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
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 Bar Harbor

Sunniest months:
September 13 days
November 13 days
October 13 days
Warmest months:
July 71.5 °F
August 71.1 °F
June 66.1 °F
Warmest sea temp:
August 61.2 °F
July 59.3 °F
September 58.4 °F
Coldest months:
January 29.4 °F
February 29.8 °F
December 35.9 °F
Rainiest months:
December 3 days
April 3 days
October 3 days
Windiest months:
February 10.9 mph
March 10.7 mph
December 10.6 mph

Bar Harbor on a weather map

Bar Harbor
+18°F
S 19 mph
Feels like: +3°F
Precip.: 0%
Places in USA:
Name
°F
+45°F
+75°F
+75°F
+64°F
+61°F
+72°F
+75°F
+72°F
+32°F
+63°F
+50°F
+66°F
+66°F
+70°F
+39°F
24 Hours Forecast
Bar Harbor
Local time: 20:43
December 25, thursday
2100
18°F
S
19 mph
December 26, friday
0000
14°F
SE
20 mph
0300
10°F
S
19 mph
0600
9°F
S
18 mph
0900
9°F
S
17 mph
1200
16°F
S
16 mph
1500
18°F
S
14 mph
1800
18°F
S
9 mph
Units of measurement: °C / °F