Current sea water temperature:
+43.2°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 17 | 43.2°F | December 12 | 43.3°F |
| December 16 | 42.8°F | December 11 | 43.3°F |
| December 15 | 43.3°F | December 10 | 43.5°F |
| December 14 | 43.5°F | December 9 | 43.2°F |
| December 13 | 43.3°F | December 8 | 42.8°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: 02:37
December 18, thursday
0300
41°F
NE
11 mph
11 mph
0600
41°F
NE
9 mph
9 mph
0900
43°F
NE
11 mph
11 mph
1200
45°F
NE
12 mph
12 mph
1500
43°F
N
11 mph
11 mph
1800
43°F
N
12 mph
12 mph
2100
43°F
N
12 mph
12 mph
December 19, friday
0000
41°F
N
12 mph
12 mph
