S
M
T
W
T
F
S
29
45°
26°
30
44°
28°
1
44°
32°
2
47°
31°
3
46°
34°
4
52°
28°
5
50°
25°
6
44°
30°
7
49°
31°
8
53°
30°
9
52°
30°
10
52°
32°
11
51°
33°
12
53°
33°
13
53°
31°
14
52°
32°
15
52°
32°
16
51°
33°
17
52°
32°
18
53°
31°
19
52°
32°
20
52°
28°
21
43°
22°
22
42°
24°
23
41°
27°
24
43°
25°
25
41°
26°
26
42°
23°
27
42°
22°
28
43°
23°
29
43°
24°
30
44°
33°
31
44°
27°
1
46°
29°
2
45°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Long Barn
Long Barn's December 2026 forecast shows daily high temperatures ranging from 41° to 53°, with overnight lows between 22° and 34°. The average high for December is 47° with an average low of 29°. 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 Long Barn. See also: January | February | March.
