Average annual temperature is 15.9 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: -0.9 °C
Number of sunny days: 226 days
Number of rainy days: 139 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) | 23.1 | 26.2 | 27.6 | 28.5 | 28.4 | 31.9 | 27.6 | 29.2 | 28.2 | 26.0 | 25.3 | 18.3 |
| Average daytime temperature (°C) | 19.6 | 21.8 | 25.2 | 25.5 | 25.8 | 28.9 | 25.1 | 24.9 | 25.5 | 21.7 | 19.6 | 15.0 |
| Average temperature (°C) | 12.1 | 13.3 | 16.9 | 17.6 | 18.3 | 20.8 | 17.8 | 17.9 | 18.2 | 15.2 | 12.9 | 9.8 |
| Average night temperature (°C) | 6.2 | 6.8 | 9.5 | 11.0 | 11.8 | 13.4 | 12.2 | 12.4 | 11.8 | 10.6 | 8.2 | 5.8 |
| Absolute minimum temperature (°C) | 1.0 | -0.9 | 1.2 | 7.7 | 10.0 | 10.3 | 9.6 | 10.8 | 10.2 | 5.6 | 1.7 | 1.4 |
| 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 | 10.4 | 11.1 | 11.3 | 11.7 | 12.3 | 11.7 | 11.3 | 11.3 | 8.8 | 8.8 | 7.0 |
| Precipitation (mm) | 0 | 1 | 5 | 24 | 60 | 6 | 35 | 27 | 4 | 36 | 50 | 63 |
| Sunny days | 29 | 24 | 28 | 15 | 14 | 22 | 13 | 10 | 20 | 13 | 19 | 19 |
| Rainy days | 2 | 4 | 3 | 15 | 17 | 8 | 18 | 21 | 10 | 18 | 11 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio is at