The highest day temperature in July 2025 was 86°F. The lowest night temperature was 56°F. The average values for day and night temperatures during July were 70.8°F и 61.7°F respectivly.

The average sea surface temperature in July 2025 for Gdansk was 66.9°F. The maximum and minimum values were 62.0°F and 71.0°F respectively.

Most of the days in July are cloudy but you can also expect sunny or gloomy days.

Precipitation total in July for Gdansk is 3.3 in. It makes july the most rainy month of the year.

The average wind speed in July is 8.8 mph. It makes July 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 July is 9.5 hours.