Average annual temperature is 20.7 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: 0.0 °C
Number of sunny days: 280 days
Number of rainy days: 85 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) | 28.4 | 30.0 | 32.4 | 34.1 | 33.0 | 38.1 | 34.7 | 35.2 | 34.2 | 31.1 | 28.5 | 23.0 |
| Average daytime temperature (°C) | 24.3 | 25.8 | 29.2 | 29.0 | 30.2 | 35.0 | 32.0 | 32.0 | 31.2 | 25.9 | 21.8 | 19.3 |
| Average temperature (°C) | 15.5 | 17.1 | 20.8 | 21.7 | 22.9 | 27.9 | 25.1 | 25.3 | 24.8 | 19.7 | 15.0 | 12.6 |
| Average night temperature (°C) | 7.9 | 9.5 | 12.1 | 14.2 | 15.9 | 19.9 | 18.3 | 18.6 | 17.8 | 14.2 | 9.7 | 6.9 |
| Absolute minimum temperature (°C) | 3.6 | 1.6 | 5.0 | 8.9 | 12.3 | 17.3 | 16.3 | 16.1 | 15.3 | 7.8 | 3.0 | 0.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 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 | 12.7 | 13.3 | 13.6 | 13.5 | 13.0 | 12.3 | 11.6 | 11.0 | 10.7 |
| 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) | 9.8 | 10.1 | 11.1 | 11.2 | 11.6 | 12.4 | 12.1 | 11.8 | 11.4 | 9.3 | 8.1 | 8.4 |
| Precipitation (mm) | 0 | 0 | 2 | 10 | 21 | 0 | 29 | 9 | 10 | 70 | 90 | 4 |
| Sunny days | 30 | 28 | 27 | 24 | 21 | 27 | 18 | 20 | 23 | 17 | 18 | 27 |
| Rainy days | 1 | 0 | 4 | 6 | 10 | 3 | 13 | 11 | 7 | 14 | 12 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio is at