Average annual temperature is 12.1 °C
Absolute maximum temperature: 23.5 °C
Absolute minimum temperature: -0.2 °C
Number of sunny days: 118 days
Number of rainy days: 247 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) | 20.0 | 17.9 | 18.4 | 19.9 | 20.3 | 19.7 | 21.7 | 23.5 | 22.4 | 22.7 | 23.4 | 21.6 |
| Average daytime temperature (°C) | 16.7 | 16.0 | 16.0 | 17.4 | 17.3 | 18.0 | 19.2 | 19.7 | 19.8 | 20.6 | 20.3 | 19.5 |
| Average temperature (°C) | 11.8 | 11.7 | 11.6 | 11.8 | 11.4 | 10.9 | 11.2 | 11.6 | 12.5 | 13.4 | 13.6 | 13.7 |
| Average night temperature (°C) | 7.9 | 8.4 | 7.9 | 7.0 | 5.8 | 4.4 | 3.9 | 4.0 | 6.5 | 7.9 | 8.6 | 9.3 |
| Absolute minimum temperature (°C) | 5.1 | 4.4 | 4.5 | 3.3 | 2.2 | -0.2 | 0.7 | 1.1 | 2.9 | 4.2 | 5.1 | 6.1 |
| 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 | 11.3 | 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) | 10.0 | 9.4 | 9.7 | 10.4 | 10.1 | 10.5 | 10.5 | 10.8 | 10.8 | 11.1 | 10.9 | 10.5 |
| Precipitation (mm) | 146 | 109 | 134 | 32 | 51 | 1 | 3 | 4 | 28 | 35 | 43 | 65 |
| Sunny days | 2 | 0 | 0 | 4 | 15 | 27 | 25 | 25 | 7 | 5 | 6 | 2 |
| Rainy days | 29 | 28 | 31 | 26 | 16 | 3 | 6 | 6 | 23 | 26 | 24 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Isjana is at