S
M
T
W
T
F
S
29
61°
48°
30
66°
48°
1
65°
47°
2
65°
44°
3
55°
38°
4
57°
38°
5
62°
46°
6
63°
40°
7
54°
38°
8
52°
38°
9
52°
40°
10
53°
35°
11
52°
32°
12
53°
32°
13
56°
33°
14
55°
33°
15
55°
44°
16
56°
38°
17
61°
43°
18
63°
35°
19
59°
30°
20
52°
27°
21
49°
29°
22
50°
32°
23
52°
32°
24
51°
30°
25
50°
28°
26
50°
29°
27
51°
29°
28
52°
30°
29
53°
37°
30
57°
34°
31
62°
29°
1
52°
26°
2
50°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Keith
Keith's December 2026 forecast shows daily high temperatures ranging from 49° to 66°, with overnight lows between 26° and 48°. The average high for December is 56° with an average low of 35°. 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 Keith. See also: January | February | March.