Climate and monthly weather forecastKoszalin, Poland

The climate of Koszalin

Koszalin, located in Poland, is situated in a region dominated by the Köppen climate classification Cfb, familiarly known as a Marine west coast, warm summer climate. Being a coastal city, Koszalin experiences mild summers and relatively cooler and wet winters.

Throughout the year, the city experiences significant seasonal variations in monthly rainfall. Rainfall ranges from 30mm (1.18") in February to a high of 88mm (3.46") in July. Likewise, the number of rainfall days fluctuates: a minimum of 7.9 days in February to a maximum of 12.6 in November.

The daylight hours display a significant divergence over the year, from 7.4 hours in December to a maximum of 17.1 hours in June. Concurrently, sunshine hours experience a similar pattern, ranging from a low of 0.9 hours in December to 7.7 hours in June.

Temperature is another aspect that varies sharply across the year. Highs range from 0.9°C (33.6°F) in January to 21°C (69.8°F) in August. On the other hand, lows range from -3.9°C (25°F) in January to 12.3°C (54.1°F) in July. The UV index also shows a clear seasonal variation: from 0 in December and January to 6 in June and July, implying a high requirement for sun protection in summer.

The best time to visit Koszalin

Based on the favourable weather conditions, the best time to visit Koszalin spans from late spring through to early autumn, specifically from May to September. During these months, visitors can experience a delightful spectrum of moderate temperatures ranging from 16.6°C (61.9°F) to 21°C (69.8°F). Moreover, the daylight hours are long, providing ample time for outdoor activities. The low UV index in May and September ensures added comfort.

The worst time to visit Koszalin

The period from November to March is considered the least favourable time for visiting Koszalin. This interval is characterized by drastic low temperatures ranging from -3.9°C (25°F) to 5.8°C (42.4°F), insufficient daylight hours, and increased rainfall days, meaning fewer opportunities for tourism activities.

Spring weather in Koszalin

The season of spring in Koszalin is typically moderate and brings a resurgence in temperature and daylight hours. From March to May, temperatures range from 2°C (35.6°F) to 16.6°C (61.9°F) and daylight hours approximately double, reaching up to 16 hours by May. However, the drizzly showers, with rainfall amounts escalating from 35mm (1.38") to 55mm (2.17"), necessitate the carrying of rain gear during this season.

Summer weather in Koszalin

Summer is arguably the most delightful season in Koszalin, characterized by high temperatures of up to 21°C (69.8°F) in August and lows no less than 10.4°C (50.7°F). Alongside long daylight hours of up to 17.1 hours in June, the season ensures perfect conditions for outdoor activities. It is, nonetheless, the wettest season, with the highest rainfall amount and days observed in July; hence, an umbrella or raincoat might be an essential addition to the packing list.

Autumn weather in Koszalin

Autumn in Koszalin is a season of transition as temperatures drop from 17.3°C (63.1°F) in September to a cooler 6.4°C (43.5°F) by November. The daylight hours reduce to nearly half when compared to summer, and the rainfall shows an upward trend culminating in November with 69mm (2.72"). Frequent showers and symmetry of colours in the landscape are defining features of Koszalin in autumn.

Winter weather in Koszalin

Winter in Koszalin is relatively harsh with temperatures dropping to lows of -3.9°C (25°F) in January and highs of 2.6°C (36.7°F) in December. Daylight hours shrink to 7.4 hours in December while sunshine hours plummet to a mere 0.9 hours in December, making these months less than ideal for outdoor activities. Winter also brings increased rainfall days, culminating in 11.6 in December. A good winter jacket might be necessary for braving the chill in Koszalin during this season.

Weather in January

January lays the foundation for climate understanding in Koszalin since it sets the parameters for the coldest month. Polar maritime air masses render the temperatures low. On average, the temperature fluctuates from a frosty high of 0.9°C (33.6°F) to a biting low of -3.9°C (25°F). Weather in January »

Weather in February

Despite February's slight improvement in daylight and sun hours compared to January, it continues in the same vein with harsh weather conditions. February transitions Koszalin weather from the deep cold of mid-winter towards the softer chill of early spring. Weather in February »

Weather in March

March heralds the arrival of spring in Koszalin with remarkable changes visible in the weather pattern. The increase in daylight hours reassures locals of the shifting seasons, nudging the daily temperatures to venture above freezing. Weather in March »

Weather in April

As April arrives, Koszalin's climate shivers off winter's chill, embracing a milder weather pattern. The transition from erratic cold interspersed with slight warmth to consistently higher temperatures reflects the city's progress towards summer. Weather in April »

Weather in May

May manifests significant alterations in Koszalin's weather pattern, alluring locals with a glimpse of the forthcoming summer. Consistently escalating daytime temperatures and extended sunlight hours woo the residents outdoors. Substantial warmth takes hold over the Koszalin skyline with temperatures scaling between 6.8°C (44.2°F) to 16.6°C (61.9°F). Weather in May »

Weather in June

June propounds a message of hope for Koszalin residents, highlighting a shift towards quintessential summer warmth. Dive-bombing birds and an explosion of greenery underline the changing weather phenomena. UV index readings peak at 6, cautioning locals about the intensity of sunlight and advocating the use of protective measures when outdoors. Weather in June »

Weather in July

July unfurls the carpet to full-blown summer in Koszalin, hitting reboot on the city's weather narrative. Dazzling sunshine graces the azure sky with the city basking in the highest UV index - a clear sign of the zenith of summer. Weather in July »

Weather in August

August enters the Koszalin weather scene with abundant warmth and sunshine, sustaining the summer saga. Increasing temperatures hover around the high 20s°C. Locals enjoy a participating aroma of summer while rebellious rains, accumulating totalled 74mm (2.91"), unroll a splash of freshness amidst the heat. Weather in August »

Weather in September

In September, Koszalin witnesses impending signs of autumn amidst a lingering summer aura. The weather note flips from a sizzling summer to cooler spells, foreshadowing a seasonal shift. Despite rainfall registering at 82mm (3.23") over 11.1 days, the nostalgic summer joy radiates through the prevalent daylight hours. Weather in September »

Weather in October

October unleashes the full charm of fall over Koszalin, painting the city in a blend of gold and copper hues. The tally of daylight hours falls in contrast to the incoming colder winds. Changes in Koszalin's weather canvas include an overall temperature decline with average values hovering between 5.9°C (42.6°F) and 12.5°C (54.5°F). Weather in October »

Weather in November

November in Koszalin builds an escalation towards the dark chills of winter. Foggy mornings and shorter days earmark the city's weather composition, shadowing the colourful remanence of autumn. As an intriguing weather month, November draws attention with its highest rainfall record - an average of 69mm (2.72") stretched across 12.6 days. Weather in November »

Weather in December

December's weather presents Koszalin entwined in winter's icy grip. Snowflakes drifting against pale sunlight portray the city's weather theatre, complementing the holiday celebrations. The mercury column fluctuates between a biting -1.8°C (28.8°F) and a chilly high of 2.6°C (36.7°F), reflecting the season's frosty character. Weather in December »