Average annual temperature is 25.1 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: 13.2 °C
Number of sunny days: 124 days
Number of rainy days: 241 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) | 29.1 | 30.9 | 35.1 | 38.5 | 37.3 | 38.6 | 32.1 | 32.9 | 31.9 | 33.2 | 29.5 | 29.6 |
| Average daytime temperature (°C) | 26.4 | 27.4 | 31.8 | 34.1 | 33.7 | 34.6 | 30.8 | 30.7 | 30.3 | 29.2 | 26.4 | 25.0 |
| Average temperature (°C) | 22.1 | 22.6 | 25.8 | 27.7 | 27.7 | 28.7 | 25.9 | 25.9 | 25.6 | 24.9 | 23.1 | 21.6 |
| Average night temperature (°C) | 19.0 | 19.1 | 21.2 | 22.3 | 22.6 | 23.7 | 22.3 | 22.4 | 21.9 | 21.7 | 20.8 | 19.0 |
| Absolute minimum temperature (°C) | 13.2 | 14.1 | 18.8 | 19.5 | 19.1 | 21.3 | 21.4 | 20.6 | 20.5 | 19.1 | 18.7 | 14.6 |
| 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 | 11.7 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.7 | 9.7 | 10.9 | 11.3 | 11.5 | 11.3 | 11.0 | 11.3 | 10.4 | 10.0 | 8.4 | 7.8 |
| Precipitation (mm) | 79 | 58 | 18 | 33 | 31 | 150 | 228 | 215 | 192 | 208 | 206 | 127 |
| Sunny days | 15 | 11 | 17 | 22 | 20 | 12 | 0 | 5 | 2 | 4 | 5 | 11 |
| Rainy days | 16 | 17 | 14 | 8 | 11 | 18 | 31 | 26 | 28 | 27 | 25 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Santo Tomás is at