Koszalin Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from comfortable to chilly in Koszalin. On average, daytime temperatures range from a comfortable 23°C (73°F) in August to a chilly 4°C (39°F) in January.

Nighttime temperatures range from 14°C (57°F) in August to -2°C (28°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Koszalin has a moderate amount of precipitation, averaging 832 mm (33 in) of rain/snowfall annually. The seasons in Koszalin bring significant changes in precipitation. The wettest month, July, receives moderate rainfall, with an average of 98 mm (3.9 in) of precipitation. This rainfall is distributed across 14 rainy days.

In contrast, the driest month, April, experiences much less rainfall, totaling 45 mm (1.8 in) over 12 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Koszalin Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

In Koszalin, summer days are longer and more sunny, with daily sunshine hours peaking at 7.9 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 0.9 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine