Average annual temperature is 19.8 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: 9.2 °C
Number of sunny days: 174 days
Number of rainy days: 191 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) | 26.1 | 29.5 | 29.7 | 30.7 | 32.4 | 32.6 | 27.8 | 27.0 | 26.7 | 26.5 | 26.0 | 24.1 |
| Average daytime temperature (°C) | 23.9 | 26.2 | 27.9 | 28.7 | 28.2 | 29.2 | 25.3 | 24.7 | 24.8 | 23.9 | 23.9 | 22.1 |
| Average temperature (°C) | 18.0 | 19.3 | 20.7 | 21.7 | 21.5 | 22.5 | 19.8 | 19.4 | 19.7 | 18.8 | 19.0 | 17.3 |
| Average night temperature (°C) | 12.5 | 13.1 | 14.2 | 15.4 | 15.8 | 16.8 | 15.7 | 15.6 | 15.6 | 15.2 | 14.8 | 13.0 |
| Absolute minimum temperature (°C) | 9.6 | 10.9 | 11.6 | 13.0 | 13.6 | 14.9 | 14.6 | 14.2 | 14.5 | 13.2 | 12.2 | 9.2 |
| 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) | 10.4 | 10.7 | 11.2 | 11.5 | 11.2 | 12.1 | 11.5 | 10.8 | 11.1 | 9.9 | 10.2 | 9.4 |
| Precipitation (mm) | 0 | 1 | 5 | 7 | 155 | 56 | 310 | 274 | 193 | 200 | 98 | 6 |
| Sunny days | 29 | 25 | 23 | 23 | 9 | 14 | 4 | 2 | 4 | 4 | 15 | 22 |
| Rainy days | 2 | 3 | 8 | 7 | 22 | 16 | 27 | 29 | 26 | 27 | 15 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio is at