Average annual temperature is 20.2 °C
Absolute maximum temperature: 29.4 °C
Absolute minimum temperature: 13.4 °C
Number of sunny days: 326 days
Number of rainy days: 39 days
Look at detailed online map of Islay
* Weather data for Islay 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) | 26.5 | 29.4 | 28.3 | 27.8 | 24.7 | 22.3 | 21.5 | 21.4 | 22.2 | 23.7 | 23.6 | 25.7 |
| Average daytime temperature (°C) | 25.3 | 27.1 | 27.0 | 25.1 | 22.1 | 20.1 | 19.5 | 19.9 | 20.4 | 21.7 | 22.2 | 23.6 |
| Average temperature (°C) | 22.5 | 24.5 | 24.3 | 22.3 | 19.4 | 17.6 | 17.0 | 17.4 | 17.9 | 19.1 | 19.5 | 21.0 |
| Average night temperature (°C) | 19.8 | 22.3 | 21.8 | 19.6 | 17.2 | 15.6 | 15.0 | 15.3 | 15.9 | 16.9 | 17.2 | 18.9 |
| Absolute minimum temperature (°C) | 17.4 | 20.5 | 20.4 | 17.5 | 16.0 | 13.8 | 13.9 | 13.4 | 13.7 | 15.4 | 15.6 | 17.3 |
| 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 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.0 | 12.6 | 12.2 | 11.7 | 11.3 | 11.1 | 11.2 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 |
| 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 | 13.0 |
| Sunshine mean duration (h) | 11.8 | 11.5 | 11.3 | 10.7 | 10.1 | 10.0 | 9.8 | 10.2 | 10.4 | 10.8 | 11.3 | 11.6 |
| Precipitation (mm) | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 1 | 3 |
| Sunny days | 27 | 25 | 29 | 30 | 29 | 27 | 29 | 29 | 24 | 27 | 27 | 23 |
| Rainy days | 4 | 3 | 2 | 0 | 2 | 3 | 2 | 2 | 6 | 4 | 3 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Islay is at