World Resorts USA Bar Harbor Weather

Bar Harbor 7 Days Forecast

25.12
thu
Day
28°F
E 11 mph
Precip.
100%
Night
14°F
SE 20 mph
Precip.
0%
26.12
fri
Day
16°F
S 16 mph
Precip.
0%
Night
10°F
S 8 mph
Precip.
0%
27.12
sat
Day
18°F
S 11 mph
Precip.
0%
Night
16°F
SE 11 mph
Precip.
0%
28.12
sun
Day
27°F
SE 12 mph
Precip.
0%
Night
25°F
SE 2 mph
Precip.
0%
29.12
mon
Day
41°F
NW 13 mph
Precip.
100%
Night
37°F
NE 21 mph
Precip.
100%
30.12
tue
Day
19°F
E 25 mph
Precip.
0%
Night
14°F
E 24 mph
Precip.
0%
31.12
wed
Day
21°F
E 19 mph
Precip.
0%
Night
18°F
SE 16 mph
Precip.
100%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 44.0°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
+18°F
S 19 mph
Feels like: +3°F
Precip.: 0%
Places in USA:
Name
°F
+45°F
+75°F
+75°F
+64°F
+61°F
+72°F
+75°F
+72°F
+32°F
+63°F
+50°F
+66°F
+66°F
+70°F
+39°F
24 Hours Forecast
Bar Harbor
Local time: 20:40
December 25, thursday
2100
18°F
S
19 mph
December 26, friday
0000
14°F
SE
20 mph
0300
10°F
S
19 mph
0600
9°F
S
18 mph
0900
9°F
S
17 mph
1200
16°F
S
16 mph
1500
18°F
S
14 mph
1800
18°F
S
9 mph
Units of measurement: °C / °F