Gdańsk Weather in December
Gdańsk in December averages 4°C (39°F) during the day and -1°C (30°F) at night. This is part of the winter season. Some snow/rainfall is to be expected.
Rainfall in Gdańsk in December
Climate statistics over the past 30 years suggest around 19 days of snow/rain, with 53 mm (2.1 in) average for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.
Temperature in Gdańsk in December
In December, Gdańsk gets low temperatures, with highs of 4°C (39°F). Nights cool to around -1°C (30°F). The winter season is characteristic of December. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. With overnight lows of -1°C (30°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. As one of the coldest months, it's important to layer up to stay warm. Don't let the chill catch you off-guard.
Sunshine in Gdańsk in December
With limited sunshine this month, there are about 31 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.
Wind Speed in Gdańsk in December
Average wind speeds reach 3 m/s (6 knots) in December, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.
Average water temperature in December
The water sits at 5°C (41°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Gdańsk. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Poland, check out our Gdańsk's climate page.
Gdańsk Temperature in December
Min Temperature
-1°C (30°F)
Max Temperature
4°C (39°F)
Water Temperature
5°C (41°F)
Chance of Rain
63%
Precipitation
53 mm (2.1 in)
Rainy days
19 days
Humidity
88%
Windspeed
3 m/s (6 knots)
Sunshine
31 hours
Percentage Sunshine
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Gdańsk typically stay consistent throughout December, with daily highs averaging around 4°C (39°F). Nights are very cold, with lows typically ranging from -3°C (27°F) to 0°C (32°F).
Average temperatures in December
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Gdańsk in December
Browse day-by-day weather records for Gdańsk spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Gdańsk historical weather extremes in December
Based on weather observations in Gdańsk between 1982 and 2025, these are the recorded extremes during December.
- The warmest day in December was on December 6, 2006, with a maximum of 13°C (55°F).
Best Places in Poland in December
Find out more about the weather in Poland and which places have the best travel conditions in this month. See all of Poland in December →
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What to Wear in Gdańsk in December
We recommend to layer up for chilly conditions in Gdańsk in December. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Rain is likely on several days, so bring a good rain jacket. Expect water temperatures of around 5°C (41°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.What To Do in Gdańsk in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Poland, check out our Gdańsk's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Gdańsk climate overview or explore weather in Poland.
