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