Average annual temperature is 22.0 °C
Absolute maximum temperature: 41.3 °C
Absolute minimum temperature: -0.1 °C
Number of sunny days: 182 days
Number of rainy days: 183 days
Look at detailed online map of City of San Antonio
* Weather data for City of San Antonio United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.3 | 31.0 | 32.6 | 34.6 | 33.5 | 40.1 | 40.6 | 41.3 | 38.5 | 33.7 | 27.8 | 24.5 |
| Average daytime temperature (°C) | 20.3 | 20.9 | 26.0 | 26.4 | 29.0 | 36.2 | 37.8 | 39.1 | 35.4 | 27.4 | 19.8 | 19.7 |
| Average temperature (°C) | 14.2 | 13.9 | 19.1 | 20.0 | 23.5 | 29.3 | 31.2 | 32.1 | 29.4 | 22.0 | 15.2 | 13.6 |
| Average night temperature (°C) | 9.5 | 9.1 | 14.5 | 15.2 | 19.2 | 23.5 | 25.3 | 25.8 | 24.1 | 17.9 | 11.6 | 8.8 |
| Absolute minimum temperature (°C) | -0.1 | 0.1 | 5.6 | 10.1 | 14.9 | 18.1 | 23.4 | 24.1 | 21.5 | 5.7 | 4.6 | 2.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.2 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.5 | 10.7 | 10.3 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.1 | 7.3 | 6.8 | 8.2 | 9.0 | 11.7 | 12.0 | 11.9 | 10.9 | 8.3 | 6.0 | 7.1 |
| Precipitation (mm) | 43 | 38 | 68 | 137 | 178 | 48 | 17 | 7 | 52 | 195 | 47 | 42 |
| Sunny days | 19 | 16 | 7 | 10 | 3 | 15 | 21 | 26 | 17 | 12 | 16 | 20 |
| Rainy days | 12 | 12 | 24 | 20 | 28 | 15 | 10 | 5 | 13 | 19 | 14 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit City of San Antonio during the most sunny months:
The largest precipitation sum in City of San Antonio is at