Average annual temperature is 25.1 °C
Absolute maximum temperature: 40.2 °C
Absolute minimum temperature: 12.3 °C
Number of sunny days: 133 days
Number of rainy days: 232 days
Look at detailed online map of San Antonio
* Weather data for San Antonio 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) | 33.6 | 35.3 | 36.3 | 37.9 | 40.2 | 39.1 | 33.8 | 34.5 | 32.0 | 32.5 | 31.2 | 32.6 |
| Average daytime temperature (°C) | 31.3 | 32.2 | 33.4 | 35.8 | 36.1 | 34.4 | 31.7 | 31.3 | 30.6 | 30.2 | 28.8 | 29.2 |
| Average temperature (°C) | 23.4 | 23.9 | 25.7 | 27.1 | 27.9 | 27.0 | 25.5 | 25.3 | 24.9 | 24.5 | 23.3 | 22.6 |
| Average night temperature (°C) | 17.4 | 17.9 | 19.7 | 20.4 | 21.9 | 21.9 | 21.1 | 21.2 | 20.9 | 20.6 | 19.6 | 17.7 |
| Absolute minimum temperature (°C) | 13.4 | 14.4 | 16.6 | 18.4 | 19.8 | 20.2 | 19.8 | 19.8 | 19.8 | 17.4 | 16.2 | 12.3 |
| 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) | 11.3 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.4 | 11.2 |
| 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) | 10.4 | 10.7 | 11.1 | 11.5 | 11.6 | 11.3 | 10.2 | 10.1 | 10.3 | 9.9 | 9.6 | 10.0 |
| Precipitation (mm) | 5 | 3 | 17 | 11 | 19 | 89 | 141 | 213 | 159 | 163 | 84 | 15 |
| Sunny days | 22 | 23 | 19 | 19 | 10 | 4 | 4 | 0 | 1 | 3 | 9 | 19 |
| Rainy days | 9 | 5 | 12 | 11 | 21 | 26 | 27 | 31 | 29 | 28 | 21 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio is at