Average annual temperature is 8.4 °C
Absolute maximum temperature: 16.4 °C
Absolute minimum temperature: 1.1 °C
Number of sunny days: 26 days
Number of rainy days: 339 days
Look at detailed online map of Illaullo
* Weather data for Illaullo 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) | 13.5 | 14.0 | 15.7 | 13.6 | 14.3 | 14.5 | 14.8 | 16.2 | 14.8 | 15.2 | 16.4 | 15.0 |
| Average daytime temperature (°C) | 11.7 | 12.4 | 12.1 | 12.2 | 12.7 | 12.7 | 13.5 | 13.7 | 13.3 | 13.3 | 13.4 | 13.1 |
| Average temperature (°C) | 8.0 | 8.6 | 8.2 | 8.3 | 8.6 | 7.7 | 7.8 | 8.0 | 8.3 | 8.8 | 9.1 | 9.3 |
| Average night temperature (°C) | 5.0 | 5.6 | 5.5 | 5.1 | 5.0 | 3.3 | 3.1 | 3.4 | 4.1 | 5.2 | 5.9 | 6.3 |
| Absolute minimum temperature (°C) | 2.6 | 3.5 | 3.4 | 3.4 | 3.1 | 1.3 | 1.3 | 1.1 | 2.3 | 2.9 | 4.1 | 4.5 |
| 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) | 12.5 | 12.4 | 12.1 | 11.9 | 11.7 | 11.6 | 11.7 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 |
| 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) | 8.7 | 8.8 | 8.1 | 9.7 | 9.9 | 10.9 | 10.9 | 11.0 | 11.1 | 10.1 | 9.6 | 8.7 |
| Precipitation (mm) | 270 | 217 | 333 | 226 | 74 | 29 | 19 | 60 | 117 | 233 | 179 | 298 |
| Sunny days | 0 | 0 | 0 | 0 | 0 | 10 | 6 | 7 | 0 | 0 | 3 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 31 | 20 | 25 | 24 | 30 | 31 | 27 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Illaullo is at