Average annual temperature is 13.9 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: -7.8 °C
Number of sunny days: 183 days
Number of rainy days: 180 days
Number of snow days: 2 days
Look at detailed online map of Gölcük
* Weather data for Gölcük 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) | 14.3 | 19.1 | 19.1 | 20.2 | 25.9 | 29.6 | 37.7 | 36.6 | 31.9 | 26.0 | 21.6 | 15.8 |
| Average daytime temperature (°C) | 10.4 | 8.9 | 13.6 | 14.7 | 19.7 | 24.1 | 32.5 | 32.0 | 27.8 | 22.4 | 16.1 | 12.4 |
| Average temperature (°C) | 4.2 | 2.4 | 8.0 | 9.7 | 14.8 | 19.1 | 25.9 | 26.3 | 21.4 | 16.3 | 11.0 | 7.3 |
| Average night temperature (°C) | -0.5 | -3.3 | 2.4 | 4.0 | 8.9 | 12.5 | 17.4 | 20.3 | 14.4 | 10.5 | 6.4 | 2.9 |
| Absolute minimum temperature (°C) | -2.6 | -7.8 | -4.6 | 1.3 | 2.7 | 8.9 | 11.6 | 17.1 | 10.0 | 6.5 | -1.8 | 0.6 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 7.4 | 9.4 | 9.2 | 10.7 | 11.1 | 13.0 | 13.5 | 12.3 | 11.3 | 9.9 | 7.9 | 7.1 |
| Precipitation (mm) | 297 | 15 | 89 | 85 | 184 | 119 | 4 | 1 | 24 | 36 | 85 | 203 |
| Sunny days | 16 | 18 | 9 | 8 | 6 | 7 | 27 | 26 | 20 | 18 | 13 | 15 |
| Rainy days | 15 | 8 | 22 | 22 | 25 | 23 | 4 | 5 | 10 | 13 | 17 | 16 |
| Snow days | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Gölcük during the most sunny months:
The largest precipitation sum in Gölcük is at