World Resorts Poland Gdynia Weather

Gdynia Sea Temperature in December

Average sea water temperature in December:
+42.2°F
Minimum sea water temperature in December: 47.7°F
Maximum sea water temperature in December: 37.0°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 43.1°F. The highest and lowest sea temperatures during the month were 45.3°F and 40.8°F.

Monthly sea water temperature in Gdynia, °F

Which Poland resorts have warmest sea in December?

Place name December 2025 December 2024
Krynica Morska 44.1°F 43.5°F
Gdynia 43.1°F 43.4°F
Vladyslawowo 43.0°F 43.3°F
Leba 42.9°F 42.8°F
Sopot 42.8°F 42.9°F
Gdansk 42.6°F 42.6°F
Ustka 42.5°F 42.1°F
Miedzyzdroje 39.2°F 39.9°F
Szczecin 37.4°F 38.0°F
Wisla 32.0°F 32.0°F

Best time for vacation in Gdynia

Sunniest months:
May 13 days
June 13 days
August 12 days
Warmest months:
August 70.3 °F
July 69.6 °F
June 65.5 °F
Warmest sea temp:
August 67.7 °F
July 65.8 °F
September 63.5 °F
Coldest months:
January 34.7 °F
February 35.9 °F
December 38.5 °F
Rainiest months:
July 5 days
August 4 days
June 3 days
Windiest months:
December 13.3 mph
January 13.2 mph
February 12.2 mph

Gdynia on a weather map

Current weather
01:50
Gdynia
+50°F
N 10 mph
Feels like: +46°F
Precip.: 0%
Places in Poland:
Name
°F
Warsaw
+48°F
Wisla
+48°F
Vladyslawowo
+50°F
Wroclaw
+52°F
Gdansk
+46°F
Gdynia
+50°F
Zakopane
+45°F
Krakow
+46°F
Krynica Morska
+46°F
Leba
+48°F
Miedzyzdroje
+52°F
Poznan
+48°F
Sopot
+50°F
Ustka
+48°F
Szczecin
+48°F
all places
24 Hours Forecast
Gdynia
Local time: 01:50
May 11, monday
0300
50°F
N
10 mph
0600
46°F
N
7 mph
0900
54°F
N
11 mph
1200
59°F
NW
14 mph
1500
63°F
NW
17 mph
1800
59°F
NW
17 mph
2100
55°F
N
11 mph
May 12, tuesday
0000
54°F
N
11 mph
Units of measurement: °C / °F