 80 | 74 | 56 | 48 | 50 | 64 |
Wind
| 9.3 mph | February wind speed average | 15.0 kph |
February is a little windier than most other months in San Antonio.
Storms
| 1 day | rainfall of 0.5 inches (13 mm) or more |
| 1 day | with thunderstorms in February |
It's not often stormy at San Antonio during February.
Reference
The weather data here are long-term averages provided by the US National Centers for Environmental Information (NCEI). Temperature and precipitation are 1991-2020 normals while humidity and thunderstorms are 1961-1990 normals.