Average annual temperature is 9.0 °C
Absolute maximum temperature: 22.2 °C
Absolute minimum temperature: -5.8 °C
Number of sunny days: 142 days
Number of rainy days: 223 days
Look at detailed online map of Isillua
* Weather data for Isillua 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) | 19.2 | 16.5 | 19.5 | 17.7 | 17.9 | 16.9 | 18.3 | 19.7 | 20.6 | 22.2 | 21.6 | 17.9 |
| Average daytime temperature (°C) | 15.4 | 14.6 | 14.9 | 15.3 | 14.9 | 15.2 | 16.6 | 16.2 | 18.2 | 18.6 | 17.8 | 16.1 |
| Average temperature (°C) | 9.4 | 9.0 | 9.0 | 8.2 | 7.7 | 6.7 | 7.8 | 7.9 | 10.1 | 11.2 | 10.8 | 10.3 |
| Average night temperature (°C) | 3.6 | 4.4 | 3.9 | 1.5 | 0.5 | -2.5 | -1.2 | -0.8 | 1.9 | 4.1 | 4.5 | 5.4 |
| Absolute minimum temperature (°C) | -1.4 | 1.9 | 0.5 | -0.7 | -4.3 | -5.8 | -4.4 | -4.7 | -3.2 | -1.3 | 0.6 | 2.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 13.0 |
| Daylight mean duration (h) | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 | 11.3 | 11.6 | 12.0 | 12.4 | 12.8 | 13.0 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 11.3 | 10.4 | 10.6 | 10.6 | 10.0 | 10.4 | 10.4 | 10.6 | 11.0 | 11.2 | 10.8 | 10.8 |
| Precipitation (mm) | 113 | 173 | 153 | 23 | 42 | 0 | 5 | 15 | 24 | 59 | 113 | 184 |
| Sunny days | 6 | 1 | 2 | 13 | 15 | 30 | 26 | 20 | 15 | 8 | 3 | 3 |
| Rainy days | 25 | 27 | 29 | 17 | 16 | 0 | 5 | 11 | 15 | 23 | 27 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Isillua is at