Average annual temperature is 8.8 °C
Absolute maximum temperature: 18.9 °C
Absolute minimum temperature: -1.5 °C
Number of sunny days: 56 days
Number of rainy days: 309 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) | 18.0 | 15.5 | 15.8 | 16.3 | 15.2 | 15.8 | 18.0 | 18.6 | 17.5 | 18.8 | 18.9 | 17.0 |
| Average daytime temperature (°C) | 14.0 | 13.8 | 13.4 | 13.7 | 13.4 | 14.3 | 15.8 | 15.5 | 14.8 | 15.8 | 15.7 | 14.7 |
| Average temperature (°C) | 8.9 | 9.2 | 8.9 | 8.8 | 7.8 | 7.4 | 7.9 | 8.0 | 8.5 | 9.8 | 9.9 | 10.0 |
| Average night temperature (°C) | 4.8 | 6.0 | 5.7 | 4.5 | 2.8 | 1.7 | 1.5 | 1.6 | 3.2 | 4.8 | 5.2 | 6.3 |
| Absolute minimum temperature (°C) | 1.9 | 2.5 | 2.5 | 1.4 | -1.5 | -0.9 | -0.7 | -1.2 | -0.5 | 2.3 | 2.3 | 3.4 |
| 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 | 11.3 | 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) | 8.9 | 8.3 | 8.4 | 9.9 | 9.9 | 10.5 | 10.6 | 10.8 | 10.6 | 10.6 | 10.1 | 9.2 |
| Precipitation (mm) | 264 | 286 | 300 | 118 | 56 | 10 | 16 | 30 | 106 | 125 | 205 | 252 |
| Sunny days | 1 | 0 | 0 | 0 | 6 | 15 | 17 | 9 | 4 | 1 | 3 | 0 |
| Rainy days | 30 | 28 | 31 | 30 | 25 | 15 | 14 | 22 | 26 | 30 | 27 | 31 |
| 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