Average annual temperature is 22.9 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: 3.5 °C
Number of sunny days: 303 days
Number of rainy days: 62 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) | 28.0 | 32.3 | 34.4 | 33.5 | 34.8 | 40.3 | 37.3 | 38.4 | 37.0 | 32.9 | 30.1 | 24.7 |
| Average daytime temperature (°C) | 23.5 | 25.6 | 28.9 | 29.7 | 31.2 | 37.0 | 34.4 | 34.8 | 33.5 | 26.1 | 21.7 | 20.2 |
| Average temperature (°C) | 17.3 | 18.3 | 21.7 | 23.2 | 25.0 | 30.7 | 28.5 | 28.8 | 27.7 | 21.2 | 16.6 | 15.5 |
| Average night temperature (°C) | 11.4 | 12.4 | 15.2 | 16.7 | 19.3 | 24.0 | 22.8 | 22.9 | 21.6 | 17.2 | 12.7 | 11.2 |
| Absolute minimum temperature (°C) | 3.5 | 3.5 | 3.5 | 11.5 | 14.7 | 19.9 | 20.3 | 19.6 | 18.7 | 6.8 | 4.8 | 6.5 |
| 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 | 11.6 | 10.9 | 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) | 9.7 | 9.9 | 11.0 | 11.3 | 11.4 | 12.6 | 12.1 | 11.8 | 11.5 | 8.7 | 8.3 | 9.2 |
| Precipitation (mm) | 0 | 0 | 2 | 0 | 27 | 0 | 22 | 1 | 3 | 98 | 70 | 0 |
| Sunny days | 31 | 28 | 27 | 27 | 18 | 29 | 23 | 26 | 25 | 16 | 24 | 29 |
| Rainy days | 0 | 0 | 4 | 3 | 13 | 1 | 8 | 5 | 5 | 15 | 6 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio is at