Measurements:
°C
°F
Sturgeon Bay
-6°F
SE 7 mph
Feels like: -20°F
Precip: 0%
World Resorts USA Sturgeon Bay Weather

Sturgeon Bay Sea Water Temperature

Current Sea Water Temperature:
+30.8°F
Maximum Sea Water Temperature in January: 36.6°F
Minimum Sea Water Temperature in January: 30.4°F
Average water temperature in January: 32.7°F

Sea Water Temperature for the Last 10 Days:

January 29 30.8°F January 24 31.8°F
January 28 31.0°F January 23 31.4°F
January 27 30.6°F January 22 31.4°F
January 26 31.4°F January 21 31.6°F
January 25 31.4°F January 20 31.6°F

When is the Warmest Sea for Sturgeon Bay?

According to our data for the last three years for Sturgeon Bay the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Sturgeon Bay was 72.2°F. The maximum and minimum values were 69.2°F and 75.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Sturgeon Bay was 69.8°F. The maximum and minimum values were 61.6°F and 78.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Sturgeon Bay was 65.7°F. The maximum and minimum values were 59.0°F and 71.0°F respectively.

Best Time to Visit Sturgeon Bay
The most sunny months:
August 15 days
September 13 days
October 13 days
The most warm months:
August 76.8 °F
July 76.8 °F
June 70.3 °F
Warmest sea temperature:
August 72.6 °F
July 71.0 °F
September 67.0 °F
The most cold months:
January 20.5 °F
February 22.0 °F
December 28.2 °F
The most rainy months:
July 3 days
April 3 days
June 2 days
The most windy months:
November 11 mph
December 11 mph
March 11 mph

Sturgeon Bay on the Weather Map

USA Resorts:
NAME
Chicago 0
Hawaii +74
Honolulu +74
Houston +38
Las Vegas +48
Los Angeles +56
Maui +68
Miami +64
Miami Beach +70
New York +12
San Diego +60
San Francisco +50
Sarasota +58
Tampa +58
Washington +12
24 Hours Weather Forecast
Sturgeon Bay
Local time: 09:54
29 jan, thursday
1200 2°F
SE
7 mph
1500 6°F
SE
6 mph
1800 2°F
S
3 mph
2100 0°F
S
5 mph
30 jan, friday
0000 -2°F
S
9 mph
0300 -6°F
S
12 mph
0600 -4°F
S
13 mph
0900 0°F
S
13 mph