World Resorts USA Bar Harbor Weather

Bar Harbor Sea Temperature in August

Average sea water temperature in August:
+61.2°F
Minimum sea water temperature in August: 68.2°F
Maximum sea water temperature in August: 56.5°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 59.7°F. The highest and lowest sea temperatures during the month were 62.6°F and 56.8°F.

Monthly sea water temperature in Bar Harbor, °F

Which USA resorts have warmest sea in August?

Place name August 2025 August 2024
Key West 88.8°F 87.8°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
West Palm Beach 86.8°F 86.2°F
Cocoa Beach 86.8°F 84.5°F
Pensacola Beach 86.6°F 87.4°F
St. George Island 86.5°F 86.8°F
Panama City Beach 86.2°F 86.8°F
Destin 86.0°F 86.9°F
Fort Walton Beach 86.0°F 86.8°F
Santa Rosa Beach 85.9°F 86.8°F
Hilton Head Island 85.0°F 84.0°F

Best time for vacation in Bar Harbor

Sunniest months:
October 13 days
September 13 days
November 13 days
Warmest months:
July 72.5 °F
August 71.1 °F
June 66.7 °F
Warmest sea temp:
August 61.2 °F
July 59.0 °F
September 58.4 °F
Coldest months:
January 28.9 °F
February 29.9 °F
December 34.8 °F
Rainiest months:
October 3 days
March 2 days
December 2 days
Windiest months:
December 11.0 mph
March 10.8 mph
February 10.8 mph

Bar Harbor on a weather map

Bar Harbor
+73°F
E 6 mph
Feels like: +77°F
Precip.: 6%
Places in USA:
Name
°F
+79°F
+75°F
+77°F
+81°F
+64°F
+86°F
+72°F
+77°F
+77°F
+66°F
+55°F
+66°F
+82°F
+81°F
+73°F
24 Hours Forecast
Bar Harbor
Local time: 09:03
August 11, tuesday
1200
81°F
E
9 mph
1500
82°F
SE
12 mph
1800
75°F
SE
9 mph
2100
66°F
SE
6 mph
August 12, wednesday
0000
63°F
E
7 mph
0300
61°F
SE
6 mph
0600
59°F
SE
6 mph
0900
70°F
SE
9 mph
Units of measurement: °C / °F