Average annual temperature is 18.8 °C
Absolute maximum temperature: 43.0 °C
Absolute minimum temperature: 3.4 °C
Number of sunny days: 324 days
Number of rainy days: 41 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) | 24.9 | 25.7 | 25.8 | 32.2 | 30.0 | 35.8 | 39.9 | 43.0 | 39.9 | 38.2 | 33.1 | 26.5 |
| Average daytime temperature (°C) | 17.6 | 17.8 | 19.6 | 25.4 | 24.0 | 28.1 | 35.9 | 35.1 | 31.0 | 30.0 | 24.4 | 21.5 |
| Average temperature (°C) | 11.8 | 11.6 | 13.1 | 17.0 | 16.7 | 20.0 | 28.1 | 27.8 | 23.6 | 22.1 | 18.0 | 14.9 |
| Average night temperature (°C) | 7.4 | 6.6 | 8.2 | 10.5 | 11.1 | 13.6 | 20.7 | 22.0 | 17.8 | 16.1 | 12.6 | 9.7 |
| Absolute minimum temperature (°C) | 3.6 | 3.6 | 3.4 | 5.9 | 7.5 | 10.0 | 13.9 | 16.4 | 12.0 | 10.4 | 7.4 | 5.5 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.2 | 12.3 | 11.4 | 10.6 | 10.2 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.6 | 8.9 | 9.8 | 11.9 | 12.3 | 12.3 | 12.8 | 11.3 | 11.2 | 10.6 | 9.0 | 8.6 |
| Precipitation (mm) | 28 | 16 | 46 | 0 | 0 | 0 | 0 | 43 | 0 | 0 | 36 | 51 |
| Sunny days | 24 | 17 | 22 | 30 | 31 | 30 | 31 | 28 | 28 | 31 | 25 | 27 |
| Rainy days | 7 | 11 | 9 | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 5 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio is at