World Resorts USA Bar Harbor Weather

Bar Harbor Sea Temperature in May

Average sea water temperature in May:
+46.9°F
Minimum sea water temperature in May: 53.2°F
Maximum sea water temperature in May: 41.2°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 45.9°F. The highest and lowest sea temperatures during the month were 49.8°F and 41.2°F.

Monthly sea water temperature in Bar Harbor, °F

Which USA resorts have warmest sea in May?

Place name May 2026 May 2025
Key West 84.3°F 83.5°F
Miami 83.3°F 82.6°F
Naples 82.9°F 83.5°F
Miami Beach 82.7°F 82.4°F
Tampa 81.9°F 82.7°F
West Palm Beach 81.7°F 81.1°F
Fort Lauderdale 81.7°F 81.1°F
Clearwater Beach 81.5°F 82.6°F
Sarasota 81.5°F 82.7°F
Siesta Key 81.3°F 82.5°F
Port St. Lucie 80.8°F 78.9°F
Cocoa Beach 80.4°F 79.4°F
Corpus Christi 79.5°F 80.9°F
South Padre Island 79.1°F 80.0°F
Orlando 78.4°F 77.2°F
Houston 78.4°F 79.5°F
Daytona Beach 78.1°F 76.0°F
New Orleans 78.0°F 79.5°F
Honolulu 78.0°F 78.1°F
Hawaii 77.9°F 78.0°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 72.0 °F
June 66.7 °F
Warmest sea temp:
August 61.1 °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
+59°F
S 4 mph
Feels like: +59°F
Precip.: 29%
Places in USA:
Name
°F
+64°F
+70°F
+79°F
+79°F
+70°F
+82°F
+66°F
+72°F
+70°F
+61°F
+66°F
+75°F
+84°F
+66°F
24 Hours Forecast
Bar Harbor
Local time: 03:52
September 17, thursday
0600
57°F
S
5 mph
0900
63°F
SW
5 mph
1200
66°F
NW
6 mph
1500
64°F
NW
6 mph
1800
59°F
N
4 mph
2100
59°F
N
4 mph
September 18, friday
0000
59°F
NE
3 mph
0300
61°F
E
4 mph
Units of measurement: °C / °F