S
M
T
W
T
F
S
29
47°
36°
30
46°
32°
1
48°
29°
2
45°
35°
3
47°
30°
4
49°
31°
5
44°
32°
6
50°
38°
7
51°
33°
8
52°
26°
9
46°
31°
10
43°
30°
11
47°
36°
12
49°
36°
13
50°
35°
14
50°
36°
15
49°
30°
16
52°
26°
17
50°
26°
18
41°
23°
19
37°
24°
20
41°
32°
21
43°
34°
22
47°
36°
23
48°
34°
24
49°
33°
25
46°
30°
26
44°
24°
27
39°
29°
28
42°
28°
29
43°
24°
30
39°
25°
31
40°
18°
1
48°
13°
2
52°
13°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Smithville
Smithville's December 2026 forecast shows daily high temperatures ranging from 37° to 52°, with overnight lows between 13° and 38°. The average high for December is 46° 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 Smithville. See also: January | February | March.
