Average annual temperature is 21.5 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: 6.3 °C
Number of sunny days: 192 days
Number of rainy days: 173 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) | 27.9 | 33.2 | 38.0 | 32.1 | 31.6 | 37.3 | 33.8 | 34.5 | 34.3 | 32.0 | 29.0 | 26.3 |
| Average daytime temperature (°C) | 22.5 | 23.3 | 27.1 | 25.8 | 27.2 | 31.3 | 31.7 | 32.1 | 32.5 | 26.5 | 22.0 | 19.6 |
| Average temperature (°C) | 17.2 | 17.3 | 20.5 | 20.9 | 22.7 | 25.9 | 25.8 | 26.2 | 26.3 | 21.9 | 17.3 | 15.7 |
| Average night temperature (°C) | 12.9 | 12.8 | 15.6 | 16.9 | 18.7 | 20.9 | 20.5 | 21.0 | 20.8 | 18.1 | 13.7 | 12.5 |
| Absolute minimum temperature (°C) | 7.8 | 6.3 | 7.6 | 13.3 | 13.8 | 18.6 | 18.3 | 19.6 | 19.3 | 10.1 | 9.0 | 7.3 |
| 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 | 13.3 | 13.5 | 13.4 | 12.9 | 12.3 | 11.6 | 11.0 | 10.7 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.9 | 10.0 | 10.0 | 10.0 | 11.2 | 12.1 | 12.1 | 11.2 | 11.1 | 9.2 | 8.0 | 6.3 |
| Precipitation (mm) | 8 | 9 | 58 | 140 | 124 | 54 | 14 | 45 | 26 | 83 | 27 | 41 |
| Sunny days | 23 | 24 | 20 | 6 | 7 | 16 | 13 | 13 | 17 | 16 | 21 | 16 |
| Rainy days | 8 | 4 | 11 | 24 | 24 | 14 | 18 | 18 | 13 | 15 | 9 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio is at