Average annual temperature is 14.4 °C
Absolute maximum temperature: 31.6 °C
Absolute minimum temperature: -2.5 °C
Number of sunny days: 157 days
Number of rainy days: 207 days
Number of snow days: 1 day
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) | 17.1 | 19.6 | 22.0 | 21.8 | 22.5 | 26.4 | 31.6 | 30.9 | 28.5 | 29.5 | 28.0 | 21.1 |
| Average daytime temperature (°C) | 10.8 | 8.5 | 11.7 | 15.3 | 16.4 | 21.1 | 24.7 | 27.4 | 23.8 | 20.6 | 18.9 | 14.2 |
| Average temperature (°C) | 7.0 | 5.2 | 8.7 | 12.0 | 13.7 | 18.9 | 21.5 | 24.2 | 20.4 | 16.6 | 14.2 | 10.1 |
| Average night temperature (°C) | 3.7 | 2.1 | 5.5 | 8.1 | 10.8 | 16.2 | 17.5 | 20.8 | 17.0 | 12.9 | 9.7 | 6.5 |
| Absolute minimum temperature (°C) | -0.9 | -2.5 | 0.3 | 0.4 | 6.4 | 14.1 | 13.9 | 17.8 | 13.9 | 8.9 | 0.3 | 0.4 |
| 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 | 15.1 | 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) | 6.9 | 5.9 | 5.3 | 7.6 | 9.0 | 10.1 | 11.6 | 10.7 | 9.0 | 7.7 | 6.4 | 5.0 |
| Precipitation (mm) | 31 | 73 | 101 | 148 | 76 | 130 | 48 | 31 | 59 | 103 | 129 | 58 |
| Sunny days | 19 | 10 | 9 | 11 | 10 | 10 | 18 | 15 | 10 | 18 | 12 | 15 |
| Rainy days | 12 | 17 | 22 | 19 | 21 | 20 | 13 | 16 | 20 | 13 | 18 | 16 |
| Snow days | 0 | 1 | 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