Measurements:
°C
°F
Mount Desert Island
8°F
SE 14 mph
Feels like: -10°F
Precip: 0%
World Resorts USA Mount Desert Island Weather

7 Day Weather Forecast

12.22
sun
DAY
14°F
SE 13 mph
precip
0%
NIGHT
10°F
SE 9 mph
precip
0%
12.23
mon
DAY
16°F
E 4 mph
precip
0%
NIGHT
24°F
NE 7 mph
precip
0%
12.24
tue
DAY
28°F
SE 9 mph
precip
100%
NIGHT
18°F
S 10 mph
precip
0%
12.25
wed
DAY
26°F
S 7 mph
precip
0%
NIGHT
26°F
SW 3 mph
precip
60%
12.26
thu
DAY
32°F
NE 0 mph
precip
100%
NIGHT
28°F
S 9 mph
precip
100%
12.27
fri
DAY
30°F
SW 12 mph
precip
27%
NIGHT
24°F
S 10 mph
precip
0%
12.28
sat
DAY
28°F
S 11 mph
precip
0%
NIGHT
22°F
NW 7 mph
precip
0%

Mount Desert Island Sea Water Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for Mount Desert Island was 6.9°F. The maximum and minimum values were 5.7°F and 8.2°F respectively.

Mount Desert Island on the Weather Map

Best Time to Visit Mount Desert Island
The most sunny months:
September 13 days
October 12 days
November 12 days
The most warm months:
July 75.2 °F
August 74.3 °F
June 68.5 °F
Warmest sea temperature:
August 63.2 °F
July 61.3 °F
September 59.5 °F
The most cold months:
January 27.5 °F
February 28.0 °F
December 34.8 °F
The most rainy months:
December 4 days
July 3 days
April 3 days
The most windy months:
March 10 mph
December 10 mph
February 10 mph