S
M
T
W
T
F
S
29
44°
26°
30
45°
30°
1
43°
32°
2
44°
30°
3
45°
25°
4
43°
27°
5
43°
27°
6
46°
25°
7
48°
22°
8
44°
24°
9
42°
23°
10
44°
24°
11
45°
25°
12
46°
26°
13
47°
28°
14
41°
23°
15
40°
20°
16
39°
20°
17
41°
21°
18
43°
20°
19
43°
30°
20
41°
21°
21
45°
25°
22
45°
30°
23
Hist. Avg.
37°
18°
24
Hist. Avg.
37°
18°
25
Hist. Avg.
36°
18°
26
Hist. Avg.
36°
18°
27
Hist. Avg.
36°
18°
28
Hist. Avg.
36°
18°
29
Hist. Avg.
36°
18°
30
Hist. Avg.
36°
18°
31
Hist. Avg.
36°
18°
1
Hist. Avg.
38°
21°
2
Hist. Avg.
38°
21°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Mt Lemmon Ski Valley
Mt Lemmon Ski Valley's December 2026 forecast shows daily high temperatures ranging from 39° to 48°, with overnight lows between 20° and 32°. The average high for December is 44° with an average low of 25°. 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 Mt Lemmon Ski Valley. See also: January | February | March.
