Average annual temperature is 19.5 °C
Absolute maximum temperature: 46.2 °C
Absolute minimum temperature: -3.7 °C
Number of sunny days: 276 days
Number of rainy days: 89 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) | 15.1 | 22.9 | 23.5 | 26.6 | 34.2 | 39.3 | 42.9 | 46.2 | 40.5 | 30.6 | 28.1 | 17.4 |
| Average daytime temperature (°C) | 12.0 | 11.4 | 19.0 | 21.7 | 29.1 | 35.0 | 39.8 | 41.2 | 35.8 | 27.9 | 19.7 | 14.2 |
| Average temperature (°C) | 6.1 | 5.6 | 13.5 | 15.6 | 22.6 | 28.6 | 33.0 | 33.7 | 28.3 | 21.7 | 14.5 | 9.3 |
| Average night temperature (°C) | 1.7 | 0.5 | 8.4 | 9.7 | 15.4 | 21.1 | 25.2 | 25.5 | 20.7 | 15.7 | 10.0 | 5.5 |
| Absolute minimum temperature (°C) | -3.0 | -3.7 | 1.8 | 1.8 | 7.3 | 16.6 | 21.9 | 22.6 | 16.2 | 12.6 | 2.3 | 1.7 |
| 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 | 10.8 | 12.0 | 13.1 | 14.1 | 14.7 | 14.4 | 13.5 | 12.4 | 11.2 | 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 | 8.2 | 8.7 | 10.4 | 12.2 | 13.0 | 13.0 | 12.6 | 11.1 | 9.8 | 8.1 | 6.4 |
| Precipitation (mm) | 27 | 50 | 132 | 43 | 14 | 0 | 0 | 0 | 0 | 14 | 67 | 56 |
| Sunny days | 22 | 21 | 14 | 15 | 23 | 29 | 31 | 30 | 30 | 22 | 21 | 18 |
| Rainy days | 9 | 7 | 17 | 15 | 8 | 1 | 0 | 1 | 0 | 9 | 9 | 13 |
| Snow days | 0 | 0 | 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