Average annual temperature is 4.9 °C
Absolute maximum temperature: 15.7 °C
Absolute minimum temperature: -4.5 °C
Number of sunny days: 75 days
Number of rainy days: 289 days
Number of snow days: 1 day
Look at detailed online map of Irayo
* Weather data for Irayo 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) | 12.2 | 11.1 | 12.1 | 12.1 | 13.2 | 12.3 | 14.3 | 15.7 | 13.5 | 13.9 | 13.7 | 12.9 |
| Average daytime temperature (°C) | 9.6 | 9.4 | 9.6 | 10.0 | 10.0 | 10.5 | 12.1 | 13.1 | 11.3 | 11.8 | 11.6 | 11.3 |
| Average temperature (°C) | 4.2 | 4.6 | 4.5 | 4.4 | 4.1 | 3.8 | 4.6 | 5.6 | 5.2 | 5.8 | 5.5 | 6.1 |
| Average night temperature (°C) | 0.3 | 1.1 | 0.9 | 0.1 | -0.7 | -2.2 | -2.0 | -0.9 | 0.5 | 1.2 | 1.4 | 2.5 |
| Absolute minimum temperature (°C) | -3.3 | -2.4 | -3.0 | -2.7 | -3.2 | -4.5 | -4.4 | -3.7 | -2.5 | -1.6 | -2.6 | 0.5 |
| 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) | 12.7 | 12.5 | 12.2 | 11.8 | 11.6 | 11.4 | 11.5 | 11.7 | 12.0 | 12.4 | 12.7 | 12.8 |
| 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) | 8.8 | 8.5 | 8.8 | 9.7 | 9.9 | 10.4 | 10.6 | 10.7 | 10.2 | 10.1 | 9.2 | 9.0 |
| Precipitation (mm) | 206 | 222 | 178 | 80 | 50 | 4 | 1 | 18 | 100 | 137 | 234 | 205 |
| Sunny days | 0 | 0 | 0 | 4 | 5 | 22 | 26 | 14 | 3 | 1 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 26 | 26 | 8 | 5 | 16 | 27 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Irayo is at