S
M
T
W
T
F
S
29
51°
38°
30
59°
37°
1
57°
38°
2
56°
31°
3
46°
28°
4
51°
30°
5
55°
37°
6
52°
33°
7
45°
28°
8
44°
23°
9
44°
23°
10
45°
25°
11
43°
25°
12
43°
26°
13
45°
22°
14
46°
23°
15
45°
30°
16
47°
32°
17
46°
31°
18
51°
26°
19
50°
22°
20
45°
21°
21
42°
21°
22
44°
23°
23
47°
25°
24
43°
23°
25
43°
21°
26
42°
20°
27
42°
21°
28
41°
21°
29
42°
23°
30
43°
24°
31
45°
21°
1
43°
17°
2
41°
16°
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 41° to 59°, with overnight lows between 16° and 38°. The average high for December is 46° with an average low of 26°. 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.
