World Resorts USA Duluth Weather

Duluth sea water temperature

Current sea water temperature:
+35.4°F
Minimum sea water temperature in April: 48.4°F
Maximum sea water temperature in April: 32.2°F
Average sea water temperature in April: 36.8°F

Sea water temperature for the last 10 days:

April 15 35.4°F April 10 34.5°F
April 14 34.9°F April 9 34.7°F
April 13 34.9°F April 8 34.7°F
April 12 34.9°F April 7 34.7°F
April 11 34.5°F April 6 34.9°F

When is the warmest sea in Duluth?

Based on the data about daily sea water temperature for the last three years the warmest sea in Duluth was noticed in August, July and September.

Monthly Sea Temperatures in Duluth, °F

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
11
22
33
44
55
66
77
88
36.9
45
54.5
62.7
65.5
63.9
52.8
41.5
36.8
33.7
33.2
33.8

Sea water temperature in August, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
49
53
57
61
65
69
73
77

The average sea water temperature in August of 2024 was 66.8°F. The highest and lowest sea temperatures during the month were 71.4°F and 63.0°F.

Sea water temperature in July, °F

Show 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 water temperature in July of 2024 was 66.5°F. The highest and lowest sea temperatures during the month were 72.1°F and 59.4°F.

Sea water temperature in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
53
56
59
62
65
68
71
74

The average sea water temperature in September of 2024 was 65.3°F. The highest and lowest sea temperatures during the month were 67.8°F and 63.1°F.

Best time for vacation in Duluth

Sunniest months:
September 15 days
August 14 days
July 13 days
Warmest months:
July 74.2 °F
August 73.8 °F
June 68.8 °F
Warmest sea temp:
August 65.5 °F
July 63.9 °F
September 62.7 °F
Coldest months:
January 18.5 °F
February 18.9 °F
December 25.2 °F
Rainiest months:
August 3 days
June 3 days
July 3 days
Windiest months:
April 9.1 mph
March 8.4 mph
November 8.1 mph

Duluth on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+52°F
+63°F
+73°F
+73°F
+63°F
+54°F
+73°F
+54°F
+66°F
+55°F
+52°F
+70°F
+70°F
+68°F
+43°F
24 Hours Forecast
Duluth
Local time: 07:51
April 15, tuesday
0900
34°F
SE
13 mph
1200
37°F
SE
14 mph
1500
41°F
SE
14 mph
1800
43°F
SE
11 mph
2100
37°F
SE
5 mph
April 16, wednesday
0000
34°F
S
3 mph
0300
32°F
S
3 mph
0600
30°F
S
2 mph
Units of measurement: °C / °F