Average annual temperature is 23.3 °C
Absolute maximum temperature: 41.1 °C
Absolute minimum temperature: 3.1 °C
Number of sunny days: 322 days
Number of rainy days: 43 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) | 29.3 | 35.8 | 35.7 | 36.1 | 36.7 | 41.1 | 38.8 | 39.6 | 38.3 | 34.3 | 30.9 | 25.8 |
| Average daytime temperature (°C) | 24.1 | 26.3 | 30.4 | 31.4 | 33.4 | 38.6 | 35.5 | 36.2 | 35.1 | 27.4 | 23.6 | 21.3 |
| Average temperature (°C) | 16.1 | 17.4 | 21.9 | 23.9 | 26.4 | 31.9 | 29.6 | 30.4 | 28.9 | 21.6 | 16.6 | 14.7 |
| Average night temperature (°C) | 9.2 | 10.4 | 14.4 | 16.7 | 19.4 | 24.4 | 23.5 | 24.0 | 22.2 | 17.0 | 11.5 | 8.8 |
| Absolute minimum temperature (°C) | 3.5 | 3.1 | 3.7 | 12.1 | 14.3 | 20.4 | 20.2 | 20.9 | 19.9 | 8.5 | 4.4 | 3.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 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) | 10.7 | 11.3 | 12.0 | 12.8 | 13.4 | 13.7 | 13.6 | 13.0 | 12.3 | 11.5 | 10.9 | 10.6 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.5 | 9.8 | 10.7 | 11.1 | 11.0 | 12.5 | 11.7 | 11.7 | 11.5 | 8.0 | 7.9 | 9.1 |
| Precipitation (mm) | 0 | 0 | 2 | 0 | 20 | 0 | 34 | 0 | 0 | 75 | 22 | 3 |
| Sunny days | 31 | 26 | 29 | 30 | 22 | 30 | 27 | 31 | 27 | 18 | 22 | 29 |
| Rainy days | 0 | 2 | 2 | 0 | 9 | 0 | 4 | 0 | 3 | 13 | 8 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio is at