World Resorts Poland Gdansk Weather

Gdansk sea water temperature

Current sea water temperature:
+47.7°F
Minimum sea water temperature in May: 65.5°F
Maximum sea water temperature in May: 39.2°F
Average sea water temperature in May: 49.7°F

Sea water temperature for the last 10 days:

May 16 47.7°F May 11 46.8°F
May 15 48.0°F May 10 45.1°F
May 14 47.3°F May 9 43.3°F
May 13 46.0°F May 8 43.0°F
May 12 47.5°F May 7 42.8°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 33.5 °F
February 35.2 °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 10.9 mph

Gdansk on a weather map

Gdansk
+45°F
SW 0 mph
Feels like: +45°F
Precip.: 0%
Places in Poland:
Name
°F
+50°F
+45°F
+43°F
+45°F
+45°F
+46°F
+41°F
+48°F
+45°F
+48°F
+45°F
+46°F
+45°F
+43°F
24 Hours Forecast
Gdansk
Local time: 01:01
May 17, sunday
0300
45°F
E
4 mph
0600
46°F
SE
3 mph
0900
52°F
SW
4 mph
1200
54°F
SW
9 mph
1500
52°F
SW
9 mph
1800
50°F
SW
7 mph
2100
48°F
SW
6 mph
May 18, monday
0000
48°F
SW
4 mph
Units of measurement: °C / °F