Average annual temperature is 8.8 °C
Absolute maximum temperature: 18.2 °C
Absolute minimum temperature: -0.2 °C
Number of sunny days: 47 days
Number of rainy days: 318 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) | 15.4 | 15.0 | 16.4 | 15.1 | 16.1 | 15.5 | 17.5 | 18.2 | 17.4 | 16.8 | 16.7 | 16.3 |
| Average daytime temperature (°C) | 12.9 | 13.7 | 13.6 | 13.9 | 14.1 | 14.1 | 15.4 | 15.5 | 15.2 | 14.6 | 14.4 | 14.2 |
| Average temperature (°C) | 8.6 | 9.3 | 8.9 | 8.8 | 8.8 | 7.5 | 8.1 | 8.5 | 8.9 | 9.3 | 9.5 | 9.7 |
| Average night temperature (°C) | 4.7 | 5.6 | 5.3 | 4.2 | 3.9 | 1.6 | 2.0 | 2.5 | 3.2 | 4.7 | 5.7 | 6.3 |
| Absolute minimum temperature (°C) | 1.7 | 1.8 | 2.3 | 1.4 | 1.4 | -0.2 | 0.1 | 1.0 | 1.2 | 1.7 | 3.8 | 3.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.6 | 12.4 | 12.1 | 11.9 | 11.7 | 11.6 | 11.7 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 7.8 | 8.7 | 7.5 | 9.1 | 9.8 | 10.7 | 10.8 | 11.0 | 10.9 | 9.6 | 8.6 | 7.6 |
| Precipitation (mm) | 180 | 176 | 169 | 99 | 50 | 9 | 18 | 23 | 42 | 176 | 202 | 172 |
| Sunny days | 0 | 0 | 1 | 3 | 3 | 16 | 12 | 9 | 2 | 0 | 1 | 0 |
| Rainy days | 31 | 28 | 30 | 27 | 28 | 14 | 19 | 22 | 28 | 31 | 29 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Cayán is at