Measurements:
°C
°F
Gdansk
54°F
N 7 mph
Feels like: 52°F
Precip: 11%
World Resorts Poland Gdansk Weather

Gdansk Sea Water Temperature

Current Sea Water Temperature:
+62.0°F
Maximum Sea Water Temperature in September: 72.0°F
Minimum Sea Water Temperature in September: 57.2°F
Average water temperature in September: 64.7°F

Sea Water Temperature for the Last 10 Days:

September 28 62.0°F September 23 62.6°F
September 27 62.0°F September 22 63.2°F
September 26 59.8°F September 21 63.8°F
September 25 63.0°F September 20 63.6°F
September 24 63.2°F September 19 63.8°F

When is the Warmest Sea for Gdansk?

According to our data for the last three years for Gdansk the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Gdansk was 69.0°F. The maximum and minimum values were 67.6°F and 70.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Gdansk was 67.8°F. The maximum and minimum values were 65.2°F and 73.8°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Gdansk was 65.0°F. The maximum and minimum values were 59.8°F and 68.6°F respectively.

Best Time to Visit Gdansk
The most sunny months:
June 13 days
August 13 days
May 12 days
The most warm months:
August 74.2 °F
July 73.1 °F
June 69.5 °F
Warmest sea temperature:
August 69.4 °F
July 67.5 °F
September 64.7 °F
The most cold months:
January 31.6 °F
February 33.6 °F
December 36.0 °F
The most rainy months:
July 6 days
August 5 days
May 4 days
The most windy months:
December 12 mph
January 11 mph
February 11 mph

Gdansk on the Weather Map

Poland Resorts:
NAME
F°
Gdansk +54
Gdynia +58
Krakow +54
Krynica Morska +54
Leba +62
Miedzyzdroje +62
Poznan +60
Sopot +58
Szczecin +60
Ustka +60
Vladyslawowo +58
Warsaw +60
Wisla +58
Wroclaw +58
Zakopane +44
24 Hours Weather Forecast
Gdansk
Local time: 23:11
29 sep, tuesday
0000 54°F
N
7 mph
0300 52°F
N
7 mph
0600 52°F
N
7 mph
0900 58°F
N
9 mph
1200 68°F
N
12 mph
1500 72°F
N
11 mph
1800 64°F
NW
7 mph
2100 58°F
NW
7 mph