Current sea water temperature:
+41.9°F
| Minimum sea water temperature in December: | 47.7°F |
| Maximum sea water temperature in December: | 37.0°F |
| Average sea water temperature in December: | 42.2°F |
| more information | |
14 days
forecast
forecast
| Gdynia |
monthly
weather
weather
| Gdynia |
Sea water temperature for the last 10 days:
| December 28 | 41.9°F | December 23 | 43.7°F |
| December 27 | 40.8°F | December 22 | 42.4°F |
| December 26 | 42.4°F | December 21 | 42.8°F |
| December 25 | 43.3°F | December 20 | 43.7°F |
| December 24 | 43.2°F | December 19 | 43.7°F |
Monthly sea water temperature, °F
When is the warmest sea in Gdynia?
Based on the data about daily sea water temperature for the last three years the warmest sea in Gdynia was noticed in August, July and September.
Monthly Sea Temperatures in Gdynia, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 66.7°F. The highest and lowest sea temperatures during the month were 69.6°F and 64.0°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 64.7°F. The highest and lowest sea temperatures during the month were 68.2°F and 59.9°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 64.3°F. The highest and lowest sea temperatures during the month were 66.9°F and 60.8°F.
current
weather
weather
| Gdynia |
weather in
January
January
| Gdynia |
Best time for vacation in Gdynia
Gdynia on a weather map
Places in Poland:
Name
°F
24 Hours Forecast
Gdynia
Local time: 00:52
December 29, monday
0300
37°F
E
9 mph
9 mph
0600
36°F
SE
12 mph
12 mph
0900
36°F
E
9 mph
9 mph
1200
37°F
E
9 mph
9 mph
1500
37°F
SE
8 mph
8 mph
1800
36°F
SE
12 mph
12 mph
2100
34°F
S
18 mph
18 mph
December 30, tuesday
0000
34°F
S
18 mph
18 mph
