World Resorts USA Dennis Port Weather

Dennis Port Sea Temperature in August

Average sea water temperature in August:
+73.0°F
Minimum sea water temperature in August: 78.4°F
Maximum sea water temperature in August: 68.5°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 71.4°F. The highest and lowest sea temperatures during the month were 74.5°F and 68.5°F.

Monthly sea water temperature in Dennis Port, °F

Which USA resorts have warmest sea in August?

Place name August 2025 August 2024
Sanibel Island 88.8°F 87.3°F
Everglades 88.8°F 87.0°F
Islamorada 88.8°F 87.3°F
Key West 88.8°F 87.8°F
Cape Coral 88.7°F 86.8°F
Key Largo 88.7°F 87.3°F
Naples 88.7°F 87.0°F
Tampa 88.6°F 86.4°F
Sarasota 88.6°F 87.2°F
Siesta Key 88.6°F 87.3°F
Clearwater Beach 88.5°F 87.0°F
Miami 88.1°F 86.4°F
Miami Beach 87.9°F 86.5°F
Houston 87.8°F 88.0°F
New Orleans 87.4°F 88.1°F
Fort Lauderdale 87.2°F 85.8°F
Corpus Christi 87.0°F 87.9°F
Cocoa Beach 86.8°F 84.5°F
Bay Saint Louis 86.6°F 87.6°F
Pensacola 86.5°F 87.2°F

Best time for vacation in Dennis Port

Sunniest months:
November 15 days
June 13 days
August 13 days
Warmest months:
July 75.7 °F
August 74.7 °F
September 69.3 °F
Warmest sea temp:
August 72.9 °F
July 71.9 °F
September 69.0 °F
Coldest months:
January 36.7 °F
February 37.0 °F
December 42.5 °F
Rainiest months:
January 3 days
October 3 days
April 2 days
Windiest months:
January 14.0 mph
March 13.9 mph
November 13.7 mph

Dennis Port on a weather map

Dennis Port
+37°F
NE 14 mph
Feels like: +28°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+77°F
+77°F
+70°F
+70°F
+73°F
+77°F
+72°F
+37°F
+66°F
+52°F
+73°F
+75°F
+63°F
+36°F
24 Hours Forecast
Dennis Port
Local time: 15:24
December 16, tuesday
1800
36°F
NE
11 mph
2100
36°F
NE
12 mph
December 17, wednesday
0000
37°F
NE
16 mph
0300
37°F
NE
20 mph
0600
39°F
NE
22 mph
0900
41°F
NE
22 mph
1200
45°F
NE
24 mph
1500
45°F
NE
25 mph
Units of measurement: °C / °F