Average sea water temperature in December:
+44.7°F
| Minimum sea water temperature in December: | 48.6°F |
| Maximum sea water temperature in December: | 41.2°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 43.9°F. The highest and lowest sea temperatures during the month were 46.8°F and 41.4°F.
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| Bar Harbor |
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| Bar Harbor |
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| Bar Harbor |
14 days
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| Bar Harbor |
Monthly sea water temperature in Bar Harbor, °F
Which USA resorts have warmest sea in December?
| Place name | December 2025 | December 2024 |
|---|---|---|
| Kailua Kona | 79.3°F | 78.3°F |
| West Palm Beach | 79.1°F | 78.4°F |
| Fort Lauderdale | 78.8°F | 77.6°F |
| Honolulu | 78.7°F | 78.3°F |
| Hawaii | 78.6°F | 78.3°F |
| Kauai | 78.3°F | 76.0°F |
| Maui | 78.1°F | 77.8°F |
| Miami Beach | 77.7°F | 75.9°F |
| Oahu | 77.2°F | 77.2°F |
| Islamorada | 76.8°F | 73.4°F |
| Key Largo | 76.7°F | 73.1°F |
| Key West | 76.2°F | 72.6°F |
| Miami | 76.0°F | 73.0°F |
| Everglades | 74.0°F | 69.7°F |
| Marco Island | 72.0°F | 68.0°F |
| Naples | 71.6°F | 67.7°F |
| South Padre Island | 71.4°F | 71.9°F |
| Cape Coral | 71.4°F | 67.8°F |
| Sanibel Island | 71.0°F | 67.1°F |
| Cocoa Beach | 69.5°F | 66.6°F |
Best time for vacation in Bar Harbor
Bar Harbor on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Bar Harbor
Local time: 06:43
December 26, friday
0900
9°F
SE
17 mph
17 mph
1200
14°F
S
16 mph
16 mph
1500
14°F
S
14 mph
14 mph
1800
14°F
S
11 mph
11 mph
2100
12°F
S
9 mph
9 mph
December 27, saturday
0000
12°F
S
8 mph
8 mph
0300
10°F
S
7 mph
7 mph
0600
10°F
S
7 mph
7 mph
