World Resorts USA Duluth Weather

Duluth Sea Temperature in July

Average sea water temperature in July:
+63.8°F
Minimum sea water temperature in July: 72.1°F
Maximum sea water temperature in July: 48.6°F

Daily sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 63.4°F. The highest and lowest sea temperatures during the month were 71.2°F and 58.1°F.

Monthly sea water temperature in Duluth, °F

Which USA resorts have warmest sea in July?

Place name July 2025 July 2024
New Orleans 87.4°F 87.1°F
Clearwater Beach 87.1°F 88.3°F
St. Petersburg 87.0°F 88.0°F
Sarasota 86.9°F 87.9°F
Siesta Key 86.9°F 87.9°F
Tampa 86.8°F 87.4°F
Key West 86.7°F 87.6°F
Naples 86.6°F 87.2°F
Miami 86.3°F 86.9°F
Panama City Beach 86.3°F 86.8°F
Houston 86.3°F 86.4°F
Destin 86.3°F 86.6°F
Miami Beach 86.0°F 86.5°F
Tybee Island 85.4°F 85.8°F
Corpus Christi 85.3°F 86.6°F
Fort Lauderdale 85.0°F 86.0°F
Washington 84.8°F 83.9°F
Charleston (SC) 84.7°F 85.2°F
West Palm Beach 84.6°F 85.7°F
Isle of Palms 84.3°F 85.0°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 67.8 °F
Warmest sea temp:
August 65.9 °F
July 63.8 °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
+73°F
W 9 mph
Feels like: +77°F
Precip.: 2%
Places in USA:
Name
°F
+79°F
+79°F
+108°F
+77°F
+88°F
+86°F
+75°F
+82°F
+86°F
+72°F
+63°F
+90°F
+86°F
+88°F
+70°F
24 Hours Forecast
Duluth
Local time: 18:24
June 26, friday
2100
64°F
SW
9 mph
June 27, saturday
0000
63°F
SW
6 mph
0300
61°F
W
6 mph
0600
55°F
SW
6 mph
0900
61°F
W
6 mph
1200
66°F
W
8 mph
1500
66°F
W
11 mph
1800
63°F
W
11 mph
Units of measurement: °C / °F