Climate Insights for Düzce

The climate in Düzce is temperate. The average annual temperature is 11°C and approximately 1114mm of precipitation falls per year. Düzce receives a notable amount of rainfall throughout the year, including during its driest month. Düzce is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, December, February, when temperatures can drop to -3°C. Düzce experiences heavy snowfall, typically from January through December.

Temperatures in Düzce vary considerably across the year, with a 28°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 25°C and the mean temperature sits around 20°C. The coldest month is January, when overnight lows fall to -3°C and the daily average is 1°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.

Düzce is a moderately rainy area, receiving approximately 1114mm of precipitation annually, which averages out to around 93mm per month. The wettest month is May, averaging 154mm of rainfall. January and December also tend to see above-average precipitation. The driest month is September, with just 54mm. That's 100mm less than May, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Düzce receives heavy snowfall, accumulating around 201cm annually from January through December. The snowiest month is January, with approximately 72cm. Winter travel should account for significant snow cover.

Düzce is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently summer in Düzce, which began on June 21, 2026. Düzce is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 25°C, while the coldest stretch bottoms out in January near -3°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.

The best time to visit Düzce is during July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 56mm per month. By contrast, January can be quite cold with temperatures dropping to -3°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Düzce based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.