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Climate & Weather Averages in Aroostook County, Maine, USA

Currently: 66 °F. Clear. (Weather station: Northern Maine Regional Airport, USA). See more current weather

Annual Weather Averages in Northern Maine Regional Airport

Northern Maine Regional Airport is 26 miles from Aroostook County, so the actual climate in Aroostook County can vary a bit.

Based on weather reports collected during 1992–2021.

Jan
23
4
2.65
Feb
26
5
2.02
Mar
36
16
2.27
Apr
49
29
2.73
May
65
41
3.32
Jun
74
50
3.85
Jul
78
56
3.66
Aug
77
54
3.45
Sep
69
47
3.46
Oct
54
36
4.07
Nov
40
26
2.79
Dec
29
13
3.1

All Year Climate & Weather Averages in Aroostook County

High Temp: 78 °F

Low Temp: 4 °F

Mean Temp: 42 °F

Precipitation: 3.11"

Humidity: 70%

Dew Point: 31 °F

Wind: 13 mph

Pressure: 29.97 "Hg

Visibility: 9 mi

January Climate & Weather Averages in Aroostook County

High Temp: 23 °F

Low Temp: 4 °F

Mean Temp: 13 °F

Precipitation: 2.65"

Humidity: 71%

Dew Point: 5 °F

Wind: 14 mph

Pressure: 29.96 "Hg

Visibility: 9 mi

February Climate & Weather Averages in Aroostook County

High Temp: 26 °F

Low Temp: 5 °F

Mean Temp: 16 °F

Precipitation: 2.02"

Humidity: 68%

Dew Point: 6 °F

Wind: 14 mph

Pressure: 29.95 "Hg

Visibility: 9 mi

March Climate & Weather Averages in Aroostook County

High Temp: 36 °F

Low Temp: 16 °F

Mean Temp: 26 °F

Precipitation: 2.27"

Humidity: 65%

Dew Point: 15 °F

Wind: 16 mph

Pressure: 29.97 "Hg

Visibility: 9 mi

April Climate & Weather Averages in Aroostook County

High Temp: 49 °F

Low Temp: 29 °F

Mean Temp: 39 °F

Precipitation: 2.73"

Humidity: 63%

Dew Point: 26 °F

Wind: 16 mph

Pressure: 29.94 "Hg

Visibility: 9 mi

May Climate & Weather Averages in Aroostook County

High Temp: 65 °F

Low Temp: 41 °F

Mean Temp: 53 °F

Precipitation: 3.32"

Humidity: 63%

Dew Point: 38 °F

Wind: 15 mph

Pressure: 29.97 "Hg

Visibility: 10 mi

June Climate & Weather Averages in Aroostook County

High Temp: 74 °F

Low Temp: 50 °F

Mean Temp: 62 °F

Precipitation: 3.85"

Humidity: 68%

Dew Point: 49 °F

Wind: 13 mph

Pressure: 29.91 "Hg

Visibility: 10 mi

July Climate & Weather Averages in Aroostook County

High Temp: 78 °F

Low Temp: 56 °F

Mean Temp: 67 °F

Precipitation: 3.66"

Humidity: 72%

Dew Point: 56 °F

Wind: 11 mph

Pressure: 29.91 "Hg

Visibility: 9 mi

August Climate & Weather Averages in Aroostook County

High Temp: 77 °F

Low Temp: 54 °F

Mean Temp: 66 °F

Precipitation: 3.45"

Humidity: 73%

Dew Point: 54 °F

Wind: 10 mph

Pressure: 29.96 "Hg

Visibility: 9 mi

September Climate & Weather Averages in Aroostook County

High Temp: 69 °F

Low Temp: 47 °F

Mean Temp: 58 °F

Precipitation: 3.46"

Humidity: 74%

Dew Point: 47 °F

Wind: 12 mph

Pressure: 30.02 "Hg

Visibility: 9 mi

October Climate & Weather Averages in Aroostook County

High Temp: 54 °F

Low Temp: 36 °F

Mean Temp: 45 °F

Precipitation: 4.07"

Humidity: 74%

Dew Point: 36 °F

Wind: 13 mph

Pressure: 30.00 "Hg

Visibility: 10 mi

November Climate & Weather Averages in Aroostook County

High Temp: 40 °F

Low Temp: 26 °F

Mean Temp: 33 °F

Precipitation: 2.79"

Humidity: 75%

Dew Point: 25 °F

Wind: 14 mph

Pressure: 30.01 "Hg

Visibility: 9 mi

December Climate & Weather Averages in Aroostook County

High Temp: 29 °F

Low Temp: 13 °F

Mean Temp: 21 °F

Precipitation: 3.10"

Humidity: 76%

Dew Point: 14 °F

Wind: 14 mph

Pressure: 29.99 "Hg

Visibility: 9 mi

Quick Climate Info

Hottest MonthJuly (67 °F avg)
Coldest MonthJanuary (13 °F avg)
Wettest MonthOctober (4.07" avg)
Windiest MonthMarch (16 mph avg)
Annual precip.37.37" (per year)

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