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Maine, USA Weather Averages

July is the hottest month in Maine with an average temperature of 21°C (70°F) and the coldest is January at -5°C (22°F). The wettest month is September with an average of 110mm of rain..

Average Temperature Maine

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Maine

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall Maine

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Maine : Next 24-Hour Weather

Today - 16th May 2026

Sunrise 05:42

Sunrise

Sunset 20:19

Sunset
17:00
Clear
22°C (71°F)
18:00
Patchy rain possible
21°C (70°F)
19:00
Patchy rain possible
21°C (68°F)
20:00
Patchy rain possible
19°C (66°F)
21:00
Light rain shower
18°C (64°F)
22:00
Patchy rain possible
18°C (63°F)
23:00
Light rain shower
17°C (62°F)

Tomorrow - 17th May 2026

Sunrise 05:42

Sunrise

Sunset 20:19

Sunset
0:00
Light rain shower
17°C (61°F)
1:00
Light rain shower
16°C (61°F)
2:00
Light rain shower
16°C (61°F)
3:00
Fog
16°C (60°F)
4:00
Fog
16°C (60°F)
5:00
Fog
15°C (59°F)
6:00
Fog
16°C (59°F)
7:00
Fog
16°C (60°F)
8:00
Mist
17°C (62°F)
9:00
Patchy rain possible
18°C (64°F)
10:00
Light rain shower
20°C (66°F)
11:00
Light rain shower
21°C (69°F)
12:00
Patchy rain possible
22°C (71°F)
13:00
Patchy rain possible
23°C (73°F)
14:00
Clear
24°C (74°F)
15:00
Clear
24°C (74°F)
16:00
Clear
24°C (74°F)