Measurements:
°C
°F
Bayfield
10°F
NE 17 mph
Feels like: -6°F
Precip: 69%
World Resorts USA Bayfield Weather

Bayfield Sea Water Temperature

Current Sea Water Temperature:
+40.2°F
Maximum Sea Water Temperature in December: 43.2°F
Minimum Sea Water Temperature in December: 32.0°F
Average water temperature in December: 37.8°F

Sea Water Temperature for the Last 10 Days:

December 04 40.2°F November 29 41.8°F
December 03 41.0°F November 28 42.4°F
December 02 41.0°F November 27 43.4°F
December 01 41.4°F November 26 44.0°F
November 30 41.4°F November 25 44.8°F

When is the Warmest Sea for Bayfield?

According to our data for the last three years for Bayfield 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 Bayfield was 69.2°F. The maximum and minimum values were 64.0°F and 72.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Bayfield was 64.5°F. The maximum and minimum values were 60.4°F and 68.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Bayfield was 64.1°F. The maximum and minimum values were 60.4°F and 67.0°F respectively.

Best Time to Visit Bayfield
The most sunny months:
September 15 days
August 13 days
October 12 days
The most warm months:
August 74.5 °F
July 73.4 °F
September 68.3 °F
Warmest sea temperature:
August 69.6 °F
July 66.4 °F
September 64.3 °F
The most cold months:
February 17.3 °F
January 17.8 °F
December 25.2 °F
The most rainy months:
April 3 days
August 2 days
June 2 days
The most windy months:
November 10 mph
December 9 mph
October 9 mph

Bayfield on the Weather Map

USA Resorts:
NAME
Chicago 0
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +18
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Bayfield
Local time: 00:42
05 dec, friday
0300 12°F
NE
12 mph
0600 14°F
NE
9 mph
0900 16°F
NE
7 mph
1200 20°F
NE
8 mph
1500 24°F
E
9 mph
1800 24°F
E
10 mph
2100 24°F
SE
12 mph
06 dec, saturday
0000 20°F
SE
12 mph