Average annual temperature is 11.5 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: -11.6 °C
Number of sunny days: 147 days
Number of rainy days: 200 days
Number of snow days: 18 days
Look at detailed online map of Gölyaka İlçesi
* Weather data for Gölyaka İlçesi 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) | 15.0 | 16.4 | 18.4 | 20.5 | 24.1 | 24.7 | 33.1 | 31.6 | 26.3 | 25.4 | 22.7 | 17.1 |
| Average daytime temperature (°C) | 8.5 | 4.8 | 9.6 | 13.0 | 15.6 | 20.1 | 24.8 | 26.8 | 22.3 | 18.7 | 13.7 | 11.0 |
| Average temperature (°C) | 3.9 | 1.2 | 5.4 | 8.3 | 11.8 | 16.3 | 20.4 | 22.0 | 17.4 | 14.1 | 9.4 | 6.5 |
| Average night temperature (°C) | 0.6 | -2.2 | 1.5 | 4.5 | 8.4 | 12.6 | 15.5 | 17.6 | 13.2 | 10.0 | 5.8 | 3.0 |
| Absolute minimum temperature (°C) | -3.7 | -7.3 | -11.6 | -0.3 | 5.0 | 10.2 | 12.2 | 14.1 | 9.3 | 5.6 | -3.8 | -2.2 |
| 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 | 10.7 | 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) | 6.3 | 6.2 | 5.4 | 7.9 | 7.5 | 11.4 | 12.7 | 11.1 | 10.6 | 8.7 | 4.9 | 5.8 |
| Precipitation (mm) | 54 | 123 | 244 | 253 | 168 | 207 | 129 | 77 | 53 | 101 | 226 | 159 |
| Sunny days | 18 | 7 | 5 | 2 | 5 | 5 | 21 | 22 | 19 | 18 | 10 | 15 |
| Rainy days | 10 | 8 | 25 | 28 | 26 | 25 | 10 | 9 | 11 | 13 | 19 | 16 |
| Snow days | 3 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Gölyaka İlçesi during the most sunny months:
The largest precipitation sum in Gölyaka İlçesi is at