19.12
fri
fri
Day
46°F
N 15 mph
Precip.
0%
0%
Night
45°F
NE 9 mph
Precip.
100%
100%
20.12
sat
sat
Day
45°F
E 9 mph
Precip.
0%
0%
Night
37°F
NE 4 mph
Precip.
0%
0%
21.12
sun
sun
Day
39°F
N 5 mph
Precip.
0%
0%
Night
36°F
NW 5 mph
Precip.
0%
0%
22.12
mon
mon
Day
37°F
W 7 mph
Precip.
0%
0%
Night
36°F
W 9 mph
Precip.
0%
0%
23.12
tue
tue
Day
39°F
W 14 mph
Precip.
0%
0%
Night
36°F
W 10 mph
Precip.
80%
80%
24.12
wed
wed
Day
34°F
W 7 mph
Precip.
0%
0%
Night
32°F
W 4 mph
Precip.
0%
0%
25.12
thu
thu
Day
32°F
N 4 mph
Precip.
0%
0%
Night
32°F
E 6 mph
Precip.
0%
0%
26.12
fri
fri
Day
36°F
E 8 mph
Precip.
0%
0%
Night
36°F
E 6 mph
Precip.
82%
82%
27.12
sat
sat
Day
36°F
SE 4 mph
Precip.
79%
79%
Night
37°F
SE 4 mph
Precip.
0%
0%
28.12
sun
sun
Day
36°F
E 6 mph
Precip.
0%
0%
Night
34°F
E 8 mph
Precip.
0%
0%
29.12
mon
mon
Day
36°F
E 9 mph
Precip.
0%
0%
Night
34°F
E 6 mph
Precip.
0%
0%
30.12
tue
tue
Day
37°F
NW 4 mph
Precip.
71%
71%
Night
32°F
NW 8 mph
Precip.
0%
0%
31.12
wed
wed
Day
30°F
N 5 mph
Precip.
0%
0%
Night
30°F
E 7 mph
Precip.
0%
0%
01.01
thu
thu
Day
32°F
E 9 mph
Precip.
0%
0%
Night
36°F
E 6 mph
Precip.
78%
78%
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: 02:50
December 19, friday
0300
41°F
N
12 mph
12 mph
0600
41°F
N
15 mph
15 mph
0900
41°F
N
16 mph
16 mph
1200
46°F
N
15 mph
15 mph
1500
46°F
NE
13 mph
13 mph
1800
45°F
NE
12 mph
12 mph
2100
45°F
NE
10 mph
10 mph
December 20, saturday
0000
45°F
NE
9 mph
9 mph
