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Monthly
Precipitation
Temperature
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Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Sunday River, ME
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May
Average Temperature
High
18°
Feels 17
Low
6°
Feels 3
Average Precipitation
12 Days
Rain amount
79.6mm
Snow amount
0.2cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
11°
4
16°
5
23°
6
14°
7
16°
8
11°
9
13°
10
12°
11
13°
12
14°
13
14°
14
15°
15
15°
16
16°
17
16°
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Sunday, May 3, 2026
Day
11°
Feels 8
Wind
25 km/h NW
Gust
61 km/h
Humidity
40%
P.O.P
30%
Night
1°
Feels 0
Wind
21 km/h W
Gust
51 km/h
Humidity
80%
P.O.P
20%
Historical Averages
May 3
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.