Weather in Kastamonu

Planning a trip or just want to know what to wear? Check out the latest weather information for Kastamonu, including current data, charts, and forecasts for the near future.

The climate in Kastamonu can be described as temperate-continental, with clearly defined seasons. Winter here is cool and quite harsh for the region: in January and February, night-time temperatures consistently drop below freezing, while during the day they stay just slightly above the freezing mark. This period sees a high frequency of precipitation, so travellers should be prepared for snow and damp weather by ensuring they have warm clothing.

Summer, on the other hand, is the most comfortable time to visit. July and August bring warmth: average daytime temperatures reach 26–27°C, yet the exhausting heat typical of Turkey's southern resorts is rare here. This is also the driest period of the year with a minimal number of rainy days, creating ideal conditions for long walks and outdoor sightseeing.

Spring and autumn act as transitional seasons with changeable character. Spring months, especially May, bring long-awaited warming but are accompanied by frequent rains — this is one of the wettest times of the year. September often offers pleasant post-summer weather, retaining summer warmth before a sharp cooling begins in November.

The temperature regime in Kastamonu is distinguished by marked seasonality, offering travellers a variety of weather conditions throughout the year. The annual temperature range is quite wide: from winter frosts to pleasant summer warmth. The coldest month is traditionally January with an average minimum of around -3.4°C, while the peak of warmth falls in August, when the air warms up to an average of 20.9°C, creating ideal conditions for exploring the city.

Summer in this region of Turkey can be characterized as moderately warm and comfortable, without the sweltering heat typical of southern resorts. In July and August, daytime temperatures reach 26–27°C, allowing you to enjoy walks. However, significant daily fluctuations should be taken into account: even at the height of summer, nights remain cool, and the temperature can drop to 14°C, so a light jacket or sweater will be useful for evening outings.

The winter period in Kastamonu feels like a true cold season. From December to February, average temperatures hover in the range of 0°C to 3°C, and at night the thermometer regularly drops below zero. Such weather requires appropriate gear: warm clothes are necessary to feel cosy while sightseeing on frosty, yet atmospheric winter days.

Precipitation in Kastamonu is distributed quite unevenly throughout the year, allowing travellers to clearly distinguish between wet and dry seasons. The winter months, from December to February, are characterized by low temperatures that often drop below freezing. During this period, precipitation often falls as snow, creating a beautiful winter atmosphere. The frequency of inclement days in winter is moderate — averaging about 11–13 days per month.

Spring and early summer are the times of most frequent precipitation. March and May are the leaders in terms of rainy days, reaching up to 16 per month. June also remains quite wet (about 15 days with precipitation), so tourists planning a trip in the first half of the year should definitely take an umbrella or raincoat. Despite the high frequency of rain, its intensity is usually low.

The driest and most stable period arrives in the second half of summer. July and August delight guests of the city with sunny weather: the number of days with precipitation drops to a minimum, reaching just 5 days in August. September maintains the trend towards dryness, however, by October and November, the frequency of rains begins to increase again, marking the transition to the winter season.

The climate in Kastamonu has distinct seasonal features, so the contents of your suitcase will depend directly on the time of year. A universal tip for travelling to this region is to dress in layers. In spring and early summer, the weather can be changeable: for example, in May and June, the number of days with precipitation reaches 15–16 per month. Therefore, even if the forecast promises warmth, be sure to take a compact umbrella, a light raincoat, and waterproof shoes for comfortable walks.

Winter here is quite cool, with temperatures often dropping below freezing and high humidity. For a trip from December to February, a warm jacket or down coat, hat, scarf, and gloves are necessary. Pay special attention to footwear: it should be warm, comfortable, and have non-slip soles, as snow and ice are possible. This will allow you to explore city sights safely and with pleasure even in cold weather.

Summer in Kastamonu is usually comfortable, without exhausting heat: in July and August, the temperature during the day stays around +26...+27°C, however, nights can be fresh (around +14°C). For a summer holiday, light items made of natural fabrics are suitable, but don't forget to grab a hoodie or windbreaker for evening walks. Also, on sunny days, especially in August when there is the least rain, you will need sunglasses, a hat, and SPF cream for protection against ultraviolet rays.