Day
1 °C
Night
-2 °C
Sea
4 °C
Precipitation
42 mm
in month
Rainy days
11 days
in month
Daylight
8 hours
average
Sunshine
1 hours
average
Humidity
90 %
We make the most from 40 years of historical weather data to predict the best weather conditions.
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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.
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.
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.
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 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.
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.
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.
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 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 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.
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.
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 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.
In January, Gdańsk experiences blustery conditions with an average wind speed of 5
February in Gdańsk is relatively dry, with precipitation totaling approximately 31 mm (1.24 in).
March in Gdańsk sees daytime temperatures averaging 6 °C (42 °F), while night temperatures gradually warm up.
April offers the least rainy days in Gdańsk with an average of just 9 days throughout the month.
During May, the sea begins to warm in Gdańsk, reaching an average temperature of 9 °C (48 °F).
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.
July in Gdańsk offers inviting sea temperatures for swimming, averaging 17 °C (63 °F).
The warmest sea temperature in Gdańsk can be enjoyed in August, averaging 18 °C (65 °F)
September nights in Gdańsk start to turn cooler, with an average temperature of 10 °C (51 °F).
October brings lesser sunny hours to Gdańsk, with the number dropping to an average of 3 hours.
November days in Gdańsk tend to be brisk, with daytime temperatures averaging around 6 °C (43 °F).
The shortest day of the year in Gdańsk occurs in December, with daylight lasting only around 7 hours.