Average annual temperature is 15.0 °C
Absolute maximum temperature: 39.6 °C
Absolute minimum temperature: -4.2 °C
Number of sunny days: 210 days
Number of rainy days: 154 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) | 15.0 | 19.5 | 19.4 | 19.0 | 28.4 | 30.9 | 39.6 | 35.4 | 31.3 | 27.1 | 21.0 | 15.9 |
| Average daytime temperature (°C) | 11.3 | 9.3 | 13.7 | 15.1 | 20.7 | 25.5 | 33.8 | 32.6 | 28.4 | 23.0 | 15.4 | 12.7 |
| Average temperature (°C) | 6.7 | 4.0 | 9.0 | 10.4 | 15.4 | 20.1 | 26.9 | 26.0 | 21.9 | 17.2 | 11.8 | 9.2 |
| Average night temperature (°C) | 3.0 | -0.2 | 4.9 | 6.0 | 10.6 | 15.0 | 20.0 | 20.1 | 16.7 | 12.8 | 8.3 | 6.2 |
| Absolute minimum temperature (°C) | -1.4 | -4.2 | -1.7 | 3.1 | 6.7 | 11.6 | 16.2 | 16.1 | 14.4 | 10.4 | 0.1 | 1.9 |
| 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 | 14.4 | 13.6 | 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) | 7.1 | 8.5 | 8.6 | 9.8 | 11.3 | 12.7 | 13.5 | 12.4 | 11.4 | 9.7 | 6.9 | 6.8 |
| Precipitation (mm) | 188 | 34 | 109 | 110 | 117 | 90 | 0 | 0 | 27 | 20 | 226 | 107 |
| Sunny days | 16 | 19 | 13 | 7 | 10 | 16 | 30 | 30 | 21 | 24 | 11 | 13 |
| Rainy days | 15 | 8 | 18 | 23 | 21 | 14 | 1 | 1 | 9 | 7 | 19 | 18 |
| 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