Average annual temperature is 27.2 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: 16.2 °C
Number of sunny days: 144 days
Number of rainy days: 221 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) | 30.2 | 32.5 | 35.2 | 36.8 | 37.7 | 39.8 | 35.5 | 36.0 | 34.4 | 34.0 | 31.2 | 31.4 |
| Average daytime temperature (°C) | 28.1 | 28.7 | 31.7 | 33.4 | 33.7 | 35.3 | 33.3 | 33.1 | 32.2 | 31.3 | 28.4 | 26.9 |
| Average temperature (°C) | 24.2 | 24.6 | 26.7 | 28.3 | 29.0 | 30.2 | 28.7 | 28.8 | 28.5 | 27.6 | 25.6 | 24.0 |
| Average night temperature (°C) | 21.3 | 21.6 | 23.4 | 24.8 | 25.3 | 26.4 | 25.3 | 25.4 | 24.9 | 24.4 | 23.3 | 21.6 |
| Absolute minimum temperature (°C) | 16.2 | 17.0 | 20.5 | 22.1 | 20.6 | 23.4 | 23.6 | 23.2 | 23.4 | 21.8 | 21.1 | 17.0 |
| 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 | 11.0 |
| 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 | 9.5 | 10.8 | 11.6 | 11.7 | 11.4 | 11.2 | 11.6 | 10.9 | 10.1 | 9.3 | 9.0 |
| Precipitation (mm) | 43 | 98 | 102 | 12 | 12 | 98 | 145 | 48 | 113 | 120 | 203 | 107 |
| Sunny days | 17 | 16 | 22 | 23 | 19 | 11 | 4 | 6 | 1 | 6 | 7 | 12 |
| Rainy days | 14 | 12 | 9 | 7 | 12 | 19 | 27 | 25 | 29 | 25 | 23 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio is at