The highest day temperature in June 2025 was 77°F. The lowest night temperature was 50°F. The average values for day and night temperatures during June were 67.3°F и 57.2°F respectivly.

The average sea surface temperature in June 2025 for Gdansk was 57.9°F. The maximum and minimum values were 54.4°F and 62.2°F respectively.

Most of the days in June are sunny but you can also expect cloudy and gloomy days.

Precipitation total in June for Gdansk is 2.3 in. It makes june one of the most rainy months of the year.

The average wind speed in June is 8.6 mph. It makes June one of the most windless 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 June is 10.6 hours.