S
M
T
W
T
F
S
29
47°
36°
30
54°
31°
1
55°
28°
2
47°
29°
3
51°
23°
4
50°
22°
5
39°
20°
6
38°
20°
7
38°
21°
8
40°
23°
9
41°
26°
10
51°
27°
11
40°
24°
12
40°
24°
13
38°
23°
14
38°
21°
15
36°
18°
16
35°
14°
17
33°
19°
18
34°
30°
19
41°
31°
20
43°
26°
21
48°
26°
22
42°
34°
23
49°
35°
24
50°
31°
25
49°
27°
26
47°
27°
27
42°
30°
28
45°
32°
29
47°
34°
30
48°
33°
31
50°
30°
1
49°
28°
2
45°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Smithsburg
Smithsburg's December 2026 forecast shows daily high temperatures ranging from 33° to 55°, with overnight lows between 14° and 36°. The average high for December is 44° with an average low of 27°. 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 Smithsburg. See also: January | February | March.
