World Resorts USA Bar Harbor Weather

Bar Harbor weather in March

Weather in Bar Harbor: March

Average day temperature: 38.7°F
Average night temperature: 30.8°F
Sea water temperature: 36.5°F
Number of sunny days: 8 days
Day length: 11.2 - 12.7 hours
Number of rainy days: 2 days
Precipitation totals: 1.2 in.

Air temperature in March, °F

Show year:
2026
2025
2024

The highest day temperature during March of 2026 was 66°F. At the same time the lowest night temperature was 7°F. Daily and nightly averages during March were 39.5°F and 31.0°F.

Sea water temperature in Bar Harbor in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 35.4°F. The highest and lowest sea temperatures during the month were 37.2°F and 32.9°F.

Sunny, partly cloudy and cloudy days

Mostly all days in March are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in March, in.

Precipitation total value in Bar Harbor in March is 1.2 in. Other months of the year show relatively similar values.

Wind speed in March, mph

The average wind speed value in March is 10.8 mph It makes March one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in March is: 5.3.

Best time for vacation in Bar Harbor

Sunniest months:
October 13 days
September 13 days
November 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 28.9 °F
February 29.9 °F
December 34.8 °F
Rainiest months:
October 3 days
March 2 days
December 2 days
Windiest months:
December 11.0 mph
March 10.8 mph
February 10.8 mph

Bar Harbor on a weather map

Bar Harbor
+73°F
SW 3 mph
Feels like: +75°F
Precip.: 0%
Places in USA:
Name
°F
+77°F
+77°F
+100°F
+79°F
+88°F
+86°F
+72°F
+79°F
+70°F
+64°F
+68°F
+95°F
+102°F
+88°F
+77°F
24 Hours Forecast
Bar Harbor
Local time: 16:05
June 08, monday
1800
70°F
N
8 mph
2100
61°F
NE
5 mph
June 09, tuesday
0000
54°F
NE
6 mph
0300
52°F
E
5 mph
0600
57°F
SE
5 mph
0900
68°F
E
8 mph
1200
75°F
E
10 mph
1500
75°F
E
10 mph
Units of measurement: °C / °F