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February Weather in San Antonio, United States

Last updated: June 24, 2025

In February, the average temperature in San Antonio, United States hovers around 19°C (66°F). Expect a minimum chill of 0°C (32°F) and a maximum warmth of 31°C (87°F). Be prepared for some rain, as precipitation reaches 69 mm (2.7 in) over 7 days, contributing to an average humidity of 80%.

February Temperature in San Antonio

In February in San Antonio, the average temperature is 19°C (66°F), with maximums reaching up to 31°C (87°F) and minimums dipping as low as 0°C (32°F). This makes San Antonio an ideal destination for travelers seeking a diverse range of experiences, from warm afternoons to cool evenings.

February Weather in San Antonio: Daily Temperature Highs, Lows, and Averages

The chart illustrates February temperature patterns in San Antonio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Antonio, February typically has an average temperature of 19°C (66°F), with highs reaching up to 31°C (87°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec606668737880818281776863
Data source: Temperature data for San Antonio generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

February Precipitation in San Antonio

In San Antonio in February, the precipitation amount is 69 mm (2.7 in) over the course of 7 days.

February Precipitation Trends in San Antonio

The chart displays monthly precipitation patterns in San Antonio, with values for each month alongside February’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how February’s conditions compare to those of other months. In San Antonio, February typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec43692077123223276247189824970
Data source: Precipitation data for February generated using information from the Copernicus Climate Change Service.
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February Humidity in San Antonio

In San Antonio in February humidity is 80%. With an average temperature of 19°C (66°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel more strenuous and sticky, which can ultimately dampen the experience of traveling.

February Average Humidity in San Antonio

This chart illustrates the average monthly humidity levels in San Antonio, with February’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In February, average humidity in San Antonio is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%80%75%70%68%75%80%81%83%81%82%84%
Data source: Humidity data for February generated using information from the Copernicus Climate Change Service.

February UV Index in San Antonio

In San Antonio in February, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in San Antonio.

Maximum UV Index Levels in San Antonio for February

The chart shows the monthly maximum UV Index (UVI) for San Antonio in February, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In February, the maximum UV index in San Antonio typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec689111112121111975
Data source: San Antonio February UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How February Weather in San Antonio Compares to Other Months

Weather in San Antonio varies notably across the year, with each month offering distinct climate conditions. This page compares February’s weather to other months in San Antonio, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in San Antonio, showing how February’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (60°F)43 mm (1.7 inches)83%high
February Weather19°C (66°F)69 mm (2.7 inches)80%very high
March Weather20°C (68°F)20 mm (0.8 inches)75%very high
April Weather23°C (73°F)77 mm (3.0 inches)70%extreme
May Weather25°C (78°F)123 mm (4.8 inches)68%extreme
June Weather27°C (81°F)223 mm (8.8 inches)75%extreme
July Weather27°C (81°F)276 mm (10.8 inches)79%extreme
August Weather28°C (82°F)247 mm (9.7 inches)81%extreme
September Weather27°C (81°F)189 mm (7.4 inches)83%extreme
October Weather25°C (77°F)82 mm (3.2 inches)81%very high
November Weather20°C (68°F)49 mm (1.9 inches)82%high
December Weather17°C (64°F)70 mm (2.8 inches)84%moderate

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