Gdańsk weather and climate in 2025
January
February
March
April
May
June
July
August
September
October
November
December
Overview
January
February
March
April
May
June
July
August
September
October
November
December
Overview
Gdańsk weather and climate in 2025
January
February
March
April
May
June
July
August
September
October
November
December
Overview
January
February
March
April
May
June
July
August
September
October
November
December
Overview
Day
22 °C
Night
14 °C
Sea
18 °C
Precipitation
72 mm
in month
Rainy days
11 days
in month
Daylight
15 hours
average
Sunshine
7 hours
average
Humidity
80 %
Day
22 °C
Night
14 °C
Sea
18 °C
Precipitation
72 mm
in month
Rainy days
11 days
in month
Daylight
15 hours
average
Sunshine
7 hours
average
Humidity
80 %
Overview: Gdańsk
Weather charts for Gdańsk
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Activities in Gdańsk
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Sand beaches
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Scenic downtown
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Sacral buildings
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Picturesque streets
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City panoramic viewpoints
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Weather overview for Gdańsk
Weather overview
The coastal city of Gdańsk in Poland is characterized by its gentle and hospitable climate, offering a broad spectrum of temperatures and weather conditions throughout the year. In the chill of January, temperatures during daylight hours hover around a cool 1 °C (34 °F), while the warmest days of July can bask in a comfortable 23 °C (73 °F). Nighttime temperatures range from a crisp -2 °C (28 °F) in January to a mild 14 °C (57 °F) in July. The least rainy month is April, with an average of only 9 days with rainfall, while November brings the highest average number of rainy days, totaling 12 days. Gdańsk’s seaside temperatures peak in August at a pleasant 18 °C (65 °F) and hit their lowest point in February at a brisk 3 °C (37 °F). Anticipate a fascinating journey through Gdańsk's seasons, which are beautifully illustrated by varying degrees of sunlight, changing wind speeds, and an engaging dance of humidity levels.
January weather
In January, Gdańsk witnesses the lowest daytime temperatures with an average of 1 °C (34 °F), while the sea temperature is on a downward trajectory. A decrease in rainfall is noted, averaging 42 mm (1.64 in), alongside a slight reduction in the number of rainy days to 11 days. The coldest nights of the year occur in this month. The wind speed peaks, averaging 5.
February weather
With the sea temperature at its lowest in February at a chilly 3 °C (37 °F) in Gdańsk, signs of increasing daytime temperatures can be observed, reaching 2 °C (35 °F). The drop in the number of rainy days continues, now at 10 days, while the amount of rainfall hits its yearly low at 31 mm (1.24 in). The gradual increase in the number of clear, sunny hours is also noticeable, up to 2 hours.
March weather
The upward trend in day temperatures persists into March, reaching a more agreeable 6 °C (42 °F) in Gdańsk. The night temperatures begin to rise, and the continuous decline in rainy days is maintained at 9 days. Sunny hours increase in line with the previous month, reaching 3 hours.
April weather
April in Gdańsk brings a sustained increase in the day temperature, now at a pleasant 12 °C (54 °F), as the sea temperature begins its climb. The rise in night temperature continues in a similar vein, recorded at 4 °C (38 °F). The smallest number of rainy days is evident, dropping to 9 days. The progression of sunny hours remains constant, now at 5 hours.
May weather
In May, the sea temperatures in Gdańsk continue on an upward path, now at a refreshing 9 °C (48 °F), while daily temperatures keep rising, reaching 18 °C (64 °F). Nighttime temperatures also climb, settling at 9 °C (48 °F). The rise in sunny hours is evident, recorded at 7 hours. Lowest humidity levels are noted this month, along with the beginning of increased rainfall.
June weather
The trend of rising daytime temperatures continues in June, with Gdańsk boasting an average of 20 °C (69 °F). Concurrently, the warmth of the sea is felt even more with temperatures hitting 13 °C (56 °F). An upswing in rainfall is observed, at 66 mm (2.58 in). Night temperatures also rise once again, now at 12 °C (53 °F). The acme of sunny hours is reached this month, as is the longest day duration, peaking at 17 hours.
July weather
As the tourist season peaks in July, so do the temperatures in Gdańsk, with a daytime maximum of 23 °C (73 °F) and a continued increase in sea temperature, warming to 17 °C (63 °F). The highest rainfall volumes are registered, averaging 75 mm (2.96 in). Wind reaches its most gentle in the month, with an average speed of 4. The height of nighttime temperatures is also observed.
August weather
August marks the beginning of the end for the high temperatures in Gdańsk, with daily averages slightly reduced to 22 °C (72 °F). The sea temperature reaches its zenith this month at a balmy 18 °C (65 °F). The tourist season remains in full swing. A decrease in sunny hours to 7 hours is discernible.
September weather
September sees the commencement of the sea temperature's descent in Gdańsk, now at 16 °C (61 °F), accompanied by a decrease in daytime temperatures to an average of 18 °C (64 °F). As night temperatures begin to fall, so does the volume of rainfall. A reduction in the number of sunny hours to 5 hours is noticeable.
October weather
The decline in Gdańsk's seascape warmth becomes more apparent in October, with the sea temperature at 13 °C (55 °F). Continued cooling patterns are seen in day temperatures, now averaging 12 °C (54 °F). Rainfall volume continues to decrease, and so does the number of sunny hours, measured at 3 hours.
November weather
With the approach of winter, Gdańsk experiences further declines in day temperatures to 6 °C (43 °F) and sea temperatures to 9 °C (48 °F). November sees the highest number of rainy days, at 12 days. The dwindling number of sunny hours to 1 hour is evident.
December weather
December in Gdańsk is marked by further declines in both day temperatures, now at 3 °C (37 °F), and the plummeting of sea temperatures to 6 °C (43 °F). The minimum in the number of sunny hours is reached, averaging just 1 hour. The reduction in night temperatures is also felt, with them falling to -1 °C (30 °F). The daylight duration hits its smallest magnitude for the year.
FAQs
What is the average wind speed in Gdańsk during January?
In January, Gdańsk experiences blustery conditions with an average wind speed of 5
How much does it rain in Gdańsk in February?
February in Gdańsk is relatively dry, with precipitation totaling approximately 31 mm (1.24 in).
What are the expected day and night temperatures in March in Gdańsk?
March in Gdańsk sees daytime temperatures averaging 6 °C (42 °F), while night temperatures gradually warm up.
How frequently does it rain in April in Gdańsk?
April offers the least rainy days in Gdańsk with an average of just 9 days throughout the month.
How does the sea temperature change in May in Gdańsk?
During May, the sea begins to warm in Gdańsk, reaching an average temperature of 9 °C (48 °F).
Are June days long and sunny in Gdańsk?
June enjoys an abundance of sunlight in Gdańsk, with a peak in the average number of sunny hours and the longest day length of the year.
Can visitors enjoy warm sea temperatures in Gdańsk in July?
July in Gdańsk offers inviting sea temperatures for swimming, averaging 17 °C (63 °F).
What is the peak sea temperature in Gdańsk?
The warmest sea temperature in Gdańsk can be enjoyed in August, averaging 18 °C (65 °F)
How cool do the nights get in Gdańsk in September?
September nights in Gdańsk start to turn cooler, with an average temperature of 10 °C (51 °F).
How much sunlight can one expect in Gdańsk in October?
October brings lesser sunny hours to Gdańsk, with the number dropping to an average of 3 hours.
What temperature range can be expected during the day in Gdańsk in November?
November days in Gdańsk tend to be brisk, with daytime temperatures averaging around 6 °C (43 °F).
How long is the shortest day in December in Gdańsk?
The shortest day of the year in Gdańsk occurs in December, with daylight lasting only around 7 hours.
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