S
M
T
W
T
F
S
29
59°
46°
30
67°
46°
1
66°
47°
2
65°
45°
3
62°
41°
4
52°
38°
5
59°
43°
6
61°
43°
7
60°
40°
8
53°
39°
9
51°
38°
10
50°
36°
11
49°
33°
12
49°
32°
13
50°
33°
14
49°
29°
15
49°
34°
16
50°
39°
17
60°
40°
18
56°
41°
19
57°
35°
20
56°
26°
21
52°
26°
22
46°
28°
23
48°
36°
24
54°
28°
25
60°
27°
26
47°
28°
27
48°
27°
28
47°
27°
29
47°
34°
30
50°
39°
31
61°
27°
1
62°
25°
2
46°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Rex
Rex's December 2026 forecast shows daily high temperatures ranging from 46° to 67°, with overnight lows between 22° and 47°. The average high for December is 54° 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 Rex. See also: January | February | March.
