Average annual temperature is 19.0 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: -0.3 °C
Number of sunny days: 207 days
Number of rainy days: 158 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 | 23.6 | 24.3 | 29.1 | 29.7 | 34.4 | 30.5 | 31.6 | 31.9 | 31.3 | 27.2 | 24.7 |
| Average daytime temperature (°C) | 17.6 | 18.6 | 20.5 | 24.5 | 26.7 | 31.0 | 27.8 | 27.7 | 28.0 | 25.0 | 21.8 | 20.2 |
| Average temperature (°C) | 13.1 | 12.9 | 15.2 | 18.4 | 20.6 | 24.5 | 23.1 | 23.2 | 23.3 | 20.3 | 17.5 | 15.8 |
| Average night temperature (°C) | 8.2 | 8.0 | 10.2 | 12.5 | 14.4 | 18.8 | 19.7 | 19.8 | 19.6 | 16.1 | 13.1 | 11.1 |
| Absolute minimum temperature (°C) | -0.3 | 1.4 | 3.1 | 8.6 | 11.5 | 13.1 | 17.8 | 17.6 | 17.9 | 7.8 | 6.2 | 5.7 |
| 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 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.8 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.5 |
| 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) | 9.1 | 9.1 | 10.3 | 11.7 | 12.0 | 12.6 | 12.2 | 11.1 | 11.3 | 9.4 | 9.1 | 9.2 |
| Precipitation (mm) | 11 | 37 | 53 | 2 | 6 | 20 | 168 | 128 | 79 | 59 | 30 | 23 |
| Sunny days | 26 | 20 | 24 | 27 | 26 | 21 | 1 | 0 | 7 | 13 | 17 | 25 |
| Rainy days | 5 | 8 | 7 | 3 | 5 | 9 | 30 | 31 | 23 | 18 | 13 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio is at