S
M
T
W
T
F
S
30
8°
-12°
1
22°
-11°
2
24°
-6°
3
22°
-12°
4
33°
20°
5
23°
-9°
6
-6°
-17°
7
8°
-7°
8
15°
-4°
9
18°
-6°
10
15°
-14°
11
11°
-14°
12
-13°
-32°
13
4°
-35°
14
16°
2°
15
39°
-3°
16
38°
-1°
17
8°
-4°
18
1°
-15°
19
10°
-2°
20
-2°
-23°
21
-1°
-20°
22
2°
-5°
23
-1°
-10°
24
5°
-13°
25
10°
-7°
26
6°
-7°
27
2°
-7°
28
-1°
-26°
29
31°
-1°
30
36°
11°
31
11°
-1°
1
5°
-2°
2
4°
-1°
3
10°
-8°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Northeast development area
Northeast development area's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Northeast development area. See also: January | February | March.