World Resorts USA Dennis Port Weather

Dennis Port Sea Temperature in July

Average sea water temperature in July:
+71.9°F
Minimum sea water temperature in July: 77.7°F
Maximum sea water temperature in July: 65.7°F

Daily sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 71.9°F. The highest and lowest sea temperatures during the month were 74.1°F and 69.3°F.

Monthly sea water temperature in Dennis Port, °F

Which USA resorts have warmest sea in July?

Place name July 2026 July 2025
Key West 88.5°F 86.7°F
Clearwater Beach 87.9°F 87.1°F
Naples 87.7°F 86.6°F
Tampa 87.6°F 86.8°F
Sarasota 87.6°F 86.9°F
Siesta Key 87.6°F 86.9°F
New Orleans 87.5°F 87.4°F
Miami 87.4°F 86.3°F
Miami Beach 87.0°F 86.0°F
Houston 86.7°F 86.3°F
Fort Lauderdale 86.6°F 85.0°F
Hilton Head Island 86.3°F 85.7°F
St. George Island 86.3°F 86.4°F
Tybee Island 86.3°F 85.4°F
West Palm Beach 86.1°F 84.6°F
Panama City Beach 86.0°F 86.3°F
Santa Rosa Beach 85.9°F 86.2°F
Pensacola Beach 85.8°F 86.7°F
Destin 85.8°F 86.3°F
Charleston (SC) 85.8°F 84.7°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 74.7 °F
June 69.8 °F
Warmest sea temp:
August 72.9 °F
July 71.9 °F
September 69.0 °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
+70°F
N 11 mph
Feels like: +70°F
Precip.: 10%
Places in USA:
Name
°F
+72°F
+81°F
+79°F
+90°F
+70°F
+79°F
+75°F
+79°F
+75°F
+72°F
+57°F
+68°F
+79°F
+82°F
+72°F
24 Hours Forecast
Dennis Port
Local time: 23:03
August 13, thursday
0000
70°F
N
11 mph
0300
72°F
E
11 mph
0600
70°F
E
12 mph
0900
68°F
N
11 mph
1200
72°F
NE
19 mph
1500
72°F
NE
18 mph
1800
75°F
NE
11 mph
2100
73°F
E
11 mph
Units of measurement: °C / °F