World Resorts USA Dennis Port Weather

Dennis Port Sea Temperature in May

Average sea water temperature in May:
+54.1°F
Minimum sea water temperature in May: 62.6°F
Maximum sea water temperature in May: 45.0°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 54.8°F. The highest and lowest sea temperatures during the month were 59.7°F and 49.5°F.

Monthly sea water temperature in Dennis Port, °F

Which USA resorts have warmest sea in May?

Place name May 2026 May 2025
Key West 84.3°F 83.5°F
Key Largo 84.0°F 83.5°F
Miami 83.3°F 82.6°F
Cape Coral 83.3°F 83.4°F
Naples 82.9°F 83.5°F
Miami Beach 82.7°F 82.4°F
Tampa 81.9°F 82.7°F
West Palm Beach 81.7°F 81.1°F
Fort Lauderdale 81.7°F 81.1°F
Clearwater Beach 81.5°F 82.6°F
Sarasota 81.5°F 82.7°F
Siesta Key 81.3°F 82.5°F
Port St. Lucie 80.8°F 78.9°F
Cocoa Beach 80.4°F 79.4°F
Corpus Christi 79.5°F 80.9°F
Kailua Kona 79.4°F 79.1°F
Galveston 78.4°F 79.6°F
Orlando 78.4°F 77.2°F
Houston 78.4°F 79.5°F
Daytona Beach 78.1°F 76.0°F

Best time for vacation in Dennis Port

Sunniest months:
November 15 days
June 14 days
August 13 days
Warmest months:
July 76.2 °F
August 75.5 °F
June 69.8 °F
Warmest sea temp:
August 73.0 °F
July 71.9 °F
September 68.8 °F
Coldest months:
January 36.2 °F
February 36.5 °F
December 41.6 °F
Rainiest months:
October 3 days
January 2 days
April 2 days
Windiest months:
January 14.2 mph
December 14.1 mph
March 14.0 mph

Dennis Port on a weather map

Dennis Port
+63°F
NE 16 mph
Feels like: +63°F
Precip.: 4%
Places in USA:
Name
°F
+66°F
+72°F
+77°F
+70°F
+68°F
+84°F
+72°F
+68°F
+68°F
+61°F
+68°F
+84°F
+84°F
+81°F
+66°F
24 Hours Forecast
Dennis Port
Local time: 13:39
October 29, thursday
1500
63°F
NE
16 mph
1800
59°F
NE
14 mph
2100
57°F
NE
14 mph
October 30, friday
0000
59°F
NE
14 mph
0300
59°F
NE
14 mph
0600
59°F
NE
14 mph
0900
59°F
NE
10 mph
1200
64°F
E
9 mph
Units of measurement: °C / °F