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Monthly
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Current
Hourly
7 Days
14 Days
Monthly
°C
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Newcastle, ME
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December
Average Temperature
High
3°
Feels 1
Low
-6°
Feels -9
Average Precipitation
13 Days
Rain amount
82.9mm
Snow amount
34cm
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Daily Historical Averages
December 2025
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
7°
30
-6°
31
-3°
Forecast
Monday, December 29, 2025
Day
7°
Feels 3
Wind
28 km/h S
Gust
42 km/h
Humidity
91%
P.O.P
100%
Rain
~25 mm
Night
-5°
Feels -14
Wind
33 km/h W
Gust
50 km/h
Humidity
93%
P.O.P
90%
Rain
~5 mm
Historical Averages
Dec 29
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.