20.12
sat
sat
Day
46°F
E 9 mph
Precip.
0%
0%
Night
37°F
E 6 mph
Precip.
0%
0%
21.12
sun
sun
Day
41°F
E 4 mph
Precip.
0%
0%
Night
37°F
SE 2 mph
Precip.
0%
0%
22.12
mon
mon
Day
39°F
NW 5 mph
Precip.
0%
0%
Night
37°F
W 7 mph
Precip.
0%
0%
23.12
tue
tue
Day
37°F
W 13 mph
Precip.
100%
100%
Night
32°F
W 17 mph
Precip.
75%
75%
24.12
wed
wed
Day
28°F
W 16 mph
Precip.
0%
0%
Night
28°F
W 9 mph
Precip.
0%
0%
25.12
thu
thu
Day
28°F
NW 2 mph
Precip.
0%
0%
Night
27°F
NW 7 mph
Precip.
0%
0%
26.12
fri
fri
Day
28°F
NW 9 mph
Precip.
0%
0%
Night
28°F
NW 11 mph
Precip.
0%
0%
27.12
sat
sat
Day
30°F
N 10 mph
Precip.
0%
0%
Night
28°F
NE 5 mph
Precip.
0%
0%
28.12
sun
sun
Day
32°F
W 4 mph
Precip.
0%
0%
Night
32°F
W 6 mph
Precip.
0%
0%
29.12
mon
mon
Day
32°F
SE 5 mph
Precip.
67%
67%
Night
32°F
E 9 mph
Precip.
25%
25%
30.12
tue
tue
Day
32°F
NE 12 mph
Precip.
0%
0%
Night
30°F
NE 14 mph
Precip.
29%
29%
31.12
wed
wed
Day
30°F
E 8 mph
Precip.
100%
100%
Night
32°F
S 19 mph
Precip.
77%
77%
01.01
thu
thu
Day
32°F
S 16 mph
Precip.
24%
24%
Night
32°F
NE 16 mph
Precip.
100%
100%
02.01
fri
fri
Day
30°F
SE 17 mph
Precip.
100%
100%
Night
28°F
SE 14 mph
Precip.
0%
0%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 43.6°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: 11:52
December 20, saturday
1200
46°F
E
9 mph
9 mph
1500
43°F
E
7 mph
7 mph
1800
41°F
SE
4 mph
4 mph
2100
39°F
E
5 mph
5 mph
December 21, sunday
0000
37°F
E
6 mph
6 mph
0300
37°F
E
6 mph
6 mph
0600
37°F
E
6 mph
6 mph
0900
37°F
E
5 mph
5 mph
