Average annual temperature is 20.5 °C
Absolute maximum temperature: 30.5 °C
Absolute minimum temperature: 13.5 °C
Number of sunny days: 338 days
Number of rainy days: 27 days
Look at detailed online map of Ilo
* Weather data for Ilo 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) | 27.5 | 30.5 | 30.2 | 28.5 | 24.1 | 22.1 | 20.6 | 20.8 | 21.4 | 24.4 | 23.3 | 26.4 |
| Average daytime temperature (°C) | 26.4 | 28.3 | 28.0 | 25.9 | 22.6 | 20.5 | 19.3 | 19.6 | 20.3 | 21.6 | 22.2 | 23.8 |
| Average temperature (°C) | 23.1 | 25.2 | 24.8 | 22.9 | 19.6 | 17.9 | 17.1 | 17.3 | 18.0 | 19.2 | 19.7 | 21.4 |
| Average night temperature (°C) | 20.2 | 22.3 | 21.8 | 20.0 | 16.8 | 15.5 | 14.8 | 15.1 | 15.7 | 16.8 | 17.3 | 19.1 |
| Absolute minimum temperature (°C) | 18.2 | 20.4 | 19.2 | 17.3 | 15.4 | 13.7 | 13.5 | 13.8 | 13.7 | 14.6 | 15.4 | 16.7 |
| 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 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 | 11.2 | 11.5 | 12.0 | 12.5 | 12.9 | 13.2 |
| 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) | 11.9 | 11.7 | 11.2 | 10.8 | 10.3 | 9.9 | 9.8 | 10.1 | 10.2 | 10.9 | 11.6 | 11.4 |
| Precipitation (mm) | 1 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 3 |
| Sunny days | 28 | 25 | 27 | 30 | 31 | 29 | 30 | 31 | 25 | 29 | 27 | 26 |
| Rainy days | 3 | 3 | 4 | 0 | 0 | 1 | 1 | 0 | 5 | 2 | 3 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ilo is at