Climate averages 1991–2020
Gdańsk weather
in January.
A cold month with light precipitation: the coolest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cold month in Gdańsk: daytime highs average 1.6°C and nights cool to about -2.2°C. By daytime temperature it is the coolest month of the year.
Expect about 35 mm of precipitation on roughly 10 days, which makes January a month with light precipitation (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 7 h 57 min on an average January day.
The nearest other city in this atlas is Gdynia (20 km away). In January its highs average 1.8°C, about as warm as Gdańsk, with 47 mm of precipitation.
Among the 60 cities listed in Poland, Gdańsk ranks joint 13th of 60 for the warmest January highs and 1st of 60 for the driest January (precipitation, lowest first). The mean January high of those 60 cities is 1.1°C; Gdańsk is 0.5°C warmer than that mean.
From January to February, average highs rise by 0.9°C to 2.5°C, and monthly precipitation falls from 35 mm to 29 mm.
The annual picture
January in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Gdańsk climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 1.6°C-2.2°C | -2.2°C | 35 | 10.0 | 8.08 h |
| February | 2.5°C-2.1°C | -2.1°C | 29 | 8.5 | 9.710 h |
| March | 6.2°C-0.2°C | -0.2°C | 36 | 10.0 | 11.812 h |
| April | 11.9°C3.5°C | 3.5°C | 40 | 9.6 | 14.014 h |
| May | 16.7°C8.1°C | 8.1°C | 59 | 11.3 | 16.016 h |
| June | 20.1°C12.1°C | 12.1°C | 67 | 12.4 | 17.117 h |
| July | 22.3°C14.8°C | 14.8°C | 84 | 12.9 | 16.617 h |
| August | 22.3°C14.8°C | 14.8°C | 69 | 12.0 | 14.915 h |
| September | 17.8°C11.4°C | 11.4°C | 51 | 9.3 | 12.813 h |
| October | 12.2°C7.0°C | 7.0°C | 46 | 10.1 | 10.611 h |
| November | 6.7°C2.9°C | 2.9°C | 37 | 9.2 | 8.69 h |
| December | 3.0°C-0.6°C | -0.6°C | 40 | 9.7 | 7.47 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- Gdynia in JanuaryPoland · 20 kmHigh 1.8°C · Low -2.0°C · 47 mm precipitation
- Elbląg in JanuaryPoland · 54 kmHigh 1.2°C · Low -2.6°C · 47 mm precipitation
- Grudziądz in JanuaryPoland · 97 kmHigh 1.0°C · Low -3.3°C · 38 mm precipitation
- Słupsk in JanuaryPoland · 106 kmHigh 2.1°C · Low -1.4°C · 59 mm rain
- Kaliningrad in JanuaryRussia · 126 kmHigh 0.8°C · Low -3.5°C · 47 mm precipitation
- Olsztyn in JanuaryPoland · 136 kmHigh -0.4°C · Low -4.6°C · 43 mm precipitation
- Fordon in JanuaryPoland · 138 kmHigh 1.3°C · Low -2.9°C · 38 mm precipitation
- Bydgoszcz in JanuaryPoland · 143 kmHigh 1.4°C · Low -3.0°C · 38 mm precipitation
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Gdańsk) is explained once on the Gdańsk year overview and on the Sources, method and limits page.