Average annual temperature is 17.7 °C
Absolute maximum temperature: 44.5 °C
Absolute minimum temperature: -5.5 °C
Number of sunny days: 255 days
Number of rainy days: 110 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) | 14.4 | 19.5 | 21.0 | 24.5 | 31.1 | 38.2 | 41.7 | 44.5 | 38.8 | 29.3 | 27.2 | 17.8 |
| Average daytime temperature (°C) | 10.4 | 9.3 | 16.8 | 19.3 | 26.2 | 33.6 | 38.2 | 40.2 | 34.7 | 26.6 | 18.1 | 13.1 |
| Average temperature (°C) | 4.4 | 3.6 | 11.7 | 13.5 | 19.5 | 26.9 | 30.9 | 32.5 | 27.2 | 20.0 | 12.8 | 8.0 |
| Average night temperature (°C) | -0.4 | -1.0 | 6.9 | 8.0 | 12.4 | 19.1 | 22.4 | 24.2 | 19.4 | 14.3 | 8.3 | 3.8 |
| Absolute minimum temperature (°C) | -3.8 | -5.5 | 1.0 | -0.8 | 6.7 | 14.7 | 17.1 | 20.2 | 15.5 | 11.9 | 0.3 | -0.1 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 7.0 | 7.9 | 7.9 | 9.8 | 12.1 | 13.0 | 13.1 | 12.6 | 11.0 | 9.7 | 7.5 | 6.0 |
| Precipitation (mm) | 35 | 68 | 164 | 84 | 26 | 1 | 0 | 2 | 0 | 6 | 111 | 69 |
| Sunny days | 21 | 19 | 12 | 10 | 18 | 27 | 31 | 30 | 29 | 21 | 19 | 18 |
| Rainy days | 10 | 9 | 19 | 20 | 13 | 3 | 0 | 1 | 1 | 10 | 11 | 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