February is one of the cooler months of the year in San Antonio, with average highs near 19.6°C and lows around 6.2°C (mean 12.9°C). It is one of the drier months, averaging 44 mm of rainfall and 70% relative humidity across the period.
February is one of the cooler months of the year in San Antonio. Across 45 years of records, the warmest February in San Antonio was 2017 — when the month averaged 17°C — while the coldest was 2010 at 8.1°C. Typical February days reach 19.6°C with nights near 6.2°C. The long-term trend is warming, about 0.3°C per decade.
February is one of the drier months in San Antonio, averaging 44 mm of rainfall. The wettest February on record was 1992 with 169 mm, while the driest was 2007 at 2 mm.
Relative humidity in San Antonio during February averages 70%. The most humid February was 1992 at 81%, and the least humid was 2009 at 53%.
February receives about 3.7 kWh/m²/day of solar energy in San Antonio. The sunniest February was 2016 at 4.8 kWh/m²/day, and the cloudiest was 2018 at 2.4.
Average wind speed in San Antonio during February is 2.9 m/s. The windiest Februarys were 2009 and 2011 at 3.4 m/s, while the calmest was 1991 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.7°C | 13.4°C | 13.3°C | 13.1°C | 12.7°C | +1°C |
| Avg High | 18.2°C | 19.9°C | 20.0°C | 19.8°C | 19.8°C | +1.6°C |
| Avg Low | 5.2°C | 6.8°C | 6.6°C | 6.5°C | 5.6°C | +0.4°C |
| Avg Rain | 46 mm | 68 mm | 34 mm | 39 mm | 24 mm | -21 mm |
February temperatures in San Antonio have risen by about 1.2°C between 1981–1985 and 2021–2025.
February has ranged from a record low of -11.2°C (2021) to a record high of 36°C (1996).
Rainfall in February is one of the drier months, averaging 44 mm, with a wettest year of 169 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.4°C per decade while lows rose 0.2°C per decade, widening the gap between day and night.
A quieter season to visit San Antonio
If your dates are flexible, the more temperate months of April and October tend to be the most comfortable for visiting San Antonio. That said, February — with days averaging 19.6°C and nights around 6.2°C (mean 12.9°C) and moderate rainfall (44 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 21.9°C | 14.2°C | 6.5°C | 31.2°C | -6.2°C | 18 mm | 66% | 2.9 m/s | 3.5 |
| 2024 | 21.8°C | 15.3°C | 8.7°C | 32.2°C | -1.2°C | 33 mm | 72% | 2.8 m/s | 4 |
| 2023 | 21.1°C | 14.1°C | 7.1°C | 30.7°C | -0.9°C | 22 mm | 66% | 3.1 m/s | 3.8 |
| 2022 | 17.7°C | 9.9°C | 2.1°C | 30.5°C | -6.8°C | 22 mm | 63% | 3.1 m/s | 4.3 |
| 2021 | 16.5°C | 10.0°C | 3.5°C | 29.4°C | -11.2°C | 29 mm | 70% | 3 m/s | 3.4 |
| 2020 | 19.8°C | 12.7°C | 5.6°C | 27.6°C | -2.4°C | 23 mm | 66% | 3.1 m/s | 3.6 |
| 2019 | 19.4°C | 13.5°C | 7.7°C | 29.5°C | 0.7°C | 12 mm | 76% | 2.6 m/s | 3.1 |
| 2018 | 21.5°C | 15.2°C | 8.8°C | 29.0°C | -0.9°C | 47 mm | 75% | 3 m/s | 2.4 |
| 2017 🔥 | 23.8°C | 17.0°C | 10.3°C | 29.5°C | 4.1°C | 65 mm | 71% | 2.8 m/s | 3.9 |
| 2016 | 21.8°C | 14.4°C | 7.1°C | 27.9°C | -0.8°C | 37 mm | 66% | 2.8 m/s | 4.8 |
| 2015 | 17.5°C | 11.0°C | 4.6°C | 27.0°C | -0.6°C | 16 mm | 73% | 2.8 m/s | 3.4 |
| 2014 | 19.6°C | 12.2°C | 4.8°C | 29.6°C | -3.8°C | 11 mm | 68% | 2.9 m/s | 3.4 |
| 2013 | 21.6°C | 14.4°C | 7.1°C | 27.1°C | 1.1°C | 15 mm | 61% | 3.1 m/s | 4.2 |
| 2012 | 19.0°C | 13.2°C | 7.5°C | 27.2°C | -1.8°C | 79 mm | 75% | 2.9 m/s | 3.1 |
| 2011 | 19.9°C | 12.3°C | 4.6°C | 31.3°C | -7.7°C | 7 mm | 65% | 3.4 m/s | 3.9 |
| 2010 ❄️ | 13.9°C | 8.1°C | 2.2°C | 23.1°C | -3.2°C | 99 mm | 80% | 2.8 m/s | 3.7 |
| 2009 | 23.8°C | 16.1°C | 8.4°C | 34.9°C | 0.0°C | 10 mm | 53% | 3.4 m/s | 4.3 |
| 2008 | 24.1°C | 15.8°C | 7.5°C | 33.6°C | 0.4°C | 9 mm | 60% | 2.9 m/s | 4.4 |
| 2007 | 18.3°C | 11.6°C | 4.9°C | 26.3°C | -5.6°C | 2 mm | 75% | 2.6 m/s | 4 |
| 2006 | 20.7°C | 13.3°C | 5.9°C | 29.2°C | -2.8°C | 16 mm | 60% | 2.9 m/s | 3.8 |
| 2005 | 17.6°C | 12.8°C | 8.0°C | 25.9°C | 0.3°C | 76 mm | 81% | 2.5 m/s | 2.7 |
| 2004 | 17.5°C | 11.3°C | 5.0°C | 24.3°C | -1.9°C | 65 mm | 73% | 3 m/s | 3.5 |
| 2003 | 16.8°C | 11.0°C | 5.3°C | 24.9°C | -2.9°C | 75 mm | 80% | 2.9 m/s | 2.9 |
| 2002 | 17.5°C | 10.5°C | 3.5°C | 25.4°C | -4.3°C | 15 mm | 62% | 2.9 m/s | 4.2 |
| 2001 | 19.5°C | 13.8°C | 8.1°C | 24.8°C | -1.2°C | 25 mm | 81% | 3.1 m/s | 3 |
| 2000 | 23.7°C | 16.6°C | 9.6°C | 29.3°C | -0.1°C | 44 mm | 68% | 2.9 m/s | 3.8 |
| 1999 | 23.7°C | 16.2°C | 8.7°C | 30.4°C | 1.0°C | 4 mm | 67% | 2.9 m/s | 4 |
| 1998 | 19.0°C | 12.4°C | 5.8°C | 25.4°C | 0.2°C | 101 mm | 75% | 2.6 m/s | 4.3 |
| 1997 | 17.6°C | 11.5°C | 5.5°C | 24.7°C | 0.4°C | 78 mm | 75% | 3 m/s | 3.3 |
| 1996 | 21.7°C | 14.3°C | 7.0°C | 36.0°C | -6.7°C | 24 mm | 57% | 3.2 m/s | 3.9 |
| 1995 | 21.2°C | 14.4°C | 7.6°C | 28.0°C | 1.2°C | 39 mm | 70% | 2.7 m/s | 3.5 |
| 1994 | 19.2°C | 12.6°C | 5.9°C | 27.8°C | -4.1°C | 44 mm | 71% | 2.8 m/s | 3.5 |
| 1993 | 17.8°C | 12.0°C | 6.3°C | 25.0°C | -1.9°C | 65 mm | 76% | 2.7 m/s | 3.4 |
| 1992 🌧️ | 18.7°C | 13.2°C | 7.7°C | 23.8°C | -0.3°C | 169 mm | 81% | 2.6 m/s | 3.8 |
| 1991 | 18.5°C | 12.4°C | 6.3°C | 25.5°C | -1.5°C | 84 mm | 74% | 2.3 m/s | 3.7 |
| 1990 | 21.9°C | 14.7°C | 7.6°C | 28.1°C | 0.1°C | 70 mm | 66% | 2.8 m/s | 3.9 |
| 1989 | 16.8°C | 10.8°C | 4.8°C | 27.1°C | -5.3°C | 22 mm | 75% | 3.2 m/s | 3.1 |
| 1988 | 18.8°C | 11.7°C | 4.6°C | 28.7°C | -3.9°C | 20 mm | 69% | 2.9 m/s | 3.8 |
| 1987 | 17.7°C | 12.0°C | 6.3°C | 23.2°C | -0.6°C | 107 mm | 79% | 2.9 m/s | 3.4 |
| 1986 | 20.5°C | 13.7°C | 6.9°C | 31.2°C | -5.1°C | 37 mm | 70% | 2.8 m/s | 3.9 |
| 1985 | 16.3°C | 10.2°C | 4.2°C | 23.4°C | -6.9°C | 58 mm | 77% | 2.8 m/s | 3.3 |
| 1984 | 20.4°C | 12.7°C | 5.0°C | 25.7°C | -2.1°C | 19 mm | 59% | 3.2 m/s | 4.4 |
| 1983 | 17.8°C | 11.4°C | 4.9°C | 23.7°C | -0.2°C | 59 mm | 74% | 2.7 m/s | — |
| 1982 | 17.2°C | 10.7°C | 4.1°C | 29.9°C | -3.7°C | 57 mm | 68% | 3.1 m/s | — |
| 1981 | 18.7°C | 12.3°C | 5.8°C | 26.5°C | -8.4°C | 34 mm | 72% | 2.9 m/s | — |
Actual recorded February data for each year, 1981–2025 — sourced from NASA POWER.
The average high in February is around 19.6°C with lows near 6.2°C (mean 12.9°C), based on 45 years of NASA POWER data.
February averages 44 mm of rainfall in San Antonio, one of the drier months. The wettest on record was 169 mm in 1992.
The hottest February reached 36°C in 1996. The coldest dipped to -11.2°C in 2021.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average February temperatures have risen by about 1.2°C. Daytime highs moved from 18.1°C to 19.8°C and overnight lows from 4.8°C to 5.6°C over the same span.
February is one of the cooler months of the year in San Antonio and one of the drier months, so plan for around 19.6°C daytime highs and 6.2°C at night.
Not quite — February is the 3rd coolest month in San Antonio, averaging 12.9°C.
For February in San Antonio, pack warm layers and a jacket for chilly mornings, with typical highs of 19.6°C and lows of 6.2°C.
Relative humidity in February averages 70% — moderately humid.
Average wind speed in February is 2.9 m/s. The windiest February on record averaged 3.4 m/s (2009).
The wettest February on record was 1992 with 169 mm. On average, February sees 44 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in San Antonio behaves each February, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for February specifically, along with year-by-year records and how the month has changed over the decades.