S
M
T
W
T
F
S
29
63°
41°
30
60°
38°
1
56°
41°
2
56°
34°
3
59°
29°
4
64°
29°
5
50°
30°
6
49°
33°
7
53°
31°
8
51°
30°
9
51°
29°
10
49°
27°
11
47°
28°
12
46°
29°
13
48°
29°
14
49°
30°
15
50°
31°
16
52°
36°
17
53°
37°
18
54°
36°
19
54°
36°
20
49°
31°
21
48°
30°
22
48°
36°
23
50°
31°
24
49°
30°
25
46°
27°
26
45°
28°
27
45°
28°
28
46°
29°
29
46°
34°
30
48°
24°
31
46°
23°
1
Hist. Avg.
52°
34°
2
Hist. Avg.
52°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Underwood
Underwood's December 2026 forecast shows daily high temperatures ranging from 45° to 64°, with overnight lows between 23° and 41°. The average high for December is 51° with an average low of 31°. 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 Underwood. See also: January | February | March.
