Measurements:
°C
°F
CURRENT WEATHER
04:18
Mount Desert Island
0°F
SE 17 mph
Feels like: -18°F
Precip: 0%
World Resorts USA Mount Desert Island Weather

7 Day Weather Forecast

12.05
fri
DAY
14°F
E 11 mph
precip
0%
NIGHT
20°F
E 5 mph
precip
0%
12.06
sat
DAY
32°F
SE 1 mph
precip
0%
NIGHT
34°F
E 4 mph
precip
100%
12.07
sun
DAY
28°F
SE 13 mph
precip
0%
NIGHT
22°F
SW 9 mph
precip
0%
12.08
mon
DAY
16°F
S 21 mph
precip
100%
NIGHT
10°F
SE 19 mph
precip
0%
12.09
tue
DAY
16°F
E 9 mph
precip
0%
NIGHT
30°F
NE 15 mph
precip
0%
12.10
wed
DAY
42°F
NE 17 mph
precip
0%
NIGHT
50°F
N 28 mph
precip
100%
12.11
thu
DAY
46°F
N 9 mph
precip
100%
NIGHT
24°F
E 21 mph
precip
50%

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 6.4°F. The maximum and minimum values were 5.0°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
November 13 days
October 13 days
The most warm months:
July 74.4 °F
August 73.7 °F
June 68.2 °F
Warmest sea temperature:
August 62.9 °F
July 60.9 °F
September 59.6 °F
The most cold months:
January 27.1 °F
February 27.7 °F
December 34.2 °F
The most rainy months:
December 3 days
October 3 days
March 2 days
The most windy months:
February 11 mph
March 10 mph
November 10 mph
more details