S
M
T
W
T
F
S
29
52°
24°
30
39°
18°
1
37°
17°
2
39°
26°
3
46°
26°
4
40°
24°
5
38°
24°
6
36°
17°
7
35°
12°
8
36°
24°
9
47°
24°
10
46°
23°
11
46°
24°
12
48°
23°
13
47°
23°
14
40°
20°
15
39°
22°
16
42°
14°
17
41°
11°
18
36°
8°
19
37°
9°
20
34°
14°
21
38°
16°
22
40°
11°
23
38°
13°
24
37°
14°
25
40°
21°
26
40°
20°
27
43°
10°
28
39°
8°
29
36°
10°
30
38°
8°
31
35°
8°
1
34°
20°
2
38°
21°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Iliff
Iliff's December 2026 forecast shows daily high temperatures ranging from 34° to 52°, with overnight lows between 8° and 26°. The average high for December is 40° with an average low of 17°. 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 Iliff. See also: January | February | March.
