World Resorts USA Duluth Weather

Duluth Sea Temperature in October

Average sea water temperature in October:
+54.9°F
Minimum sea water temperature in October: 65.7°F
Maximum sea water temperature in October: 43.0°F

Daily sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 56.9°F. The highest and lowest sea temperatures during the month were 62.4°F and 50.0°F.

Monthly sea water temperature in Duluth, °F

Which USA resorts have warmest sea in October?

Place name October 2025 October 2024
South Padre Island 84.0°F 82.4°F
Key West 83.8°F 82.9°F
West Palm Beach 83.5°F 83.3°F
Fort Lauderdale 83.5°F 83.0°F
Miami Beach 83.4°F 83.4°F
Miami 82.7°F 82.9°F
Corpus Christi 82.2°F 80.6°F
Naples 81.9°F 81.6°F
Kauai 81.3°F 79.2°F
Kailua Kona 80.9°F 80.6°F
Honolulu 80.7°F 80.6°F
Hawaii 80.6°F 80.5°F
Houston 80.4°F 78.8°F
Siesta Key 80.4°F 80.7°F
Sarasota 80.2°F 80.5°F
Maui 79.8°F 79.4°F
Oahu 79.8°F 80.2°F
Tampa 79.4°F 79.3°F
St. Petersburg 79.4°F 79.0°F
Panama City Beach 79.2°F 78.9°F

Best time for vacation in Duluth

Sunniest months:
September 14 days
August 13 days
July 12 days
Warmest months:
July 74.7 °F
August 73.8 °F
June 67.9 °F
Warmest sea temp:
August 65.9 °F
July 64.0 °F
September 62.4 °F
Coldest months:
January 17.9 °F
February 20.0 °F
December 24.2 °F
Rainiest months:
August 3 days
July 3 days
June 2 days
Windiest months:
April 8.8 mph
March 8.4 mph
November 8.3 mph

Duluth on a weather map

Duluth
+64°F
SE 16 mph
Feels like: +64°F
Precip.: 8%
Places in USA:
Name
°F
+88°F
+97°F
+79°F
+111°F
+93°F
+95°F
+73°F
+91°F
+90°F
+86°F
+82°F
+84°F
+93°F
+95°F
+84°F
24 Hours Forecast
Duluth
Local time: 13:15
July 21, tuesday
1500
70°F
S
14 mph
1800
64°F
S
12 mph
2100
59°F
SW
6 mph
July 22, wednesday
0000
57°F
SE
5 mph
0300
48°F
SE
5 mph
0600
46°F
SE
5 mph
0900
63°F
E
6 mph
1200
70°F
E
4 mph
Units of measurement: °C / °F