Gdynia Weather in December
December in Gdynia typically sees daytime highs of 4°C (39°F) and nighttime lows of 0°C (32°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the winter season.
Rainfall in Gdynia in December
Expect around 19 days of snow/rain based on historical data, with 62 mm (2.4 in) average. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Gdynia in December
Expect highs of 4°C (39°F) in Gdynia in December, with nights dropping to around 0°C (32°F). December is known for being in the winter season. Time outdoors is usually more comfortable with proper winter clothing and protection from wind. Nights are well below freezing at 0°C (32°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation. As one of the coldest months, it's important to layer up to stay warm. Don't let the chill catch you off-guard.December in Gdynia has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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 Gdynia's climate page.
Gdynia Temperature in December
Min Temperature
0°C (32°F)
Max Temperature
4°C (39°F)
Chance of Rain
64%
Precipitation
62 mm (2.4 in)
Rainy days
19 days
Humidity
83%
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Gdynia typically stay consistent throughout December, with daily highs averaging around 4°C (39°F). Nights are very cold, with lows typically ranging from -2°C (28°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 Gdynia in December
Browse day-by-day weather records for Gdynia spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Gdynia historical weather extremes in December
Our historical data for Gdynia spans 1982 to 2025, revealing these weather extremes.
- The hottest December day on record in Gdynia reached 14°C (57°F) (December 6, 2006).
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 →
perfect weather
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tolerable
unpleasant
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What to Wear in Gdynia in December
Dress warmly and in layers for your trip to Gdynia in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Wet weather is likely, so pack waterproof gear for multiple rainy days.What To Do in Gdynia 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 Gdynia's climate page.
See the full Gdynia climate overview or explore weather in Poland.
