Average annual temperature is 21.9 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: 15.4 °C
Number of sunny days: 13 days
Number of rainy days: 352 days
Look at detailed online map of Guillermo
* Weather data for Guillermo Peru is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 29.7 | 28.9 | 29.7 | 30.1 | 29.8 | 28.9 | 29.3 | 31.0 | 31.9 | 32.3 | 31.5 | 30.3 |
| Average daytime temperature (°C) | 26.8 | 26.4 | 26.6 | 27.5 | 27.0 | 27.1 | 27.6 | 28.8 | 29.5 | 29.4 | 28.5 | 27.5 |
| Average temperature (°C) | 21.3 | 21.4 | 21.3 | 21.9 | 21.8 | 21.3 | 21.5 | 22.0 | 22.5 | 23.0 | 22.6 | 22.3 |
| Average night temperature (°C) | 17.7 | 18.0 | 18.3 | 18.4 | 18.5 | 17.5 | 17.5 | 17.7 | 18.3 | 19.2 | 19.2 | 19.2 |
| Absolute minimum temperature (°C) | 16.8 | 16.8 | 17.2 | 16.8 | 16.6 | 15.4 | 15.8 | 15.8 | 15.8 | 17.5 | 17.9 | 17.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.4 | 12.3 | 12.1 | 12.0 | 11.8 | 11.8 | 11.8 | 11.9 | 12.1 | 12.2 | 12.4 | 12.5 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 9.0 | 9.0 | 7.2 | 8.9 | 9.8 | 10.4 | 10.4 | 10.2 | 10.5 | 9.6 | 9.4 | 8.6 |
| Precipitation (mm) | 165 | 147 | 346 | 190 | 191 | 69 | 102 | 79 | 99 | 147 | 176 | 245 |
| Sunny days | 0 | 0 | 0 | 1 | 0 | 3 | 1 | 5 | 1 | 2 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 29 | 31 | 27 | 30 | 26 | 29 | 29 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Guillermo is at