Average annual temperature is 9.6 °C
Absolute maximum temperature: 17.6 °C
Absolute minimum temperature: 3.1 °C
Number of sunny days: 90 days
Number of rainy days: 275 days
Look at detailed online map of San Juan de Iris
* Weather data for San Juan de Iris 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) | 12.0 | 14.1 | 13.9 | 14.3 | 15.3 | 17.4 | 17.4 | 17.6 | 17.0 | 14.4 | 14.3 | 14.9 |
| Average daytime temperature (°C) | 10.3 | 11.5 | 11.4 | 12.4 | 13.7 | 14.8 | 15.0 | 15.0 | 15.3 | 12.2 | 12.5 | 12.7 |
| Average temperature (°C) | 7.8 | 9.0 | 8.8 | 9.3 | 9.9 | 10.0 | 10.4 | 10.4 | 10.6 | 9.3 | 9.5 | 10.0 |
| Average night temperature (°C) | 5.4 | 7.1 | 6.8 | 6.5 | 6.3 | 5.6 | 6.1 | 6.2 | 6.2 | 6.5 | 6.6 | 7.5 |
| Absolute minimum temperature (°C) | 3.1 | 4.7 | 4.8 | 4.3 | 3.1 | 4.0 | 3.9 | 3.7 | 4.5 | 4.0 | 3.7 | 5.3 |
| 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 | 12.6 | 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) | 7.5 | 7.7 | 8.0 | 8.8 | 10.6 | 10.7 | 10.7 | 11.0 | 11.0 | 9.8 | 10.2 | 9.2 |
| Precipitation (mm) | 456 | 493 | 657 | 357 | 47 | 11 | 3 | 3 | 98 | 416 | 203 | 452 |
| Sunny days | 0 | 0 | 0 | 0 | 8 | 23 | 29 | 25 | 5 | 0 | 0 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 23 | 7 | 2 | 6 | 25 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan de Iris is at