Average annual temperature is 15.4 °C
Absolute maximum temperature: 42.9 °C
Absolute minimum temperature: -4.1 °C
Number of sunny days: 178 days
Number of rainy days: 187 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) | 18.4 | 21.3 | 21.9 | 22.2 | 25.2 | 28.8 | 42.9 | 35.9 | 32.5 | 28.7 | 29.0 | 20.9 |
| Average daytime temperature (°C) | 11.5 | 10.7 | 13.6 | 16.6 | 19.2 | 24.7 | 31.3 | 31.0 | 26.8 | 22.8 | 18.5 | 14.2 |
| Average temperature (°C) | 7.5 | 5.8 | 9.4 | 11.9 | 15.2 | 20.2 | 25.5 | 25.6 | 22.2 | 17.6 | 13.7 | 9.9 |
| Average night temperature (°C) | 4.1 | 1.5 | 5.6 | 7.3 | 11.3 | 15.5 | 19.0 | 21.0 | 17.9 | 13.0 | 9.3 | 6.4 |
| Absolute minimum temperature (°C) | -3.5 | -4.1 | -1.1 | 2.7 | 5.7 | 11.8 | 14.3 | 17.8 | 12.8 | 8.3 | 1.3 | -0.3 |
| 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 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| 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) | 4.9 | 7.1 | 6.2 | 8.6 | 8.9 | 11.9 | 13.3 | 11.5 | 10.8 | 8.6 | 5.9 | 5.4 |
| Precipitation (mm) | 52 | 55 | 72 | 162 | 109 | 49 | 6 | 6 | 46 | 29 | 173 | 75 |
| Sunny days | 16 | 11 | 11 | 5 | 8 | 13 | 26 | 20 | 20 | 22 | 11 | 15 |
| Rainy days | 15 | 17 | 20 | 25 | 23 | 17 | 5 | 11 | 10 | 9 | 19 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Gölyaka during the most sunny months:
The largest precipitation sum in Gölyaka is at