S
M
T
W
T
F
S
29
56°
33°
30
51°
25°
1
40°
22°
2
41°
27°
3
51°
31°
4
47°
31°
5
46°
29°
6
44°
25°
7
39°
21°
8
38°
24°
9
44°
27°
10
46°
30°
11
50°
30°
12
52°
29°
13
50°
30°
14
43°
26°
15
46°
25°
16
46°
22°
17
42°
14°
18
38°
13°
19
39°
9°
20
33°
14°
21
35°
22°
22
41°
15°
23
41°
20°
24
42°
16°
25
39°
23°
26
45°
26°
27
46°
26°
28
43°
25°
29
41°
23°
30
41°
15°
31
39°
13°
1
36°
16°
2
37°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Byers
Byers's December 2026 forecast shows daily high temperatures ranging from 33° to 56°, with overnight lows between 9° and 33°. The average high for December is 43° 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 Byers. See also: January | February | March.