Average annual temperature is 18.3 °C
Absolute maximum temperature: 40.7 °C
Absolute minimum temperature: 3.3 °C
Number of sunny days: 323 days
Number of rainy days: 42 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) | 22.9 | 22.7 | 26.5 | 30.2 | 28.2 | 35.6 | 36.6 | 40.7 | 36.7 | 37.4 | 31.5 | 25.8 |
| Average daytime temperature (°C) | 15.6 | 15.5 | 19.6 | 23.4 | 22.0 | 27.3 | 32.7 | 33.0 | 29.8 | 28.7 | 22.9 | 20.2 |
| Average temperature (°C) | 11.3 | 10.8 | 13.7 | 16.3 | 15.3 | 20.2 | 26.2 | 27.5 | 23.4 | 22.1 | 18.2 | 14.6 |
| Average night temperature (°C) | 8.0 | 7.6 | 9.0 | 10.7 | 10.2 | 14.7 | 20.0 | 22.6 | 18.2 | 16.9 | 14.7 | 10.7 |
| Absolute minimum temperature (°C) | 3.3 | 4.2 | 4.5 | 5.1 | 6.1 | 9.5 | 14.3 | 16.2 | 12.1 | 9.9 | 10.3 | 5.4 |
| 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 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.2 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.5 | 10.7 | 10.3 |
| 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) | 8.5 | 9.1 | 10.1 | 11.7 | 12.0 | 12.1 | 12.7 | 11.5 | 11.2 | 10.5 | 9.1 | 8.8 |
| Precipitation (mm) | 61 | 23 | 18 | 0 | 0 | 0 | 0 | 47 | 1 | 1 | 7 | 57 |
| Sunny days | 23 | 19 | 24 | 30 | 30 | 28 | 31 | 28 | 29 | 30 | 24 | 27 |
| Rainy days | 8 | 9 | 7 | 0 | 1 | 2 | 0 | 3 | 1 | 1 | 6 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio is at