Average annual temperature is 26.4 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: 12.8 °C
Number of sunny days: 137 days
Number of rainy days: 228 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) | 34.6 | 34.7 | 33.4 | 35.1 | 35.4 | 33.8 | 34.7 | 35.1 | 34.0 | 33.7 | 33.6 | 34.5 |
| Average daytime temperature (°C) | 31.1 | 32.2 | 31.8 | 32.6 | 33.6 | 31.8 | 32.5 | 32.4 | 32.4 | 31.3 | 31.9 | 32.1 |
| Average temperature (°C) | 24.9 | 25.7 | 26.1 | 27.2 | 28.4 | 27.3 | 26.7 | 26.7 | 26.4 | 26.0 | 26.0 | 25.0 |
| Average night temperature (°C) | 19.3 | 19.9 | 20.9 | 22.7 | 23.7 | 23.6 | 21.9 | 22.1 | 21.6 | 21.9 | 21.1 | 18.2 |
| Absolute minimum temperature (°C) | 17.3 | 17.4 | 18.8 | 20.6 | 21.5 | 21.5 | 20.6 | 20.9 | 19.6 | 18.4 | 18.5 | 12.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.1 | 12.5 | 12.9 | 13.0 | 13.0 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 |
| 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) | 10.5 | 10.8 | 11.0 | 11.3 | 11.5 | 10.8 | 10.5 | 10.3 | 10.6 | 9.8 | 10.3 | 10.2 |
| Precipitation (mm) | 2 | 0 | 15 | 22 | 83 | 160 | 243 | 215 | 210 | 215 | 67 | 15 |
| Sunny days | 27 | 26 | 19 | 19 | 11 | 1 | 3 | 3 | 0 | 3 | 4 | 21 |
| Rainy days | 4 | 2 | 12 | 11 | 20 | 29 | 28 | 28 | 30 | 28 | 26 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Santo Tomás is at