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 43.5°F. The highest and lowest sea temperatures during the month were 45.3°F and 41.9°F.
Monthly sea water temperature in Gdynia, °F
Which Poland resorts have warmest sea in December?
| Place name | December 2025 | December 2024 |
|---|---|---|
| Krynica Morska | 44.8°F | 43.5°F |
| Gdynia | 43.5°F | 43.4°F |
| Sopot | 43.5°F | 42.9°F |
| Vladyslawowo | 43.5°F | 43.3°F |
| Leba | 43.4°F | 42.8°F |
| Gdansk | 43.3°F | 42.6°F |
| Ustka | 43.2°F | 42.1°F |
| Miedzyzdroje | 39.8°F | 39.9°F |
| Szczecin | 37.4°F | 38.0°F |
| Wisla | 32.0°F | 32.0°F |
Best time for vacation in Gdynia
Gdynia on a weather map
Places in Poland:
Name
°F
24 Hours Forecast
Gdynia
Local time: 12:23
December 21, sunday
1500
39°F
SE
4 mph
4 mph
1800
39°F
SE
5 mph
5 mph
2100
39°F
SE
4 mph
4 mph
December 22, monday
0000
37°F
SE
2 mph
2 mph
0300
37°F
SW
2 mph
2 mph
0600
37°F
NW
3 mph
3 mph
0900
37°F
NW
4 mph
4 mph
1200
39°F
NW
4 mph
4 mph
