S
M
T
W
T
F
S
29
45°
14°
30
46°
20°
1
47°
18°
2
46°
13°
3
43°
16°
4
48°
17°
5
50°
18°
6
47°
14°
7
43°
13°
8
44°
14°
9
47°
13°
10
44°
13°
11
43°
12°
12
42°
13°
13
48°
19°
14
51°
18°
15
52°
16°
16
51°
19°
17
50°
23°
18
53°
20°
19
52°
21°
20
49°
22°
21
52°
25°
22
51°
24°
23
49°
22°
24
47°
25°
25
49°
26°
26
53°
24°
27
51°
24°
28
52°
23°
29
52°
15°
30
44°
14°
31
Hist. Avg.
36°
8°
1
Hist. Avg.
36°
8°
2
Hist. Avg.
36°
8°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Cimarron
Cimarron's December 2026 forecast shows daily high temperatures ranging from 42° to 53°, with overnight lows between 12° and 26°. The average high for December is 48° 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 Cimarron. See also: January | February | March.