World Resorts USA Bar Harbor Weather

Bar Harbor Sea Temperature in August

Average sea water temperature in August:
+61.3°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
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
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
West Palm Beach 86.8°F 86.2°F
Pensacola 86.5°F 87.2°F
Panama City Beach 86.2°F 86.8°F
Destin 86.0°F 86.9°F
Jacksonville 84.9°F 82.9°F
Orlando 84.9°F 83.4°F
St. Augustine 84.7°F 82.9°F

Best time for vacation in Bar Harbor

Sunniest months:
September 13 days
October 13 days
November 13 days
Warmest months:
July 71.5 °F
August 71.1 °F
June 66.7 °F
Warmest sea temp:
August 61.2 °F
July 59.1 °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
+70°F
N 12 mph
Feels like: +70°F
Precip.: 9%
Places in USA:
Name
°F
+88°F
+91°F
+77°F
+100°F
+77°F
+90°F
+72°F
+91°F
+82°F
+73°F
+64°F
+77°F
+93°F
+95°F
+84°F
24 Hours Forecast
Bar Harbor
Local time: 12:53
July 21, tuesday
1500
72°F
N
14 mph
1800
68°F
NW
15 mph
2100
59°F
NW
11 mph
July 22, wednesday
0000
59°F
NW
17 mph
0300
61°F
NW
19 mph
0600
61°F
N
17 mph
0900
63°F
N
12 mph
1200
64°F
N
11 mph
Units of measurement: °C / °F