Average annual temperature is 17.5 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: -0.3 °C
Number of sunny days: 278 days
Number of rainy days: 87 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 | 27.3 | 29.6 | 29.7 | 32.3 | 36.1 | 31.6 | 32.8 | 32.4 | 28.6 | 25.5 | 22.4 |
| Average daytime temperature (°C) | 19.7 | 21.2 | 25.5 | 26.4 | 27.9 | 32.7 | 27.9 | 28.6 | 29.3 | 22.2 | 20.7 | 18.5 |
| Average temperature (°C) | 11.5 | 12.5 | 16.1 | 17.8 | 19.6 | 24.4 | 22.0 | 22.0 | 22.4 | 16.4 | 13.6 | 11.2 |
| Average night temperature (°C) | 5.1 | 6.0 | 8.7 | 10.4 | 12.6 | 16.7 | 16.2 | 16.0 | 15.9 | 11.9 | 8.6 | 5.1 |
| Absolute minimum temperature (°C) | 0.3 | 0.3 | 2.2 | 7.1 | 8.5 | 12.1 | 13.8 | 13.8 | 13.5 | 6.1 | 0.4 | -0.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.8 | 11.3 | 12.0 | 12.8 | 13.4 | 13.7 | 13.5 | 13.0 | 12.3 | 11.6 | 10.9 | 10.6 |
| 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) | 9.7 | 10.1 | 10.9 | 11.1 | 11.2 | 11.9 | 11.7 | 11.4 | 11.2 | 8.2 | 8.5 | 9.1 |
| Precipitation (mm) | 0 | 0 | 2 | 1 | 14 | 28 | 61 | 29 | 5 | 62 | 26 | 0 |
| Sunny days | 31 | 28 | 29 | 28 | 20 | 25 | 15 | 13 | 24 | 13 | 23 | 29 |
| Rainy days | 0 | 0 | 2 | 2 | 11 | 5 | 16 | 18 | 6 | 18 | 7 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio is at