World Resorts Poland Gdansk Weather

Gdansk sea water temperature

Current sea water temperature:
+37.9°F
Minimum sea water temperature in January: 42.1°F
Maximum sea water temperature in January: 33.1°F
Average sea water temperature in January: 37.8°F

Sea water temperature for the last 10 days:

January 5 37.9°F December 31 39.2°F
January 4 37.8°F December 30 39.0°F
January 3 37.6°F December 29 39.9°F
January 2 37.9°F December 28 41.4°F
January 1 37.4°F December 27 41.5°F

When is the warmest sea in Gdansk?

Based on the data about daily sea water temperature for the last three years the warmest sea in Gdansk was noticed in August, July and September.

Monthly Sea Temperatures in Gdansk, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 66.8°F. The highest and lowest sea temperatures during the month were 69.3°F and 64.4°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 65.2°F. The highest and lowest sea temperatures during the month were 68.9°F and 60.8°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 63.7°F. The highest and lowest sea temperatures during the month were 66.6°F and 60.1°F.

Best time for vacation in Gdansk

Sunniest months:
June 13 days
August 13 days
May 12 days
Warmest months:
August 71.8 °F
July 70.9 °F
June 67.6 °F
Warmest sea temp:
August 67.5 °F
July 65.7 °F
September 63.2 °F
Coldest months:
January 33.9 °F
February 35.6 °F
December 37.4 °F
Rainiest months:
July 7 days
August 5 days
May 4 days
Windiest months:
December 12.1 mph
January 11.6 mph
February 11.0 mph

Gdansk on a weather map

Gdansk
+28°F
NE 7 mph
Feels like: +21°F
Precip.: 0%
Places in Poland:
Name
°F
+25°F
+27°F
+27°F
+27°F
+28°F
+28°F
+23°F
+27°F
+30°F
+32°F
+27°F
+28°F
+30°F
+28°F
24 Hours Forecast
Gdansk
Local time: 15:28
January 05, monday
1800
27°F
NE
9 mph
2100
25°F
NE
9 mph
January 06, tuesday
0000
28°F
N
7 mph
0300
27°F
NE
8 mph
0600
25°F
NE
8 mph
0900
25°F
NE
8 mph
1200
28°F
NE
8 mph
1500
27°F
NE
6 mph
Units of measurement: °C / °F