The climate of Zonguldak is typical of the Black Sea climate, meaning high humidity and abundant rainfall throughout the year. Winters are usually cold and rainy, while summers are cool and relatively low rainfall. The spring and fall seasons are generally mild and an increase in rainfall is observed during these periods. In Zonguldak, the temperature in the winter months usually varies between 5°C and 10°C, while the average temperature in the summer months is between 20°C and 25°C. However, cool days can be experienced even in summer due to the influence of the Black Sea.
Humidity is high throughout the year, which can sometimes feel oppressive. High humidity can affect air quality, especially in summer, which can be challenging for people with respiratory problems. Precipitation is generally distributed regularly throughout the year, but the heaviest rainfall usually occurs in the fall and winter months. Annual precipitation usually ranges between 1000 mm and 1400 mm. This precipitation can also take the form of snow, especially in winter.
The winds usually blow from the Black Sea and are felt as constant breezes throughout the year. During the winter months, winds can be stronger, resulting in cold and windy weather conditions for those living by the sea. This can be particularly challenging for those who work outdoors or in jobs related to the sea.
Zonguldak's climate directly affects life and economy in the city. In particular, the agriculture and fishing sectors are greatly affected by seasonal climate changes. Humid and wet weather can lead to an increase in plant diseases and pests, while sea conditions are also important for fishing activities. Furthermore, heavy rainfall can occasionally lead to natural disasters such as floods and landslides, which puts stress on infrastructure, requiring local governments to be prepared for such events. These climatic conditions shape the daily lives of those living in Zonguldak, their working conditions, and the infrastructure and planning of the city in general.