S
M
T
W
T
F
S
29
38°
21°
30
46°
22°
1
42°
19°
2
39°
21°
3
38°
17°
4
37°
22°
5
41°
25°
6
44°
19°
7
37°
17°
8
35°
18°
9
39°
20°
10
43°
23°
11
41°
18°
12
36°
23°
13
43°
23°
14
45°
22°
15
45°
22°
16
44°
21°
17
44°
24°
18
43°
25°
19
46°
26°
20
47°
26°
21
47°
25°
22
43°
20°
23
35°
17°
24
34°
23°
25
35°
27°
26
39°
27°
27
39°
24°
28
38°
19°
29
34°
12°
30
31°
9°
31
29°
12°
1
34°
12°
2
32°
13°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Clifton
Clifton's December 2026 forecast shows daily high temperatures ranging from 29° to 47°, with overnight lows between 9° and 27°. The average high for December is 40° with an average low of 20°. 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 Clifton. See also: January | February | March.