Average annual temperature is 9.4 °C
Absolute maximum temperature: 19.0 °C
Absolute minimum temperature: -2.5 °C
Number of sunny days: 55 days
Number of rainy days: 310 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 | 14.9 | 15.7 | 15.4 | 15.6 | 15.9 | 18.5 | 19.0 | 18.2 | 17.3 | 17.5 | 16.1 |
| Average daytime temperature (°C) | 13.0 | 13.0 | 13.4 | 13.6 | 13.4 | 13.8 | 15.9 | 16.2 | 15.6 | 15.2 | 14.6 | 14.5 |
| Average temperature (°C) | 8.6 | 9.0 | 9.0 | 9.0 | 9.1 | 8.1 | 9.6 | 9.9 | 10.0 | 10.2 | 10.1 | 10.3 |
| Average night temperature (°C) | 5.2 | 6.5 | 5.6 | 4.9 | 5.5 | 2.5 | 3.9 | 4.6 | 5.7 | 6.4 | 6.6 | 7.2 |
| Absolute minimum temperature (°C) | 2.2 | 4.0 | 1.9 | 2.5 | 2.1 | -2.5 | 0.6 | 0.9 | 2.4 | 3.2 | 2.7 | 5.0 |
| 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 | 12.2 | 11.9 | 11.6 | 11.5 | 11.6 | 11.8 | 12.0 | 12.3 | 12.6 | 12.7 |
| 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) | 8.6 | 8.6 | 8.8 | 9.9 | 10.0 | 10.5 | 10.6 | 10.8 | 10.5 | 10.0 | 8.9 | 9.0 |
| Precipitation (mm) | 205 | 316 | 307 | 165 | 120 | 13 | 14 | 31 | 105 | 149 | 203 | 284 |
| Sunny days | 0 | 0 | 0 | 0 | 3 | 17 | 20 | 13 | 1 | 0 | 1 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 28 | 13 | 11 | 18 | 29 | 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