Average annual temperature is 12.8 °C
Absolute maximum temperature: 24.3 °C
Absolute minimum temperature: 0.9 °C
Number of sunny days: 95 days
Number of rainy days: 270 days
Look at detailed online map of Isjana
* Weather data for Isjana 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) | 20.5 | 19.4 | 19.9 | 20.7 | 20.2 | 20.3 | 21.9 | 24.3 | 22.7 | 22.2 | 23.0 | 20.8 |
| Average daytime temperature (°C) | 17.4 | 17.1 | 17.7 | 18.5 | 18.2 | 18.9 | 19.7 | 20.1 | 19.6 | 20.5 | 20.2 | 19.5 |
| Average temperature (°C) | 12.7 | 12.8 | 12.8 | 12.7 | 11.8 | 11.0 | 11.4 | 12.4 | 13.0 | 14.3 | 14.6 | 14.2 |
| Average night temperature (°C) | 8.7 | 9.5 | 8.8 | 7.6 | 5.8 | 3.8 | 4.1 | 5.1 | 7.1 | 8.9 | 10.0 | 9.8 |
| Absolute minimum temperature (°C) | 6.0 | 6.3 | 6.6 | 4.3 | 2.2 | 0.9 | 0.9 | 2.3 | 4.2 | 5.8 | 7.2 | 7.4 |
| 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) | 12.8 | 12.5 | 12.2 | 11.8 | 11.5 | 11.4 | 11.4 | 11.7 | 12.0 | 12.4 | 12.7 | 12.9 |
| 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) | 10.4 | 9.8 | 10.2 | 10.4 | 10.2 | 10.3 | 10.5 | 10.9 | 11.0 | 10.8 | 10.5 | 10.5 |
| Precipitation (mm) | 168 | 130 | 104 | 52 | 43 | 3 | 3 | 9 | 46 | 54 | 92 | 128 |
| Sunny days | 1 | 0 | 1 | 5 | 11 | 21 | 25 | 15 | 6 | 5 | 5 | 0 |
| Rainy days | 30 | 28 | 30 | 25 | 20 | 9 | 6 | 16 | 24 | 26 | 25 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Isjana is at