World Resorts USA Duluth Weather

Duluth Sea Temperature in May

Average sea water temperature in May:
+41.9°F
Minimum sea water temperature in May: 55.2°F
Maximum sea water temperature in May: 34.2°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 42.5°F. The highest and lowest sea temperatures during the month were 47.1°F and 37.0°F.

Monthly sea water temperature in Duluth, °F

Which USA resorts have warmest sea in May?

Place name May 2026 May 2025
Everglades 84.5°F 84.5°F
Key West 84.2°F 83.5°F
Key Largo 84.0°F 83.5°F
Miami 83.3°F 82.6°F
Cape Coral 83.2°F 83.4°F
Marco Island 83.1°F 83.5°F
Hialeah 82.9°F 82.3°F
Naples 82.8°F 83.5°F
Miami Beach 82.6°F 82.4°F
St. Petersburg 81.9°F 82.6°F
Tampa 81.8°F 82.7°F
West Palm Beach 81.6°F 81.1°F
Fort Lauderdale 81.6°F 81.1°F
Sarasota 81.4°F 82.7°F
Clearwater Beach 81.4°F 82.6°F
Siesta Key 81.2°F 82.5°F
Cocoa Beach 80.3°F 79.4°F
Corpus Christi 79.4°F 80.9°F
Orlando 78.3°F 77.2°F
Galveston 78.3°F 79.6°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 68.5 °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:
June 3 days
August 3 days
July 3 days
Windiest months:
April 8.8 mph
March 8.4 mph
November 8.3 mph

Duluth on a weather map

Duluth
+52°F
W 6 mph
Feels like: +46°F
Precip.: 0%
Places in USA:
Name
°F
+43°F
+75°F
+75°F
+72°F
+61°F
+77°F
+81°F
+70°F
+48°F
+61°F
+52°F
+79°F
+77°F
+77°F
+64°F
24 Hours Forecast
Duluth
Local time: 01:05
May 31, sunday
0300
50°F
W
6 mph
0600
50°F
SW
6 mph
0900
52°F
W
6 mph
1200
57°F
W
6 mph
1500
59°F
W
7 mph
1800
55°F
W
7 mph
2100
48°F
SW
4 mph
June 01, monday
0000
46°F
SW
3 mph
Units of measurement: °C / °F