30.12
tue
tue
Day

19°F
E 21 mph
Precip.
0%
0%
Night

12°F
E 18 mph
Precip.
0%
0%
31.12
wed
wed
Day

21°F
E 13 mph
Precip.
0%
0%
Night

27°F
NE 7 mph
Precip.
100%
100%
01.01
thu
thu
Day

25°F
SE 13 mph
Precip.
0%
0%
Night

18°F
E 9 mph
Precip.
0%
0%
02.01
fri
fri
Day

21°F
E 4 mph
Precip.
0%
0%
Night

18°F
E 7 mph
Precip.
0%
0%
03.01
sat
sat
Day

25°F
E 5 mph
Precip.
0%
0%
Night

21°F
SE 6 mph
Precip.
0%
0%
04.01
sun
sun
Day

10°F
SE 17 mph
Precip.
0%
0%
Night

7°F
SE 9 mph
Precip.
0%
0%
05.01
mon
mon
Day

12°F
SE 4 mph
Precip.
0%
0%
Night

27°F
N 12 mph
Precip.
100%
100%
06.01
tue
tue
Day

39°F
N 22 mph
Precip.
100%
100%
Night

45°F
NW 30 mph
Precip.
100%
100%
07.01
wed
wed
Day

39°F
NE 10 mph
Precip.
100%
100%
Night

25°F
E 9 mph
Precip.
100%
100%
08.01
thu
thu
Day

30°F
NE 14 mph
Precip.
0%
0%
Night

23°F
S 15 mph
Precip.
0%
0%
09.01
fri
fri
Day

21°F
SE 15 mph
Precip.
0%
0%
Night

21°F
SE 11 mph
Precip.
0%
0%
10.01
sat
sat
Day

28°F
NE 2 mph
Precip.
0%
0%
Night

30°F
S 3 mph
Precip.
100%
100%
11.01
sun
sun
Day

32°F
S 11 mph
Precip.
0%
0%
Night

28°F
SE 11 mph
Precip.
21%
21%
12.01
mon
mon
Day

23°F
SE 13 mph
Precip.
0%
0%
Night

23°F
E 6 mph
Precip.
0%
0%
sea water
temperature
temperature
| Bar Harbor |
monthly
weather
weather
| Bar Harbor |
current
weather
weather
| Bar Harbor |
7 days
forecast
forecast
| Bar Harbor |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 43.4°F. The highest and lowest sea temperatures during the month were 46.8°F and 40.1°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 38.6°F. The highest and lowest sea temperatures during the month were 41.5°F and 36.1°F.
Air temperature in Bar Harbor, °F
Precipitation total in Bar Harbor, in.
* Charts above show average data for the last 3 years.
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: 17:53
December 30, tuesday
1800

16°F
E
21 mph
21 mph
2100

14°F
E
21 mph
21 mph
December 31, wednesday
0000

12°F
E
18 mph
18 mph
0300

12°F
E
18 mph
18 mph
0600

14°F
E
17 mph
17 mph
0900

18°F
E
12 mph
12 mph
1200

21°F
E
13 mph
13 mph
1500

25°F
E
12 mph
12 mph




























