The highest day temperature in January 2025 was 46°F. The lowest night temperature was 28°F. The average values for day and night temperatures during January were 37.9°F и 35.4°F respectivly.

The average sea surface temperature in January 2025 for Gdansk was 37.2°F. The maximum and minimum values were 35.4°F and 39.2°F respectively.

Most of the days in January are gloomy but you can also expect sunny days.

Precipitation total in January for Gdansk is 1.7 in.

The average wind speed in January is 11.6 mph. It makes January one of the most windy months of the year for Gdansk.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Gdansk in January is 2.4 hours.