Current sea water temperature:
+42.3°F
| Minimum sea water temperature in December: | 46.9°F |
| Maximum sea water temperature in December: | 37.8°F |
| Average sea water temperature in December: | 42.6°F |
| more information | |
14 days
forecast
forecast
| Ustka |
monthly
weather
weather
| Ustka |
Sea water temperature for the last 10 days:
| December 21 | 42.3°F | December 16 | 42.8°F |
| December 20 | 42.4°F | December 15 | 43.3°F |
| December 19 | 43.0°F | December 14 | 43.5°F |
| December 18 | 42.8°F | December 13 | 43.3°F |
| December 17 | 43.2°F | December 12 | 43.3°F |
Monthly sea water temperature, °F
When is the warmest sea in Ustka?
Based on the data about daily sea water temperature for the last three years the warmest sea in Ustka was noticed in August, July and September.
Monthly Sea Temperatures in Ustka, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 66.9°F. The highest and lowest sea temperatures during the month were 69.1°F and 64.4°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 65.6°F. The highest and lowest sea temperatures during the month were 68.2°F and 63.5°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 63.8°F. The highest and lowest sea temperatures during the month were 66.4°F and 59.9°F.
current
weather
weather
| Ustka |
weather in
December
December
| Ustka |
Best time for vacation in Ustka
Ustka on a weather map
Places in Poland:
Name
°F
24 Hours Forecast
Ustka
Local time: 11:35
December 21, sunday
1200
41°F
SE
1 mph
1 mph
1500
41°F
S
2 mph
2 mph
1800
39°F
SW
4 mph
4 mph
2100
39°F
W
6 mph
6 mph
December 22, monday
0000
37°F
W
6 mph
6 mph
0300
37°F
W
6 mph
6 mph
0600
37°F
W
7 mph
7 mph
0900
37°F
W
7 mph
7 mph
