Average annual temperature is 5.5 °C
Absolute maximum temperature: 16.9 °C
Absolute minimum temperature: -7.1 °C
Number of sunny days: 86 days
Number of rainy days: 279 days
Look at detailed online map of Islane
* Weather data for Islane 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) | 15.1 | 13.8 | 14.4 | 14.6 | 13.4 | 13.7 | 16.4 | 16.5 | 14.8 | 16.9 | 16.7 | 16.2 |
| Average daytime temperature (°C) | 11.7 | 11.4 | 11.4 | 12.1 | 11.0 | 12.0 | 13.6 | 13.1 | 12.7 | 14.2 | 13.0 | 13.0 |
| Average temperature (°C) | 5.8 | 6.1 | 5.9 | 5.4 | 4.4 | 3.4 | 4.6 | 4.6 | 4.9 | 6.9 | 7.0 | 7.3 |
| Average night temperature (°C) | 0.8 | 1.7 | 1.4 | -0.1 | -1.3 | -3.1 | -2.3 | -2.5 | -1.4 | 0.9 | 2.1 | 2.4 |
| Absolute minimum temperature (°C) | -4.5 | -2.2 | -1.9 | -2.7 | -4.9 | -6.4 | -6.4 | -6.8 | -7.1 | -3.1 | -1.0 | -0.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.3 | 11.4 | 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) | 9.6 | 9.7 | 10.0 | 10.1 | 10.0 | 10.5 | 10.4 | 10.6 | 10.5 | 10.8 | 10.0 | 9.4 |
| Precipitation (mm) | 116 | 176 | 116 | 58 | 67 | 0 | 12 | 13 | 67 | 59 | 112 | 163 |
| Sunny days | 0 | 0 | 0 | 3 | 13 | 30 | 23 | 13 | 4 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 27 | 18 | 0 | 8 | 18 | 26 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Islane is at