Average annual temperature is 12.7 °C
Absolute maximum temperature: 29.9 °C
Absolute minimum temperature: -3.4 °C
Number of sunny days: 206 days
Number of rainy days: 158 days
Number of snow days: 1 day
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) | 18.4 | 19.1 | 21.8 | 23.6 | 28.1 | 29.9 | 29.1 | 27.9 | 28.1 | 24.8 | 22.2 | 19.3 |
| Average daytime temperature (°C) | 14.0 | 14.6 | 18.2 | 20.1 | 21.9 | 27.5 | 25.1 | 24.3 | 25.3 | 19.7 | 17.0 | 14.6 |
| Average temperature (°C) | 6.9 | 7.4 | 10.3 | 12.0 | 14.1 | 18.9 | 17.2 | 16.9 | 17.0 | 13.3 | 10.3 | 7.5 |
| Average night temperature (°C) | 1.5 | 1.8 | 4.2 | 5.0 | 7.4 | 12.1 | 11.6 | 11.5 | 10.8 | 8.6 | 5.1 | 1.5 |
| Absolute minimum temperature (°C) | -2.2 | -2.8 | 0.1 | 2.0 | 3.9 | 5.9 | 9.2 | 9.2 | 9.4 | 4.1 | -3.3 | -3.4 |
| 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 | 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) | 9.6 | 9.6 | 10.9 | 11.9 | 11.3 | 12.5 | 11.5 | 11.0 | 11.1 | 8.2 | 9.3 | 8.9 |
| Precipitation (mm) | 10 | 49 | 7 | 4 | 13 | 25 | 134 | 96 | 42 | 119 | 21 | 3 |
| Sunny days | 25 | 21 | 28 | 25 | 20 | 16 | 2 | 3 | 7 | 13 | 22 | 24 |
| Rainy days | 6 | 7 | 3 | 5 | 11 | 14 | 29 | 28 | 23 | 18 | 7 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The largest precipitation sum in San Antonio is at