Average annual temperature is 12.2 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: -15.5 °C
Number of sunny days: 220 days
Number of rainy days: 132 days
Number of snow days: 13 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) | 14.4 | 18.4 | 18.5 | 20.0 | 25.0 | 27.9 | 35.2 | 39.3 | 30.3 | 24.1 | 23.5 | 14.5 |
| Average daytime temperature (°C) | 8.0 | 3.2 | 11.3 | 14.3 | 18.8 | 22.7 | 29.0 | 33.5 | 25.1 | 20.6 | 15.0 | 10.4 |
| Average temperature (°C) | 2.3 | -1.9 | 6.3 | 8.9 | 13.3 | 17.5 | 23.0 | 26.6 | 19.0 | 14.6 | 9.8 | 5.5 |
| Average night temperature (°C) | -1.6 | -6.1 | 1.6 | 3.9 | 8.1 | 12.3 | 15.6 | 19.1 | 13.4 | 9.3 | 5.2 | 1.3 |
| Absolute minimum temperature (°C) | -5.3 | -15.5 | -9.9 | -0.5 | 1.3 | 9.8 | 11.4 | 15.9 | 9.5 | 5.1 | -5.1 | -3.8 |
| 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) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 7.6 | 8.3 | 8.0 | 10.1 | 10.9 | 12.9 | 13.6 | 12.4 | 11.4 | 9.6 | 7.7 | 7.0 |
| Precipitation (mm) | 16 | 30 | 119 | 54 | 100 | 81 | 3 | 0 | 16 | 14 | 61 | 14 |
| Sunny days | 22 | 20 | 10 | 11 | 4 | 9 | 27 | 31 | 19 | 26 | 19 | 22 |
| Rainy days | 7 | 1 | 19 | 19 | 27 | 21 | 4 | 0 | 11 | 5 | 9 | 9 |
| Snow days | 2 | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 |
The best time to visit Gölyaka during the most sunny months:
The largest precipitation sum in Gölyaka is at