Average annual temperature is 19.6 °C
Absolute maximum temperature: 41.6 °C
Absolute minimum temperature: -4.6 °C
Number of sunny days: 310 days
Number of rainy days: 54 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) | 22.0 | 24.4 | 26.7 | 32.2 | 34.5 | 40.6 | 40.8 | 41.6 | 37.9 | 31.6 | 29.4 | 22.8 |
| Average daytime temperature (°C) | 15.1 | 16.2 | 21.4 | 26.9 | 30.6 | 35.6 | 38.8 | 35.9 | 34.3 | 27.6 | 19.8 | 15.1 |
| Average temperature (°C) | 7.9 | 8.5 | 13.8 | 19.4 | 24.1 | 28.9 | 32.5 | 29.5 | 28.0 | 20.6 | 13.2 | 8.8 |
| Average night temperature (°C) | 1.8 | 2.5 | 6.7 | 11.2 | 16.4 | 20.6 | 24.8 | 22.5 | 20.4 | 13.3 | 7.1 | 2.4 |
| Absolute minimum temperature (°C) | -3.4 | -4.6 | -0.4 | -0.4 | 11.3 | 15.4 | 20.6 | 17.3 | 16.4 | -1.1 | 1.4 | -4.1 |
| 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) | 10.4 | 11.1 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.6 | 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) | 8.7 | 9.0 | 10.4 | 11.9 | 12.3 | 12.4 | 12.6 | 11.6 | 11.2 | 10.1 | 8.7 | 8.6 |
| Precipitation (mm) | 16 | 25 | 9 | 0 | 0 | 1 | 7 | 10 | 5 | 3 | 16 | 3 |
| Sunny days | 24 | 18 | 26 | 30 | 29 | 28 | 27 | 19 | 26 | 29 | 26 | 28 |
| Rainy days | 7 | 9 | 5 | 0 | 2 | 2 | 4 | 12 | 4 | 2 | 4 | 3 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio is at