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
Marco Island 88.7°F 87.1°F
Naples 88.7°F 87.0°F
St. Petersburg 88.7°F 86.9°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
Galveston 87.9°F 88.3°F
Galveston Island 87.8°F 88.5°F
Houston 87.8°F 88.0°F
New Orleans 87.4°F 88.1°F
Fort Lauderdale 87.2°F 85.8°F

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
NW 14 mph
Feels like: +32°F
Precip.: 100%
Places in USA:
Name
°F
+50°F
+75°F
+75°F
+64°F
+59°F
+77°F
+79°F
+70°F
+37°F
+63°F
+57°F
+79°F
+77°F
+73°F
+41°F
24 Hours Forecast
Dennis Port
Local time: 18:09
December 23, tuesday
2100
37°F
NW
13 mph
December 24, wednesday
0000
37°F
E
16 mph
0300
37°F
E
16 mph
0600
37°F
E
21 mph
0900
37°F
SE
26 mph
1200
39°F
SE
35 mph
1500
41°F
S
27 mph
1800
39°F
S
21 mph
Units of measurement: °C / °F