Poland
Gdańsk in January: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Gdańsk in January is climatically mixed. The average daily high is around 1 °C, and the sea is about 4 °C. With about 14 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
17/100 · #11
Warmth
#12
Dryness
#12
Sun
#11
Sea warmth
#10
Published best categories: none
Gdańsk · JanuaryPhoto: Krzysztof Maria Różański, ( Upior polnocy ) · CC BY-SA 3.0Climate facts
- Average high
- 1 °C
- Average low
- -2 °C
- Sea
- 4 °C
- Rainy days (est.)
- 14 rainy days (est.)
- Sun (est.)
- 1 h/day
- Humidity
- 91 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| December | 3 | -0 | 14 | 63 | 0.5 | 91 | 5.5 | 6 | 17 |
| January (selected) | 1 | -2 | 14 | 58 | 0.6 | 91 | 5.7 | 4 | 17 |
| February | 2 | -2 | 13 | 47 | 1.4 | 89 | 5.4 | 3 | 21 |
How do the previous and next months compare?
Baseline: January (17/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| December | ±0 | +1.4 °C | +1.7 °C | -0.1 | +5.1 mm | -0.1 h | +0.3 % | -0.3 m/s | +2 °C |
| February | +4 | +0.6 °C | +0.1 °C | -1.7 | -11.3 mm | +0.8 h | -1.4 % | -0.3 m/s | -1.2 °C |
All twelve months in context
Find a place to stay
Where to stay in Gdańsk
Compare available stays, prices and cancellation terms for Gdańsk on Booking.com.
Booking.comFind places to stayAffiliate link: there is no extra cost to you.
Useful next decisions
Frequently asked questions
How warm is Gdańsk in January?
The average daily high is around 1 °C, with an average daily low of about -2 °C.
Can you swim in Gdańsk in January?
The sea is about 4 °C (cold).
Does it rain a lot in Gdańsk in January?
The curated estimate is about 14 rainy days per month, not a directly measured long-term average. Total precipitation averages around 58 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Gdańsk?
By the climate score, July and August are the strongest months for Gdańsk. January is not among them.