Current sea water temperature:
+41.7°F
| Minimum sea water temperature in December: | 48.0°F |
| Maximum sea water temperature in December: | 34.3°F |
| Average sea water temperature in December: | 39.6°F |
| more information | |
14 days
forecast
forecast
| Sturgeon Bay |
monthly
weather
weather
| Sturgeon Bay |
Sea water temperature for the last 10 days:
| December 4 | 41.7°F | November 29 | 43.5°F |
| December 3 | 41.4°F | November 28 | 43.3°F |
| December 2 | 42.8°F | November 27 | 43.7°F |
| December 1 | 42.8°F | November 26 | 43.9°F |
| November 30 | 43.2°F | November 25 | 44.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Sturgeon Bay?
Based on the data about daily sea water temperature for the last three years the warmest sea in Sturgeon Bay was noticed in August, July and September.
Monthly Sea Temperatures in Sturgeon Bay, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 70.0°F. The highest and lowest sea temperatures during the month were 73.0°F and 67.3°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 67.9°F. The highest and lowest sea temperatures during the month were 75.2°F and 60.4°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 64.1°F. The highest and lowest sea temperatures during the month were 68.9°F and 58.1°F.
current
weather
weather
| Sturgeon Bay |
weather in
December
December
| Sturgeon Bay |
Best time for vacation in Sturgeon Bay
Sturgeon Bay on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Sturgeon Bay
Local time: 22:45
December 05, friday
0000

10°F
NE
21 mph
21 mph
0300

12°F
NE
22 mph
22 mph
0600

14°F
NE
20 mph
20 mph
0900

18°F
NE
17 mph
17 mph
1200

23°F
NE
14 mph
14 mph
1500

25°F
NE
14 mph
14 mph
1800

27°F
NE
13 mph
13 mph
2100

27°F
NE
15 mph
15 mph



























