Current sea water temperature:
+35.1°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: | 39.4°F |
| more information | |
14 days
forecast
forecast
| Sturgeon Bay |
monthly
weather
weather
| Sturgeon Bay |
Sea water temperature for the last 10 days:
| December 24 | 35.1°F | December 19 | 36.9°F |
| December 23 | 35.4°F | December 18 | 37.9°F |
| December 22 | 34.9°F | December 17 | 38.1°F |
| December 21 | 36.3°F | December 16 | 39.0°F |
| December 20 | 37.0°F | December 15 | 39.2°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: 07:38
December 24, wednesday
0900

30°F
NW
5 mph
5 mph
1200

34°F
N
8 mph
8 mph
1500

36°F
N
7 mph
7 mph
1800

34°F
N
6 mph
6 mph
2100

34°F
NE
3 mph
3 mph
December 25, thursday
0000

32°F
SE
6 mph
6 mph
0300

32°F
S
11 mph
11 mph
0600

30°F
S
14 mph
14 mph



























