Average annual temperature is 15.1 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -6.2 °C
Number of sunny days: 173 days
Number of rainy days: 188 days
Number of snow days: 4 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) | 19.2 | 21.8 | 22.7 | 24.8 | 27.8 | 29.2 | 36.3 | 35.3 | 31.4 | 28.9 | 27.5 | 21.7 |
| Average daytime temperature (°C) | 12.8 | 10.3 | 14.1 | 17.3 | 19.8 | 24.5 | 29.3 | 31.1 | 26.9 | 23.0 | 18.1 | 15.0 |
| Average temperature (°C) | 7.4 | 5.4 | 9.4 | 12.2 | 15.5 | 20.1 | 23.9 | 25.4 | 21.1 | 17.3 | 13.2 | 9.9 |
| Average night temperature (°C) | 3.3 | 0.9 | 5.0 | 7.9 | 11.6 | 15.9 | 18.5 | 20.3 | 16.6 | 12.4 | 8.8 | 6.3 |
| Absolute minimum temperature (°C) | -0.2 | -6.2 | -5.4 | 3.3 | 7.4 | 13.1 | 15.1 | 17.7 | 12.9 | 8.8 | -0.1 | 1.0 |
| 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 | 15.0 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 5.8 | 6.3 | 5.0 | 7.4 | 7.0 | 10.8 | 12.5 | 10.7 | 10.3 | 8.5 | 5.0 | 5.5 |
| Precipitation (mm) | 59 | 121 | 203 | 188 | 117 | 157 | 99 | 19 | 73 | 94 | 222 | 147 |
| Sunny days | 20 | 9 | 6 | 6 | 6 | 15 | 21 | 23 | 19 | 21 | 11 | 16 |
| Rainy days | 11 | 15 | 25 | 24 | 25 | 15 | 10 | 8 | 11 | 10 | 19 | 15 |
| Snow days | 0 | 4 | 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