S
M
T
W
T
F
S
29
40°
29°
30
40°
29°
1
38°
28°
2
41°
35°
3
46°
19°
4
50°
18°
5
41°
22°
6
30°
23°
7
32°
22°
8
33°
17°
9
33°
17°
10
31°
18°
11
27°
21°
12
31°
21°
13
33°
22°
14
30°
25°
15
32°
28°
16
34°
29°
17
35°
23°
18
36°
32°
19
37°
31°
20
37°
27°
21
36°
25°
22
35°
22°
23
34°
25°
24
33°
27°
25
34°
23°
26
33°
26°
27
31°
23°
28
34°
14°
29
32°
21°
30
33°
14°
31
30°
10°
1
Hist. Avg.
33°
20°
2
Hist. Avg.
33°
20°
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 27° to 50°, with overnight lows between 10° and 35°. The average high for December is 35° with an average low of 23°. 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.
