Average annual temperature is 9.7 °C
Absolute maximum temperature: 36.6 °C
Absolute minimum temperature: -8.0 °C
Number of sunny days: 171 days
Number of rainy days: 173 days
Number of snow days: 21 days
Look at detailed online map of Köyyeri
* Weather data for Köyyeri Turkey is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 12.5 | 13.9 | 14.2 | 18.4 | 22.5 | 26.1 | 31.4 | 36.6 | 27.9 | 23.9 | 20.0 | 13.2 |
| Average daytime temperature (°C) | 6.5 | 3.1 | 8.7 | 11.7 | 16.2 | 20.5 | 25.2 | 30.3 | 24.3 | 17.8 | 10.7 | 7.3 |
| Average temperature (°C) | 0.9 | -0.8 | 3.9 | 6.6 | 10.6 | 15.1 | 18.7 | 22.4 | 16.6 | 11.8 | 6.5 | 3.1 |
| Average night temperature (°C) | -2.8 | -4.1 | -0.2 | 2.0 | 5.6 | 10.0 | 12.1 | 15.4 | 10.4 | 6.6 | 2.6 | -0.5 |
| Absolute minimum temperature (°C) | -5.4 | -8.0 | -7.1 | -0.9 | -1.5 | 4.5 | 8.3 | 12.4 | 6.5 | 2.1 | -6.3 | -3.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.7 | 5.8 | 5.9 | 8.1 | 9.6 | 12.0 | 13.2 | 12.4 | 11.0 | 8.7 | 5.7 | 5.9 |
| Precipitation (mm) | 23 | 62 | 99 | 122 | 122 | 82 | 56 | 5 | 27 | 32 | 123 | 82 |
| Sunny days | 23 | 9 | 5 | 3 | 7 | 12 | 18 | 26 | 23 | 19 | 10 | 16 |
| Rainy days | 5 | 6 | 22 | 27 | 24 | 18 | 13 | 5 | 7 | 12 | 19 | 15 |
| Snow days | 3 | 13 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Köyyeri during the most sunny months:
The largest precipitation sum in Köyyeri is at