Climate Overview
The climate in Adapazarı is temperate. The average annual temperature is 14°C and approximately 935mm of precipitation falls per year. Adapazarı receives a notable amount of rainfall throughout the year, including during its driest month. Adapazarı is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, December, when temperatures can drop to 1°C. Snowfall occurs from January to December, with around 99cm accumulating over the season.
Temperature
Temperatures in Adapazarı 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 29°C and the mean temperature sits around 23°C. January is the coolest month, with minimum temperatures around 1°C and an average of 4°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 5°C shift in average temperatures.
Precipitation
Adapazarı is a moderately rainy area, receiving approximately 935mm of precipitation annually, which averages out to around 78mm per month. The wettest month is December, averaging 114mm of rainfall. January and March also tend to see above-average precipitation. The driest month is August, with just 35mm. That's 80mm less than December, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 99cm accumulating over the season. January typically sees the most snow at around 37cm.
Wind
Adapazarı is relatively calm, with an average annual wind speed of 6km/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 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.
Seasons
3 days until Autumn
It is currently summer in Adapazarı, which began on June 21, 2026. Adapazarı 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 29°C, while the coldest stretch bottoms out in January near 1°C. Autumn is next, beginning on September 23, 2026 (3 days from now).
Spring
Temperatures range from 3 to 21°C. Precipitation is moderate at around 260mm for the season, averaging 87mm per month. Winds are generally light, averaging 6km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 15 to 29°C. Precipitation is moderate at around 154mm for the season, averaging 51mm per month. Winds are generally light, averaging 6km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 6 to 25°C. Precipitation is moderate at around 205mm for the season, averaging 68mm per month. Winds are generally light, averaging 6km/h. Layered clothing works best as temperatures gradually cool. Enjoy the crisp air and changing scenery.
Winter
Temperatures range from 1 to 11°C. Rainfall is heavy, totalling around 317mm across the season with a monthly average of 106mm. Expect around 82cm of snow accumulation during this period. Winds are generally light, averaging 7km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Adapazarı is during May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 59mm per month. By contrast, January can be quite cold with temperatures dropping to 1°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Adapazarı 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.