Average annual temperature is 14.5 °C
Absolute maximum temperature: 26.1 °C
Absolute minimum temperature: 3.2 °C
Number of sunny days: 121 days
Number of rainy days: 244 days
Look at detailed online map of San Juan de Chacña
* Weather data for San Juan de Chacña 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) | 24.3 | 21.4 | 22.0 | 21.8 | 21.3 | 21.5 | 24.2 | 25.2 | 25.5 | 25.5 | 26.1 | 24.0 |
| Average daytime temperature (°C) | 20.1 | 19.5 | 19.2 | 19.5 | 19.1 | 20.1 | 22.5 | 22.6 | 22.3 | 23.2 | 22.8 | 21.3 |
| Average temperature (°C) | 14.4 | 14.5 | 14.3 | 14.3 | 13.4 | 13.3 | 13.5 | 14.0 | 14.8 | 15.9 | 15.9 | 15.7 |
| Average night temperature (°C) | 10.1 | 11.1 | 10.7 | 9.7 | 8.1 | 7.6 | 6.6 | 6.9 | 8.5 | 10.1 | 10.4 | 11.3 |
| Absolute minimum temperature (°C) | 6.5 | 7.7 | 6.5 | 6.5 | 3.5 | 4.6 | 3.2 | 3.6 | 5.4 | 7.0 | 6.7 | 8.2 |
| 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 | 12.8 | 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) | 9.7 | 9.3 | 9.5 | 10.3 | 10.1 | 10.5 | 10.5 | 10.8 | 10.9 | 10.8 | 10.5 | 10.2 |
| Precipitation (mm) | 159 | 225 | 223 | 54 | 58 | 1 | 8 | 8 | 65 | 66 | 148 | 120 |
| Sunny days | 2 | 0 | 1 | 9 | 13 | 28 | 28 | 18 | 7 | 6 | 6 | 3 |
| Rainy days | 29 | 28 | 30 | 21 | 18 | 2 | 3 | 13 | 23 | 25 | 24 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan de Chacña is at