Average annual temperature is 25.2 °C
Absolute maximum temperature: 46.3 °C
Absolute minimum temperature: 4.4 °C
Number of sunny days: 243 days
Number of rainy days: 122 days
Look at detailed online map of Guillermo
* Weather data for Guillermo 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) | 32.3 | 36.6 | 39.1 | 36.8 | 39.2 | 46.3 | 43.6 | 43.3 | 41.6 | 38.6 | 32.6 | 28.0 |
| Average daytime temperature (°C) | 26.6 | 27.6 | 32.0 | 30.0 | 32.4 | 39.2 | 39.4 | 39.7 | 38.3 | 31.3 | 23.9 | 23.0 |
| Average temperature (°C) | 19.7 | 19.4 | 23.6 | 23.8 | 26.5 | 31.3 | 31.8 | 32.2 | 31.4 | 25.3 | 19.0 | 17.7 |
| Average night temperature (°C) | 14.5 | 13.9 | 18.4 | 19.3 | 22.1 | 25.4 | 26.2 | 26.7 | 26.1 | 21.0 | 15.3 | 13.5 |
| Absolute minimum temperature (°C) | 5.4 | 4.4 | 7.2 | 14.3 | 18.6 | 20.8 | 24.2 | 25.1 | 23.2 | 9.5 | 9.1 | 6.7 |
| 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) | 10.7 | 11.3 | 12.0 | 12.8 | 13.4 | 13.7 | 13.6 | 13.0 | 12.3 | 11.6 | 10.9 | 10.6 |
| 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) | 7.9 | 9.3 | 8.6 | 8.9 | 10.3 | 12.3 | 12.6 | 11.7 | 10.9 | 8.1 | 5.8 | 6.6 |
| Precipitation (mm) | 5 | 4 | 40 | 88 | 178 | 26 | 14 | 13 | 19 | 33 | 95 | 18 |
| Sunny days | 28 | 24 | 24 | 12 | 12 | 22 | 21 | 20 | 19 | 18 | 18 | 25 |
| Rainy days | 3 | 4 | 7 | 18 | 19 | 8 | 10 | 11 | 11 | 13 | 12 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Guillermo during the most sunny months:
The largest precipitation sum in Guillermo is at