Average annual temperature is 18.2 °C
Absolute maximum temperature: 30.0 °C
Absolute minimum temperature: 6.7 °C
Number of sunny days: 51 days
Number of rainy days: 314 days
Look at detailed online map of San Antonio Texas
* Weather data for San Antonio Texas Mexico is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 23.7 | 24.8 | 28.2 | 30.0 | 28.3 | 28.7 | 25.3 | 26.7 | 24.9 | 26.7 | 25.0 | 24.8 |
| Average daytime temperature (°C) | 20.7 | 20.7 | 23.7 | 25.1 | 25.5 | 26.0 | 23.4 | 23.9 | 23.7 | 22.5 | 20.3 | 18.8 |
| Average temperature (°C) | 16.1 | 16.0 | 18.4 | 19.8 | 20.2 | 20.9 | 19.0 | 19.2 | 18.9 | 18.2 | 16.8 | 15.3 |
| Average night temperature (°C) | 12.7 | 12.5 | 14.3 | 15.3 | 16.2 | 16.9 | 15.7 | 15.8 | 15.7 | 15.3 | 14.4 | 12.7 |
| Absolute minimum temperature (°C) | 7.5 | 8.8 | 11.7 | 12.7 | 11.6 | 14.5 | 14.6 | 13.7 | 14.1 | 12.3 | 11.1 | 6.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.6 | 9.4 | 11.0 | 11.1 | 11.5 | 11.1 | 10.5 | 10.8 | 10.3 | 9.5 | 7.9 | 7.8 |
| Precipitation (mm) | 126 | 268 | 92 | 91 | 93 | 147 | 233 | 265 | 224 | 308 | 437 | 285 |
| Sunny days | 8 | 6 | 9 | 11 | 4 | 5 | 1 | 1 | 0 | 0 | 4 | 2 |
| Rainy days | 23 | 22 | 22 | 19 | 27 | 25 | 30 | 30 | 30 | 31 | 26 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio Texas is at