Average annual temperature is 12.7 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: -12.5 °C
Number of sunny days: 210 days
Number of rainy days: 145 days
Number of snow days: 10 days
Look at detailed online map of Gölyaka
* Weather data for Gölyaka 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) | 10.5 | 16.5 | 16.2 | 18.3 | 24.3 | 27.5 | 34.1 | 37.1 | 29.1 | 23.1 | 21.5 | 13.5 |
| Average daytime temperature (°C) | 6.8 | 3.5 | 10.3 | 13.3 | 17.6 | 21.6 | 28.4 | 32.3 | 24.8 | 19.6 | 14.4 | 9.7 |
| Average temperature (°C) | 3.7 | -0.3 | 6.5 | 8.8 | 13.7 | 17.6 | 23.5 | 26.6 | 20.0 | 15.2 | 10.2 | 6.1 |
| Average night temperature (°C) | 0.6 | -4.0 | 3.0 | 4.6 | 9.9 | 13.5 | 17.9 | 21.0 | 15.6 | 11.1 | 6.3 | 2.6 |
| Absolute minimum temperature (°C) | -2.6 | -12.5 | -4.3 | 1.9 | 5.5 | 10.6 | 14.0 | 17.5 | 10.3 | 7.8 | -3.2 | -2.8 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 7.5 | 9.1 | 8.1 | 10.7 | 11.2 | 12.9 | 13.5 | 12.4 | 11.4 | 9.8 | 7.3 | 7.1 |
| Precipitation (mm) | 47 | 34 | 138 | 78 | 148 | 100 | 2 | 0 | 13 | 18 | 77 | 44 |
| Sunny days | 23 | 20 | 7 | 7 | 8 | 8 | 29 | 30 | 23 | 22 | 12 | 21 |
| Rainy days | 7 | 0 | 24 | 23 | 23 | 22 | 2 | 1 | 7 | 9 | 17 | 10 |
| Snow days | 1 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Gölyaka during the most sunny months:
The largest precipitation sum in Gölyaka is at