Average annual temperature is 23.6 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: 7.1 °C
Number of sunny days: 175 days
Number of rainy days: 190 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) | 30.4 | 35.6 | 38.8 | 34.6 | 35.1 | 39.7 | 34.8 | 36.4 | 35.6 | 33.9 | 29.4 | 28.5 |
| Average daytime temperature (°C) | 25.2 | 25.5 | 29.6 | 29.1 | 31.2 | 34.4 | 33.0 | 33.8 | 34.0 | 28.6 | 23.9 | 22.1 |
| Average temperature (°C) | 19.7 | 19.3 | 22.8 | 23.7 | 25.5 | 28.3 | 27.2 | 27.7 | 27.7 | 23.7 | 19.4 | 18.0 |
| Average night temperature (°C) | 15.3 | 14.5 | 17.9 | 19.5 | 21.0 | 23.1 | 22.3 | 22.7 | 22.4 | 19.8 | 16.0 | 14.7 |
| Absolute minimum temperature (°C) | 7.9 | 7.1 | 9.6 | 15.7 | 16.3 | 21.3 | 19.8 | 20.6 | 20.7 | 10.3 | 10.8 | 10.1 |
| 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) | 10.9 | 11.4 | 12.0 | 12.7 | 13.2 | 13.5 | 13.4 | 12.9 | 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) | 8.8 | 9.6 | 9.8 | 10.1 | 11.3 | 12.0 | 12.1 | 11.4 | 11.2 | 8.9 | 7.7 | 6.5 |
| Precipitation (mm) | 8 | 8 | 15 | 105 | 126 | 32 | 59 | 69 | 43 | 99 | 21 | 34 |
| Sunny days | 23 | 21 | 20 | 10 | 8 | 16 | 7 | 7 | 12 | 13 | 19 | 19 |
| Rainy days | 8 | 7 | 11 | 20 | 23 | 14 | 24 | 24 | 18 | 18 | 11 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio is at