Average annual temperature is 8.5 °C
Absolute maximum temperature: 19.5 °C
Absolute minimum temperature: -2.5 °C
Number of sunny days: 84 days
Number of rainy days: 281 days
Look at detailed online map of Cayán
* Weather data for Cayán 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) | 15.6 | 15.1 | 15.3 | 15.0 | 15.6 | 15.8 | 18.0 | 19.5 | 17.5 | 17.3 | 16.8 | 15.8 |
| Average daytime temperature (°C) | 13.0 | 13.4 | 13.0 | 13.4 | 13.7 | 14.4 | 15.7 | 15.7 | 14.6 | 14.7 | 14.7 | 14.2 |
| Average temperature (°C) | 8.0 | 8.7 | 8.2 | 8.0 | 7.8 | 7.3 | 8.0 | 8.5 | 8.6 | 9.3 | 9.6 | 9.6 |
| Average night temperature (°C) | 4.3 | 5.2 | 4.8 | 3.8 | 2.7 | 1.2 | 0.9 | 2.0 | 3.4 | 4.8 | 5.7 | 6.1 |
| Absolute minimum temperature (°C) | 1.8 | 2.5 | 2.7 | 1.5 | -0.8 | -2.5 | -1.6 | 0.0 | 0.2 | 2.6 | 1.2 | 4.0 |
| 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 | 11.5 | 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) | 8.7 | 9.2 | 8.5 | 9.9 | 9.9 | 10.6 | 10.6 | 10.9 | 10.5 | 9.9 | 9.5 | 8.8 |
| Precipitation (mm) | 125 | 124 | 166 | 84 | 40 | 2 | 1 | 7 | 39 | 67 | 78 | 71 |
| Sunny days | 1 | 0 | 1 | 0 | 9 | 21 | 28 | 19 | 3 | 1 | 1 | 0 |
| Rainy days | 30 | 28 | 30 | 30 | 22 | 9 | 3 | 12 | 27 | 30 | 29 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Cayán is at