Bolu, being located in the Western Black Sea region of Turkey, shows the characteristics of a typical Black Sea climate, but has sharper seasonal transitions due to its inland location. The winter months are usually cold and snowy, while the summer months are cool and humid. Spring and fall seasons are generally rainy and mild.
Temperatures often drop below zero during the winter months. Snowfall is quite frequent during December, January and February, creating ideal conditions, especially for ski resorts such as Kartalkaya. Snow cover stays on the ground for a long time, which is a great advantage for winter tourism. The cold and damp weather can cause some health problems; winter illnesses such as colds and flu are more common during these months.
The summer months are cool in Bolu. Temperatures rarely exceed 25°C in June, July and August. This coolness provides great comfort, especially for those who want to escape the summer heat. The high humidity can be uncomfortable for some people, but it is favorable for vegetation, so Bolu's forests and natural areas remain vibrant.
Rainfall is frequent in spring and fall. Temperatures can change rapidly during these periods, and these variable weather conditions have a major impact, especially on agricultural activities. Snowmelt and frequent rains in spring increase the flow of rivers, which helps replenish water resources. However, it can also increase the risk of flooding and inundation.
Winds usually blow from the north and northeast. These winds bring waves of cold air, especially in winter. The wind can further lower the perceived temperature, which can affect outdoor activities and daily life in particular. This effect of wind is an important factor, especially for those who work outdoors or spend long periods of time outdoors.
Bolu's climate has a positive impact on the city's quality of life in general. This climate, which allows the preservation of natural beauties, also increases the tourism potential of the city. However, seasonal transitions and cold weather, especially in winter, bring some challenges. Cold weather conditions can be more risky for the elderly and people with chronic illnesses. On the other hand, the cool summer is a big draw for those living in warmer climates.