Average annual temperature is 24.6 °C
Absolute maximum temperature: 48.2 °C
Absolute minimum temperature: 3.2 °C
Number of sunny days: 337 days
Number of rainy days: 28 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) | 23.3 | 25.7 | 29.4 | 39.0 | 39.0 | 42.3 | 48.2 | 46.6 | 43.6 | 40.2 | 31.8 | 25.8 |
| Average daytime temperature (°C) | 18.6 | 20.4 | 23.1 | 31.7 | 34.3 | 37.1 | 44.8 | 41.3 | 38.1 | 33.9 | 25.4 | 21.9 |
| Average temperature (°C) | 13.7 | 14.6 | 17.2 | 24.8 | 27.0 | 29.6 | 37.8 | 35.0 | 31.4 | 27.0 | 19.6 | 17.0 |
| Average night temperature (°C) | 9.4 | 9.7 | 12.1 | 18.1 | 20.0 | 22.0 | 30.9 | 29.1 | 25.3 | 21.0 | 14.6 | 12.6 |
| Absolute minimum temperature (°C) | 3.7 | 3.2 | 6.1 | 9.4 | 12.9 | 15.2 | 24.5 | 21.0 | 19.9 | 13.8 | 8.3 | 7.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.3 | 9.4 | 9.7 | 12.0 | 12.8 | 13.3 | 12.6 | 11.5 | 11.0 | 10.6 | 9.0 | 8.5 |
| Precipitation (mm) | 20 | 0 | 24 | 0 | 0 | 0 | 5 | 38 | 6 | 0 | 1 | 2 |
| Sunny days | 25 | 25 | 23 | 30 | 31 | 30 | 30 | 28 | 27 | 31 | 29 | 28 |
| Rainy days | 6 | 3 | 8 | 0 | 0 | 0 | 1 | 3 | 3 | 0 | 1 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio is at