S
M
T
W
T
F
S
29
47°
26°
30
48°
20°
1
43°
21°
2
45°
28°
3
50°
26°
4
47°
23°
5
43°
22°
6
46°
23°
7
42°
19°
8
41°
23°
9
45°
26°
10
50°
26°
11
51°
25°
12
49°
26°
13
51°
25°
14
46°
20°
15
44°
20°
16
48°
18°
17
42°
16°
18
41°
17°
19
42°
18°
20
49°
21°
21
50°
20°
22
44°
17°
23
44°
19°
24
48°
18°
25
45°
20°
26
50°
24°
27
52°
21°
28
43°
19°
29
43°
23°
30
50°
20°
31
48°
20°
1
50°
23°
2
53°
24°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Second Mesa
Second Mesa's December 2026 forecast shows daily high temperatures ranging from 41° to 53°, with overnight lows between 16° and 28°. The average high for December is 47° with an average low of 22°. 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 Second Mesa. See also: January | February | March.