S
M
T
W
T
F
S
29
54°
36°
30
53°
35°
1
52°
26°
2
38°
25°
3
43°
33°
4
52°
33°
5
50°
32°
6
38°
28°
7
37°
23°
8
35°
20°
9
36°
25°
10
42°
28°
11
44°
26°
12
48°
27°
13
44°
28°
14
38°
23°
15
41°
24°
16
41°
26°
17
38°
22°
18
36°
18°
19
35°
17°
20
34°
15°
21
32°
20°
22
34°
23°
23
37°
21°
24
35°
19°
25
34°
16°
26
33°
19°
27
33°
16°
28
34°
15°
29
32°
20°
30
32°
18°
31
33°
14°
1
33°
9°
2
31°
13°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Mexico
Mexico's December 2026 forecast shows daily high temperatures ranging from 31° to 54°, with overnight lows between 9° and 36°. The average high for December is 39° with an average low of 23°. 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 Mexico. See also: January | February | March.
