World Resorts USA Bar Harbor Weather

Bar Harbor 14 Days Forecast

23.12
tue
Day
25°F
SE 3 mph
Precip.
0%
Night
23°F
W 12 mph
Precip.
100%
24.12
wed
Day
30°F
SW 17 mph
Precip.
0%
Night
23°F
S 3 mph
Precip.
0%
25.12
thu
Day
30°F
E 8 mph
Precip.
100%
Night
19°F
SE 21 mph
Precip.
0%
26.12
fri
Day
14°F
S 17 mph
Precip.
0%
Night
14°F
S 11 mph
Precip.
0%
27.12
sat
Day
19°F
S 11 mph
Precip.
0%
Night
18°F
SE 9 mph
Precip.
0%
28.12
sun
Day
23°F
SE 7 mph
Precip.
0%
Night
32°F
N 8 mph
Precip.
100%
29.12
mon
Day
28°F
SE 18 mph
Precip.
100%
Night
18°F
E 14 mph
Precip.
72%
30.12
tue
Day
21°F
E 19 mph
Precip.
28%
Night
25°F
E 16 mph
Precip.
0%
31.12
wed
Day
23°F
SE 13 mph
Precip.
0%
Night
18°F
SE 6 mph
Precip.
0%
01.01
thu
Day
28°F
NE 9 mph
Precip.
0%
Night
28°F
E 8 mph
Precip.
100%
02.01
fri
Day
21°F
NW 9 mph
Precip.
0%
Night
16°F
SW 3 mph
Precip.
0%
03.01
sat
Day
30°F
NW 9 mph
Precip.
100%
Night
41°F
NE 14 mph
Precip.
0%
04.01
sun
Day
43°F
NE 18 mph
Precip.
30%
Night
39°F
SE 12 mph
Precip.
68%
05.01
mon
Day
19°F
SE 22 mph
Precip.
0%
Night
18°F
SE 17 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 44.2°F. The highest and lowest sea temperatures during the month were 46.8°F and 41.4°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

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
+21°F
W 10 mph
Feels like: +10°F
Precip.: 0%
Places in USA:
Name
°F
+39°F
+73°F
+73°F
+68°F
+61°F
+73°F
+77°F
+68°F
+37°F
+64°F
+57°F
+70°F
+70°F
+70°F
+39°F
24 Hours Forecast
Bar Harbor
Local time: 21:50
December 24, wednesday
0000
23°F
W
12 mph
0300
27°F
W
17 mph
0600
28°F
W
20 mph
0900
28°F
W
19 mph
1200
30°F
SW
17 mph
1500
28°F
SW
12 mph
1800
28°F
S
8 mph
2100
25°F
S
5 mph
Units of measurement: °C / °F