Koszalin weather and climate in 2025
Day
22 °C
Night
14 °C
Sea
17 °C
Precipitation
84 mm
in month
Rainy days
12 days
in month
Daylight
16 hours
average
Sunshine
7 hours
average
Humidity
80 %
Day
22 °C
Night
14 °C
Sea
17 °C
Precipitation
84 mm
in month
Rainy days
12 days
in month
Daylight
16 hours
average
Sunshine
7 hours
average
Humidity
80 %
Overview: Koszalin
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Weather overview for Koszalin
Weather overview
Koszalin, a city in Poland, is characterized by a temperate climate with noteworthy changes throughout the year. January finds Koszalin masked in winter's embrace, with minimal night temperatures that can challenge even the hardiest residents, while July offers the most generous sunshine and warmest days, perfect for outdoor activities. The autumnal dance of leaves in October is accompanied by crisp air and an increased chance of precipitation, nudging you to carry an umbrella. Winters can be frosty, and summers pleasant though unpredictable, with occasional rain ensuring the landscape remains lush and verdant.
January weather
January in Koszalin greets you with a blanket of winter's chill as daytime temperatures hover around 2 °C (36 °F). The nights are even colder with an average minimum temperature of -2 °C (28 °F). Dressing in layers is a must during this time, with a thick coat to shield against the biting cold expected in this winter wonderland.
February weather
February sees a timid rise in the daytime temperatures to 3 °C (37 °F), bringing a subtle hint of the approaching spring. The nights remain cold, averaging -2 °C (28 °F). With around 10 days of wet days, it's a good idea to have waterproof clothing at hand.
March weather
March in Koszalin is a time of transition, with daytime temperatures creeping up to 7 °C (44 °F), but it's the unpredictable rain you'll have to watch out for, with an average of 10 days of wet days.
April weather
April offers more generous daytime temperatures of 13 °C (55 °F) and prolonged sun hours which total to 5 hours on average. Expect to cast off heavier winter gear in favor of light jackets and enjoy the resurgence of outdoor activities.
May weather
In May, the temperatures continue to ascend with an average high of 18 °C (65 °F) during the day. The nights are milder too at an average of 8 °C (47 °F), making it a great time to explore Koszalin's outdoor beauty.
June weather
June brings an average high of 21 °C (69 °F), allowing for a fuller experience of the summer season. However, be mindful of the increased rainfall reaching 79 mm (3.09 in), which might dampen outdoor plans.
July weather
July offers the warmest embrace with average daytime temperatures reaching 22 °C (72 °F). The sun graces the city for 7 hours, fostering a vibrant ambiance perfect for summer events and activities.
August weather
August mirrors July's warmth slightly, with a peak daytime temperature of 22 °C (72 °F). The sun continues to shine for around 7 hours, making it still an ideal time for savoring the lingering summer moments.
September weather
September sees the start of the autumnal cool down, with average day highs at 18 °C (64 °F). This is a time to enjoy the changing leaves and crisp air, but also to keep a light jacket handy.
October weather
October brings a further decline in temperatures with averages of 13 °C (55 °F) during the day. Embrace the fall with warm clothes and watch for the unpredictable rain, as the month sees around 12 days of wet days.
November weather
November's chill is more pronounced, with an average daytime high of 7 °C (44 °F). With nearly 13 days of wet days, it is a time for warm beverages and cozy indoors, compensating for the fading light.
December weather
December welcomes the onset of winter with a daytime temperature of around 3 °C (37 °F). The month also has one of the highest numbers of wet days at 13 days, urging residents to embrace the festive season with indoor warmth.
FAQs
Is it necessary to wear thermal clothing in Koszalin during January?
Absolutely, thermal clothing is recommended in Koszalin in January, as the average night temperature drops to -2 °C (28 °F), and the frosty air can be quite piercing.
Should I expect a lot of rain in Koszalin during February?
Koszalin in February can surprise you with occasional showers, although with fewer wet days (approx. 10 days) compared to January.
Can we start feeling the spring in Koszalin during March?
March does bring a whiff of spring to Koszalin, with temperatures climbing to a cooler 7 °C (44 °F), suggesting the start of milder days ahead.
Does Koszalin get much warmer in April?
Indeed, Koszalin warms up in April, with daytime temperatures reaching a comfortable 13 °C (55 °F), perfect for shedding some layers.
What is the average rainfall in Koszalin during May?
Koszalin in May can expect an average rainfall of 55 mm (2.15 in), signifying that you might encounter some rainy days.
Is June typically the start of the summer in Koszalin?
June indeed marks the beginning of summer in Koszalin, ushering in warmer days with an average high of 21 °C (69 °F).
What are the typical day and night temperatures in Koszalin during July?
July in Koszalin boasts balmy days averaging 22 °C (72 °F) and nights at a comfortable 14 °C (56 °F).
Are the temperatures in August much different from July in Koszalin?
August in Koszalin remains warm like July, with a subtle dip in the peak temperatures to 22 °C (72 °F).
What kind of temperatures should I be prepared for in Koszalin in September?
Prepare for cooler days averaging 18 °C (64 °F) and nights at around 10 °C (50 °F) in Koszalin during September.
How chilly can October get in Koszalin?
October ushers in chillier days with an average of 13 °C (55 °F) and nights cooling down to 6 °C (43 °F) in Koszalin.
Is November a cold month in Koszalin?
Yes, November marks a cold month in Koszalin, with temperatures averaging 7 °C (44 °F) and urging you to bundle up.
What should one expect from December weather in Koszalin?
Expect cold days with an average of 3 °C (37 °F) and frequent wet days (about 13 days) in December, suggesting the carrying of warm clothing and waterproof boots.
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