Average annual temperature is 27.1 °C
Absolute maximum temperature: 41.0 °C
Absolute minimum temperature: 15.6 °C
Number of sunny days: 145 days
Number of rainy days: 220 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) | 30.0 | 31.7 | 35.2 | 38.1 | 39.0 | 41.0 | 35.1 | 35.9 | 34.5 | 34.9 | 31.5 | 31.2 |
| Average daytime temperature (°C) | 28.2 | 28.8 | 32.3 | 35.0 | 35.9 | 36.9 | 33.2 | 33.4 | 33.0 | 32.1 | 28.7 | 27.3 |
| Average temperature (°C) | 24.0 | 24.3 | 26.8 | 29.0 | 29.6 | 30.8 | 28.3 | 28.4 | 28.0 | 27.3 | 25.1 | 23.4 |
| Average night temperature (°C) | 20.8 | 21.2 | 23.2 | 24.7 | 25.1 | 26.4 | 24.8 | 24.8 | 24.4 | 24.0 | 22.5 | 20.6 |
| Absolute minimum temperature (°C) | 15.6 | 16.1 | 20.6 | 21.9 | 20.2 | 23.6 | 23.3 | 22.8 | 22.7 | 20.7 | 20.3 | 15.9 |
| 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 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.9 | 9.6 | 10.8 | 11.6 | 11.8 | 11.5 | 10.9 | 11.5 | 10.6 | 9.8 | 8.8 | 8.3 |
| Precipitation (mm) | 49 | 69 | 84 | 5 | 11 | 133 | 158 | 139 | 132 | 129 | 143 | 94 |
| Sunny days | 18 | 16 | 23 | 21 | 18 | 13 | 3 | 9 | 2 | 7 | 5 | 10 |
| Rainy days | 13 | 12 | 8 | 9 | 13 | 17 | 28 | 22 | 28 | 24 | 25 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio is at