Kocaeli Climate by Month
Kocaeli experiences great temperature shifts.
The city's weather can transition from warm days
to cold weather.
It receives mid-range precipitation levels.
Now, let’s explore all the climate details to give you a full picture.
Average day and night temperature
The climate in Kocaeli is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures range from a comfortable 29°C in August, the warmest time of the year, to a chilly 9°C during cooler months like January. At night, temperatures typically average around 1°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Generally, Kocaeli receives mid-range precipitation levels, with 966 mm annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, December receives high rainfall, averaging 112 mm of precipitation, recorded across 16 rainy days. In contrast, the drier season, August brings less rainfall, with 44 mm over 6 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Kocaeli. While July receives considerable daily sunshine with up to 9.6 hours, January marks the darkest time of the year, where sunshine is scarce with only 2.5 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
The best time of year to visit Kocaeli in Turkey
During the months of May, September and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
August has an average maximum temperature of 29°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 9°C.
December tops the wettest month list with 112 mm of rainfall.
August is the driest month with 44 mm of precipitation.
July is the sunniest month with an average of 287 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
