Climate averages 1991–2020
Gdynia weather
in January.
A cold month with moderate precipitation: the coolest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cold month in Gdynia: daytime highs average 1.8°C and nights cool to about -2.0°C. By daytime temperature it is the coolest month of the year.
Expect about 47 mm of precipitation on roughly 12 days, which makes January a month with moderate precipitation (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 7 h 56 min on an average January day.
The nearest other city in this atlas is Gdańsk (20 km away). In January its highs average 1.6°C, about as warm as Gdynia, with 35 mm of precipitation.
Among the 60 cities listed in Poland, Gdynia ranks joint 11th of 60 for the warmest January highs and joint 49th of 60 for the driest January (precipitation, lowest first). The mean January high of those 60 cities is 1.1°C; Gdynia is 0.7°C warmer than that mean.
From January to February, average highs rise by 0.8°C to 2.6°C, and monthly precipitation falls from 47 mm to 38 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
Gdynia climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 1.8°C-2.0°C | -2.0°C | 47 | 11.9 | 7.98 h |
| February | 2.6°C-1.9°C | -1.9°C | 38 | 10.1 | 9.710 h |
| March | 6.1°C-0.2°C | -0.2°C | 44 | 10.8 | 11.812 h |
| April | 11.6°C3.5°C | 3.5°C | 42 | 9.3 | 14.014 h |
| May | 16.3°C8.2°C | 8.2°C | 62 | 11.1 | 16.016 h |
| June | 19.6°C12.1°C | 12.1°C | 73 | 12.8 | 17.217 h |
| July | 21.9°C14.8°C | 14.8°C | 92 | 13.6 | 16.717 h |
| August | 21.9°C14.9°C | 14.9°C | 81 | 12.6 | 14.915 h |
| September | 17.6°C11.6°C | 11.6°C | 65 | 11.4 | 12.813 h |
| October | 12.2°C7.2°C | 7.2°C | 63 | 11.9 | 10.611 h |
| November | 6.8°C3.1°C | 3.1°C | 50 | 11.7 | 8.59 h |
| December | 3.2°C-0.3°C | -0.3°C | 52 | 11.9 | 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
- Gdańsk in JanuaryPoland · 20 kmHigh 1.6°C · Low -2.2°C · 35 mm precipitation
- Elbląg in JanuaryPoland · 70 kmHigh 1.2°C · Low -2.6°C · 47 mm precipitation
- Słupsk in JanuaryPoland · 97 kmHigh 2.1°C · Low -1.4°C · 59 mm rain
- Grudziądz in JanuaryPoland · 116 kmHigh 1.0°C · Low -3.3°C · 38 mm precipitation
- Kaliningrad in JanuaryRussia · 129 kmHigh 0.8°C · Low -3.5°C · 47 mm precipitation
- Olsztyn in JanuaryPoland · 152 kmHigh -0.4°C · Low -4.6°C · 43 mm precipitation
- Fordon in JanuaryPoland · 154 kmHigh 1.3°C · Low -2.9°C · 38 mm precipitation
- Koszalin in JanuaryPoland · 157 kmHigh 2.1°C · Low -1.6°C · 54 mm rain
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 Gdynia) is explained once on the Gdynia year overview and on the Sources, method and limits page.