Average annual temperature is 19.5 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: 2.6 °C
Number of sunny days: 264 days
Number of rainy days: 101 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) | 24.7 | 29.2 | 31.0 | 31.8 | 32.9 | 37.2 | 33.4 | 32.8 | 33.8 | 30.1 | 28.8 | 23.5 |
| Average daytime temperature (°C) | 22.7 | 25.1 | 28.1 | 29.3 | 30.2 | 34.2 | 28.8 | 28.4 | 29.5 | 25.9 | 23.9 | 20.1 |
| Average temperature (°C) | 14.5 | 16.6 | 19.3 | 20.7 | 22.3 | 26.1 | 21.9 | 21.6 | 22.6 | 19.4 | 16.2 | 13.1 |
| Average night temperature (°C) | 6.8 | 8.7 | 10.8 | 12.1 | 14.2 | 17.7 | 15.9 | 15.7 | 15.5 | 13.7 | 9.9 | 7.1 |
| Absolute minimum temperature (°C) | 4.9 | 5.6 | 7.6 | 9.8 | 10.9 | 14.2 | 13.1 | 13.1 | 12.7 | 10.0 | 4.2 | 2.6 |
| 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 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.9 | 11.4 | 12.0 | 12.7 | 13.2 | 13.5 | 13.4 | 12.9 | 12.3 | 11.6 | 11.1 | 10.8 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.9 | 10.5 | 11.2 | 11.6 | 11.9 | 12.3 | 11.7 | 11.2 | 11.4 | 9.5 | 9.6 | 7.9 |
| Precipitation (mm) | 5 | 0 | 0 | 2 | 4 | 10 | 100 | 84 | 37 | 66 | 56 | 15 |
| Sunny days | 30 | 28 | 31 | 26 | 28 | 27 | 8 | 8 | 22 | 13 | 20 | 23 |
| Rainy days | 1 | 0 | 0 | 4 | 3 | 3 | 23 | 23 | 8 | 18 | 10 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio is at