Monthly Historical AveragesSullivan, ME
Average Temperature
High
-1°
Feels -4
Low
-10°
Feels -15
Average Precipitation
8 Days
19.2mm
29.5cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, January 8, 2026
Day
3°Feels 0
Wind
14 km/h NW
Gust
21 km/h
Humidity
69%
P.O.P
20%
Night
-5°Feels -7
Wind
12 km/h NW
Gust
18 km/h
Humidity
93%
P.O.P
20%
Historical AveragesJan 8
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity