Spring (March–May): Avg. -32.0°F–54.9°F, cold climate, more rainfall in March, gradually warming up from April. Common activities: maple viewing (some areas still have remaining snow in March), outdoor hiking (keep warm). Recommended clothing: thick jacket, warm clothing, waterproof jacket.
Summer (June–August): Avg. 64.2°F–70.5°F, warm and comfortable climate, less rainfall. Common activities: camping, boating, fishing, outdoor picnics. Recommended clothing: light and breathable clothing, short-sleeved shirts, long pants.
Autumn (September–November): Avg. 49.1°F–61.2°F, cool climate, less rainfall, leaves begin to change color. Common activities: viewing red leaves, hiking. Recommended clothing: light jacket, long-sleeved shirts, comfortable shoes.
Winter (December–February): Avg. -43.0°F–-32.0°F, cold climate, more snowfall. Common activities: skiing, snowshoeing, enjoying snow scenery. Recommended clothing: heavy down jacket, thermal underwear, waterproof snow boots, hat gloves scarf.
Maine climatological average
Annual average temperature: approx. 45.7°F / Annual rainfall: approx. 47 mm / Summer humidity: 60%–70% / Rainiest month: March
Maine monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
21°F
3
February
24.3°F
1.3
March
32°F
8.2
April
40.3°F
2.5
May
54.9°F
2.4
June
64.2°F
4.4
July
70.5°F
4.1
August
66°F
3.7
September
61.2°F
2
October
49.1°F
2.6
November
38.8°F
5.6
December
25.5°F
7.8
Maine weather for the next seven days
12/17
Wednesday
Sunny
34.9°F/18.1°F
12/18
Thursday
Partly Cloudy
34°F/18.7°F
12/19
Friday
Heavy rain
51.4°F/35.5°F
12/20
Saturday
Light freezing rain
24.1°F/17.5°F
12/21
Sunday
Heavy snow
35.5°F/21.8°F
12/22
Monday
Partly Cloudy
22.8°F/12.9°F
12/23
Tuesday
Light snow
24.9°F/13.6°F
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