Average annual temperature is 23.5 °C
Absolute maximum temperature: 42.7 °C
Absolute minimum temperature: 7.3 °C
Number of sunny days: 314 days
Number of rainy days: 51 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) | 31.5 | 30.2 | 34.1 | 36.2 | 34.4 | 42.7 | 40.2 | 41.0 | 42.5 | 38.5 | 35.7 | 31.4 |
| Average daytime temperature (°C) | 24.9 | 24.7 | 29.0 | 31.0 | 29.6 | 35.6 | 37.6 | 37.2 | 37.6 | 31.3 | 29.3 | 27.4 |
| Average temperature (°C) | 17.7 | 17.5 | 20.6 | 21.3 | 20.6 | 25.9 | 29.7 | 30.2 | 29.9 | 25.1 | 23.1 | 20.5 |
| Average night temperature (°C) | 11.9 | 12.0 | 13.5 | 13.6 | 13.6 | 18.1 | 23.3 | 24.7 | 23.7 | 20.6 | 18.1 | 14.8 |
| Absolute minimum temperature (°C) | 7.3 | 8.7 | 9.5 | 9.7 | 11.8 | 11.8 | 18.8 | 22.3 | 19.7 | 16.2 | 13.9 | 11.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.8 | 11.3 | 12.0 | 12.7 | 13.3 | 13.6 | 13.5 | 13.0 | 12.3 | 11.6 | 11.0 | 10.6 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.4 | 9.6 | 10.7 | 11.4 | 11.5 | 12.6 | 12.6 | 11.3 | 11.3 | 9.4 | 9.4 | 9.2 |
| Precipitation (mm) | 2 | 2 | 2 | 1 | 0 | 0 | 9 | 34 | 9 | 109 | 5 | 0 |
| Sunny days | 27 | 26 | 29 | 28 | 30 | 30 | 24 | 15 | 24 | 24 | 27 | 30 |
| Rainy days | 4 | 2 | 2 | 2 | 1 | 0 | 7 | 16 | 6 | 7 | 3 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio is at