Average annual temperature is 22.7 °C
Absolute maximum temperature: 42.3 °C
Absolute minimum temperature: -1.4 °C
Number of sunny days: 307 days
Number of rainy days: 58 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) | 26.0 | 27.0 | 28.3 | 37.0 | 35.2 | 42.3 | 42.0 | 42.2 | 41.8 | 39.0 | 34.4 | 28.2 |
| Average daytime temperature (°C) | 19.0 | 19.6 | 23.2 | 29.7 | 31.7 | 35.9 | 39.7 | 38.0 | 36.7 | 32.2 | 25.7 | 22.1 |
| Average temperature (°C) | 12.5 | 12.4 | 16.2 | 21.7 | 24.4 | 28.6 | 33.0 | 31.6 | 29.9 | 25.3 | 19.6 | 16.0 |
| Average night temperature (°C) | 7.4 | 7.2 | 10.0 | 14.2 | 16.8 | 21.0 | 25.9 | 25.7 | 23.2 | 18.9 | 14.0 | 10.8 |
| Absolute minimum temperature (°C) | 0.6 | -1.4 | 2.0 | 5.3 | 9.9 | 14.1 | 23.0 | 20.4 | 20.3 | 12.1 | 8.4 | 6.4 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.2 | 12.3 | 11.4 | 10.6 | 10.2 |
| 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) | 8.4 | 8.9 | 10.4 | 12.1 | 12.7 | 12.7 | 12.4 | 11.3 | 11.3 | 10.6 | 9.3 | 9.0 |
| Precipitation (mm) | 7 | 27 | 7 | 0 | 1 | 0 | 15 | 18 | 4 | 0 | 1 | 4 |
| Sunny days | 22 | 19 | 28 | 30 | 29 | 29 | 21 | 18 | 28 | 29 | 28 | 26 |
| Rainy days | 9 | 9 | 3 | 0 | 2 | 1 | 10 | 13 | 2 | 2 | 2 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio is at