Average annual temperature is 17.5 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: 4.4 °C
Number of sunny days: 214 days
Number of rainy days: 151 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) | 23.9 | 27.3 | 28.1 | 29.8 | 30.9 | 34.5 | 29.4 | 29.8 | 30.7 | 26.7 | 26.7 | 22.7 |
| Average daytime temperature (°C) | 20.5 | 22.6 | 25.4 | 26.9 | 27.9 | 30.3 | 25.4 | 25.7 | 26.1 | 23.5 | 22.5 | 19.5 |
| Average temperature (°C) | 14.0 | 15.1 | 16.5 | 18.4 | 19.7 | 21.2 | 19.1 | 19.1 | 19.6 | 17.3 | 16.4 | 13.8 |
| Average night temperature (°C) | 7.7 | 8.5 | 9.0 | 10.7 | 12.5 | 14.2 | 15.3 | 14.9 | 15.6 | 13.1 | 11.4 | 9.0 |
| Absolute minimum temperature (°C) | 5.0 | 6.5 | 6.4 | 7.4 | 10.1 | 10.8 | 13.2 | 12.5 | 13.9 | 9.1 | 5.7 | 4.4 |
| 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 | 10.5 | 11.2 | 11.7 | 11.7 | 11.9 | 10.6 | 10.4 | 11.0 | 9.3 | 9.8 | 8.7 |
| Precipitation (mm) | 4 | 0 | 0 | 0 | 3 | 23 | 243 | 163 | 123 | 166 | 93 | 39 |
| Sunny days | 27 | 28 | 31 | 27 | 27 | 22 | 1 | 2 | 2 | 7 | 17 | 23 |
| Rainy days | 4 | 0 | 0 | 3 | 4 | 8 | 30 | 29 | 28 | 24 | 13 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio is at