Average annual temperature is 21.0 °C
Absolute maximum temperature: 27.9 °C
Absolute minimum temperature: 14.0 °C
Number of sunny days: 248 days
Number of rainy days: 117 days
Look at detailed online map of Cayan
* Weather data for Cayan 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) | 26.9 | 26.7 | 26.6 | 27.9 | 26.1 | 26.1 | 25.1 | 26.1 | 25.7 | 27.2 | 26.3 | 27.8 |
| Average daytime temperature (°C) | 25.1 | 24.6 | 24.9 | 25.9 | 24.4 | 24.0 | 23.5 | 23.9 | 23.7 | 24.7 | 24.6 | 25.5 |
| Average temperature (°C) | 21.5 | 21.8 | 21.8 | 22.1 | 20.9 | 20.3 | 20.1 | 20.4 | 20.0 | 21.0 | 20.7 | 21.5 |
| Average night temperature (°C) | 18.7 | 19.7 | 19.7 | 19.3 | 17.9 | 17.4 | 17.1 | 17.4 | 17.0 | 17.9 | 17.7 | 18.5 |
| Absolute minimum temperature (°C) | 17.3 | 18.2 | 18.5 | 17.9 | 16.0 | 14.5 | 14.8 | 14.0 | 14.3 | 15.6 | 16.0 | 16.9 |
| 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 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 10.5 | 8.5 | 8.4 | 9.5 | 10.6 | 10.6 | 10.6 | 10.9 | 11.1 | 11.1 | 11.2 | 11.2 |
| Precipitation (mm) | 18 | 92 | 118 | 37 | 0 | 0 | 0 | 0 | 2 | 10 | 1 | 20 |
| Sunny days | 16 | 5 | 2 | 14 | 31 | 30 | 31 | 31 | 27 | 17 | 25 | 19 |
| Rainy days | 15 | 23 | 29 | 16 | 0 | 0 | 0 | 0 | 3 | 14 | 5 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Cayan is at