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
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
Corpus Christi 87.0°F 87.9°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 41.6 °F
Rainiest months:
January 3 days
October 3 days
April 2 days
Windiest months:
December 14.1 mph
January 14.0 mph
March 13.9 mph

Dennis Port on a weather map

Dennis Port
+27°F
E 27 mph
Feels like: +14°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+75°F
+75°F
+63°F
+64°F
+73°F
+75°F
+70°F
+30°F
+79°F
+52°F
+64°F
+59°F
+55°F
+19°F
24 Hours Forecast
Dennis Port
Local time: 15:46
December 30, tuesday
1800
28°F
E
26 mph
2100
28°F
E
27 mph
December 31, wednesday
0000
28°F
E
26 mph
0300
28°F
E
23 mph
0600
28°F
E
21 mph
0900
30°F
E
19 mph
1200
32°F
E
17 mph
1500
34°F
NE
19 mph
Units of measurement: °C / °F