21.12
sun
sun
Day
41°F
SE 7 mph
Precip.
0%
0%
Night
37°F
S 4 mph
Precip.
0%
0%
22.12
mon
mon
Day
39°F
N 4 mph
Precip.
0%
0%
Night
39°F
W 5 mph
Precip.
74%
74%
23.12
tue
tue
Day
36°F
W 14 mph
Precip.
100%
100%
Night
28°F
W 15 mph
Precip.
0%
0%
24.12
wed
wed
Day
28°F
W 12 mph
Precip.
0%
0%
Night
28°F
NW 6 mph
Precip.
0%
0%
25.12
thu
thu
Day
30°F
NE 4 mph
Precip.
0%
0%
Night
32°F
E 14 mph
Precip.
0%
0%
26.12
fri
fri
Day
37°F
SE 12 mph
Precip.
71%
71%
Night
37°F
SE 7 mph
Precip.
28%
28%
27.12
sat
sat
Day
39°F
SE 16 mph
Precip.
75%
75%
Night
37°F
S 20 mph
Precip.
85%
85%
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.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 39.5°F. The highest and lowest sea temperatures during the month were 41.9°F and 37.9°F.
Air temperature in Gdynia, °F
Precipitation total in Gdynia, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Gdynia
Gdynia on a weather map
Places in Poland:
Name
°F
24 Hours Forecast
Gdynia
Local time: 09:47
December 21, sunday
1200
41°F
SE
7 mph
7 mph
1500
39°F
E
6 mph
6 mph
1800
39°F
SE
6 mph
6 mph
2100
37°F
SE
5 mph
5 mph
December 22, monday
0000
37°F
S
4 mph
4 mph
0300
37°F
S
2 mph
2 mph
0600
39°F
W
4 mph
4 mph
0900
37°F
NW
4 mph
4 mph
