Average annual temperature is 18.9 °C
Absolute maximum temperature: 43.9 °C
Absolute minimum temperature: -2.8 °C
Number of sunny days: 240 days
Number of rainy days: 125 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) | 18.4 | 24.4 | 24.8 | 24.9 | 33.5 | 36.5 | 43.9 | 42.4 | 37.4 | 31.4 | 28.7 | 22.2 |
| Average daytime temperature (°C) | 15.1 | 13.8 | 18.6 | 20.7 | 26.0 | 30.9 | 39.3 | 39.0 | 34.4 | 28.9 | 21.8 | 17.8 |
| Average temperature (°C) | 9.0 | 7.0 | 12.7 | 14.8 | 19.9 | 24.7 | 31.4 | 30.4 | 26.7 | 21.3 | 15.7 | 11.9 |
| Average night temperature (°C) | 3.6 | 1.3 | 6.9 | 9.0 | 14.1 | 18.5 | 23.0 | 23.2 | 19.3 | 14.8 | 10.6 | 7.3 |
| Absolute minimum temperature (°C) | -1.3 | -2.8 | 0.8 | 4.7 | 8.8 | 15.3 | 18.3 | 19.4 | 16.6 | 11.7 | 1.7 | 2.3 |
| 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) | 7.5 | 8.7 | 9.5 | 10.6 | 11.3 | 12.5 | 13.5 | 12.5 | 11.4 | 9.8 | 7.4 | 7.2 |
| Precipitation (mm) | 103 | 13 | 86 | 57 | 70 | 66 | 0 | 1 | 5 | 2 | 142 | 71 |
| Sunny days | 20 | 21 | 17 | 14 | 11 | 18 | 31 | 30 | 21 | 27 | 13 | 17 |
| Rainy days | 11 | 7 | 14 | 16 | 20 | 12 | 0 | 1 | 9 | 4 | 17 | 14 |
| 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