World Resorts USA Bar Harbor Weather

Bar Harbor Sea Temperature in October

Average sea water temperature in October:
+55.3°F
Minimum sea water temperature in October: 58.8°F
Maximum sea water temperature in October: 52.0°F

Daily sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 54.9°F. The highest and lowest sea temperatures during the month were 58.1°F and 53.1°F.

Monthly sea water temperature in Bar Harbor, °F

Which USA resorts have warmest sea in October?

Place name October 2025 October 2024
South Padre Island 84.0°F 82.4°F
Key West 83.8°F 82.9°F
West Palm Beach 83.5°F 83.3°F
Fort Lauderdale 83.5°F 83.0°F
Miami Beach 83.4°F 83.4°F
Islamorada 83.1°F 82.9°F
Key Largo 83.0°F 83.1°F
Miami 82.7°F 82.9°F
Everglades 82.5°F 82.6°F
Corpus Christi 82.2°F 80.6°F
Marco Island 82.0°F 81.9°F
Naples 81.9°F 81.6°F
Sanibel Island 81.6°F 81.3°F
Kauai 81.3°F 79.2°F
Galveston Island 81.1°F 79.2°F
Kailua Kona 80.9°F 80.6°F
Galveston 80.8°F 78.8°F
Honolulu 80.7°F 80.6°F
Hawaii 80.6°F 80.5°F
Siesta Key 80.4°F 80.7°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 34.8 °F
Rainiest months:
April 3 days
October 3 days
March 2 days
Windiest months:
December 11.0 mph
February 10.9 mph
March 10.7 mph

Bar Harbor on a weather map

Bar Harbor
+10°F
E 15 mph
Feels like: -2°F
Precip.: 0%
Places in USA:
Name
°F
+25°F
+72°F
+72°F
+45°F
+59°F
+50°F
+61°F
+66°F
+21°F
+61°F
+55°F
+61°F
+59°F
+64°F
+19°F
24 Hours Forecast
Bar Harbor
Local time: 07:19
January 03, saturday
0900
12°F
E
15 mph
1200
18°F
E
15 mph
1500
19°F
SE
14 mph
1800
18°F
SE
9 mph
2100
12°F
SE
6 mph
January 04, sunday
0000
10°F
S
4 mph
0300
10°F
S
5 mph
0600
10°F
S
6 mph
Units of measurement: °C / °F