December · Poland
Best time to visit Gdynia in December Weather, crowds & prices
Weather in Gdynia in December
Average temperature 2°C, 71 mm of rain, about 0 days with 6+ hours of sunshine and 91% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
1.9/10
Ranked #12 of 12 months
- Avg temp
- 2°C
- Rainfall
- 71 mm
- Humidity
- 91%
- Days with 6h+ sun
- 0
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
December in Gdynia scores 1.9/10 for beach and coastal travel - ranked #12 of 12. Expect around 2°C, 71 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
Gdynia grew as Poland's modern port, with modernist architecture, a long beach and the Błyskawica destroyer.
December in Gdynia — off-season conditions
December averages 2°C (36°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Rainfall runs 71 mm, so plan one flexible day in three; you still get almost no days with 6+ hours of sunshine and 7 hours of daylight.
It scores 1.9/10 here, 12th of 12 months, against 6.8/10 in the destination's best month.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
Plan for low-season pricing, with crowds are light for this destination.
Flexible dates? August scores 4.9 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Gdynia in December?
- In December, Gdynia averages 2°C, 71 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 1.9/10.
- Is December a good time to visit Gdynia?
- December earns a 1.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Gdynia in December?
- Expect about 71 mm of rain in December. Average humidity is 91% and there are about 0 days with 6+ hours of sunshine.
Curated in Gdynia
Tickets & experiences
Things to do in Gdynia
Gdynia, Poland. Live activities and tours from GetYourGuide, matched to this destination.