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Climate & Weather Averages in Mount Desert Island, Maine, USA

Currently: 48 °F. Overcast. (Weather station: Bangor International Airport, USA). See more current weather

Annual Weather Averages in Bangor International Airport

Bangor International Airport is 40 miles from Mount Desert Island, so the actual climate in Mount Desert Island can vary a bit.

Based on weather reports collected during 1992–2021.

Jan
29
9
2.81
Feb
31
11
2.25
Mar
40
21
2.92
Apr
53
32
3.54
May
66
43
3.32
Jun
75
52
3.83
Jul
80
58
3.28
Aug
79
57
2.88
Sep
71
49
3.84
Oct
58
38
4.64
Nov
46
28
3.92
Dec
35
17
3.55

All Year Climate & Weather Averages in Mount Desert Island

High Temp: 80 °F

Low Temp: 9 °F

Mean Temp: 45 °F

Precipitation: 3.40"

Humidity: 70%

Dew Point: 35 °F

Wind: 12 mph

Pressure: 30.01 "Hg

Visibility: 9 mi

January Climate & Weather Averages in Mount Desert Island

High Temp: 29 °F

Low Temp: 9 °F

Mean Temp: 19 °F

Precipitation: 2.81"

Humidity: 72%

Dew Point: 11 °F

Wind: 12 mph

Pressure: 30.03 "Hg

Visibility: 9 mi

February Climate & Weather Averages in Mount Desert Island

High Temp: 31 °F

Low Temp: 11 °F

Mean Temp: 21 °F

Precipitation: 2.25"

Humidity: 69%

Dew Point: 12 °F

Wind: 13 mph

Pressure: 30.01 "Hg

Visibility: 9 mi

March Climate & Weather Averages in Mount Desert Island

High Temp: 40 °F

Low Temp: 21 °F

Mean Temp: 31 °F

Precipitation: 2.92"

Humidity: 65%

Dew Point: 20 °F

Wind: 15 mph

Pressure: 30.04 "Hg

Visibility: 9 mi

April Climate & Weather Averages in Mount Desert Island

High Temp: 53 °F

Low Temp: 32 °F

Mean Temp: 43 °F

Precipitation: 3.54"

Humidity: 61%

Dew Point: 29 °F

Wind: 15 mph

Pressure: 29.98 "Hg

Visibility: 10 mi

May Climate & Weather Averages in Mount Desert Island

High Temp: 66 °F

Low Temp: 43 °F

Mean Temp: 54 °F

Precipitation: 3.32"

Humidity: 65%

Dew Point: 42 °F

Wind: 13 mph

Pressure: 29.98 "Hg

Visibility: 10 mi

June Climate & Weather Averages in Mount Desert Island

High Temp: 75 °F

Low Temp: 52 °F

Mean Temp: 63 °F

Precipitation: 3.83"

Humidity: 69%

Dew Point: 53 °F

Wind: 12 mph

Pressure: 29.92 "Hg

Visibility: 9 mi

July Climate & Weather Averages in Mount Desert Island

High Temp: 80 °F

Low Temp: 58 °F

Mean Temp: 69 °F

Precipitation: 3.28"

Humidity: 70%

Dew Point: 59 °F

Wind: 10 mph

Pressure: 29.92 "Hg

Visibility: 9 mi

August Climate & Weather Averages in Mount Desert Island

High Temp: 79 °F

Low Temp: 57 °F

Mean Temp: 68 °F

Precipitation: 2.88"

Humidity: 71%

Dew Point: 58 °F

Wind: 10 mph

Pressure: 29.97 "Hg

Visibility: 9 mi

September Climate & Weather Averages in Mount Desert Island

High Temp: 71 °F

Low Temp: 49 °F

Mean Temp: 60 °F

Precipitation: 3.84"

Humidity: 73%

Dew Point: 51 °F

Wind: 11 mph

Pressure: 30.04 "Hg

Visibility: 9 mi

October Climate & Weather Averages in Mount Desert Island

High Temp: 58 °F

Low Temp: 38 °F

Mean Temp: 48 °F

Precipitation: 4.64"

Humidity: 73%

Dew Point: 39 °F

Wind: 12 mph

Pressure: 30.04 "Hg

Visibility: 10 mi

November Climate & Weather Averages in Mount Desert Island

High Temp: 46 °F

Low Temp: 28 °F

Mean Temp: 37 °F

Precipitation: 3.92"

Humidity: 73%

Dew Point: 29 °F

Wind: 12 mph

Pressure: 30.07 "Hg

Visibility: 9 mi

December Climate & Weather Averages in Mount Desert Island

High Temp: 35 °F

Low Temp: 17 °F

Mean Temp: 26 °F

Precipitation: 3.55"

Humidity: 76%

Dew Point: 19 °F

Wind: 12 mph

Pressure: 30.06 "Hg

Visibility: 9 mi

Quick Climate Info

Hottest MonthJuly (69 °F avg)
Coldest MonthJanuary (19 °F avg)
Wettest MonthOctober (4.64" avg)
Windiest MonthMarch (15 mph avg)
Annual precip.40.79" (per year)

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