Average annual temperature is 18.6 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: 0.8 °C
Number of sunny days: 258 days
Number of rainy days: 107 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 | 28.8 | 31.4 | 31.5 | 32.1 | 36.8 | 32.5 | 30.5 | 30.5 | 28.0 | 28.2 | 23.0 |
| Average daytime temperature (°C) | 22.7 | 24.9 | 28.0 | 28.8 | 29.7 | 34.0 | 28.3 | 27.5 | 28.3 | 24.8 | 23.6 | 20.3 |
| Average temperature (°C) | 14.4 | 16.2 | 18.5 | 19.7 | 21.2 | 24.6 | 20.9 | 19.8 | 20.5 | 17.9 | 16.3 | 13.0 |
| Average night temperature (°C) | 6.2 | 7.9 | 9.4 | 10.9 | 13.1 | 15.9 | 14.8 | 13.8 | 13.6 | 12.1 | 9.6 | 6.7 |
| Absolute minimum temperature (°C) | 3.4 | 3.3 | 5.7 | 8.2 | 10.2 | 12.4 | 11.8 | 10.1 | 9.8 | 7.6 | 4.5 | 0.8 |
| 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 | 13.3 | 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 | 11.8 | 12.1 | 11.5 | 10.8 | 11.2 | 9.5 | 9.6 | 8.4 |
| Precipitation (mm) | 1 | 0 | 0 | 4 | 1 | 18 | 127 | 161 | 84 | 94 | 28 | 7 |
| Sunny days | 29 | 28 | 31 | 29 | 29 | 27 | 7 | 7 | 16 | 11 | 20 | 24 |
| Rainy days | 2 | 0 | 0 | 1 | 2 | 3 | 24 | 24 | 14 | 20 | 10 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio is at