Measurements:
°C
°F
Duluth
44°F
NW 2 mph
Feels like: 42°F
Precip: 0%
World Resorts USA Duluth Weather

Duluth Sea Water Temperature

Current Sea Water Temperature:
+32.8°F
Maximum Sea Water Temperature in April: 48.2°F
Minimum Sea Water Temperature in April: 30.2°F
Average water temperature in April: 35.4°F

Sea Water Temperature for the Last 10 Days:

April 11 32.8°F April 06 33.2°F
April 10 32.8°F April 05 32.6°F
April 09 33.0°F April 04 32.4°F
April 08 33.0°F April 03 32.2°F
April 07 33.0°F April 02 32.4°F

When is the Warmest Sea for Duluth?

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

Average Water Temperature by Month, °F

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
11
22
33
44
55
66
77
88
35.5
44.5
55
64.1
67.2
65.5
53.2
40.6
35.4
31.8
31.3
32

Sea Water Temperature in August

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
49
54
59
64
69
74
79

The average sea surface temperature in August 2024 for Duluth was 68.7°F. The maximum and minimum values were 64.4°F and 73.8°F respectively.

Sea Water Temperature in July

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
44
49
54
59
64
69
74
79

The average sea surface temperature in July 2024 for Duluth was 68.3°F. The maximum and minimum values were 60.4°F and 74.6°F respectively.

Sea Water Temperature in September

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
54
58
62
66
70
74
78

The average sea surface temperature in September 2024 for Duluth was 67.0°F. The maximum and minimum values were 64.6°F and 69.8°F respectively.

Best Time to Visit Duluth
The most sunny months:
September 15 days
August 14 days
July 13 days
The most warm months:
July 76.9 °F
August 76.5 °F
June 70.9 °F
Warmest sea temperature:
August 67.3 °F
July 65.5 °F
September 64.1 °F
The most cold months:
January 15.0 °F
February 15.5 °F
December 22.5 °F
The most rainy months:
August 3 days
June 3 days
July 3 days
The most windy months:
April 9 mph
March 8 mph
November 8 mph

Duluth on the Weather Map

USA Resorts:
NAME
Boston +36
Chicago +34
Hawaii +76
Honolulu +76
Houston +76
Las Vegas +82
Los Angeles +68
Miami +74
New York +40
Orlando +70
San Diego +60
San Francisco +52
Sarasota +70
Tampa +72
Washington +44
24 Hours Weather Forecast
Duluth
Local time: 23:50
12 apr, saturday
0000 44°F
NW
2 mph
0300 42°F
N
2 mph
0600 38°F
NE
2 mph
0900 44°F
N
7 mph
1200 52°F
N
9 mph
1500 58°F
N
9 mph
1800 54°F
N
5 mph
2100 48°F
SW
6 mph