Average annual temperature is 22.7 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: 10.6 °C
Number of sunny days: 76 days
Number of rainy days: 289 days
Look at detailed online map of Santo Tomás
* Weather data for Santo Tomás 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) | 29.0 | 30.4 | 34.1 | 36.4 | 35.6 | 36.2 | 30.2 | 31.7 | 30.1 | 32.1 | 29.5 | 29.5 |
| Average daytime temperature (°C) | 25.5 | 25.7 | 29.4 | 31.5 | 31.7 | 32.5 | 28.8 | 29.4 | 28.8 | 27.8 | 25.5 | 23.9 |
| Average temperature (°C) | 19.7 | 20.1 | 22.6 | 24.2 | 24.9 | 26.0 | 23.4 | 23.7 | 23.4 | 22.8 | 21.6 | 19.6 |
| Average night temperature (°C) | 15.9 | 16.1 | 17.1 | 18.0 | 19.3 | 20.5 | 19.6 | 19.7 | 19.8 | 19.6 | 19.1 | 16.6 |
| Absolute minimum temperature (°C) | 11.1 | 12.7 | 15.1 | 15.0 | 17.2 | 17.7 | 17.2 | 17.9 | 18.5 | 16.0 | 16.4 | 10.6 |
| 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 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 8.5 | 8.8 | 10.4 | 11.1 | 10.7 | 11.1 | 9.5 | 10.4 | 9.7 | 8.6 | 6.8 | 6.8 |
| Precipitation (mm) | 78 | 73 | 53 | 34 | 66 | 132 | 206 | 203 | 169 | 204 | 185 | 121 |
| Sunny days | 14 | 9 | 15 | 15 | 8 | 7 | 0 | 0 | 0 | 0 | 2 | 6 |
| Rainy days | 17 | 19 | 16 | 15 | 23 | 23 | 31 | 31 | 30 | 31 | 28 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Santo Tomás is at