Average annual temperature is 20.7 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: 4.1 °C
Number of sunny days: 252 days
Number of rainy days: 113 days
Look at detailed online map of San Antonio Texas
* Weather data for San Antonio Texas 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) | 27.7 | 31.4 | 33.2 | 34.0 | 34.1 | 37.5 | 33.3 | 32.1 | 35.2 | 32.5 | 30.3 | 24.5 |
| Average daytime temperature (°C) | 24.9 | 27.3 | 30.3 | 31.4 | 31.6 | 34.8 | 29.5 | 29.2 | 30.6 | 27.9 | 26.4 | 21.3 |
| Average temperature (°C) | 16.4 | 18.2 | 21.4 | 22.9 | 23.4 | 26.1 | 22.2 | 21.9 | 22.6 | 20.4 | 18.1 | 14.4 |
| Average night temperature (°C) | 8.4 | 9.8 | 12.3 | 14.1 | 15.0 | 17.3 | 15.9 | 16.0 | 15.3 | 14.4 | 11.1 | 8.9 |
| Absolute minimum temperature (°C) | 5.0 | 5.0 | 6.8 | 11.1 | 13.0 | 14.8 | 12.8 | 13.1 | 13.5 | 8.4 | 7.7 | 4.1 |
| 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) | 11.0 | 11.5 | 12.0 | 12.6 | 13.1 | 13.4 | 13.3 | 12.8 | 12.3 | 11.7 | 11.2 | 10.9 |
| 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) | 10.0 | 10.5 | 11.1 | 11.6 | 11.8 | 12.4 | 12.0 | 11.0 | 11.3 | 9.9 | 9.9 | 8.2 |
| Precipitation (mm) | 1 | 0 | 9 | 0 | 29 | 15 | 74 | 82 | 56 | 37 | 32 | 41 |
| Sunny days | 27 | 27 | 22 | 27 | 21 | 24 | 12 | 10 | 25 | 17 | 24 | 16 |
| Rainy days | 4 | 1 | 9 | 3 | 10 | 6 | 19 | 21 | 5 | 14 | 6 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio Texas is at