S
M
T
W
T
F
S
29
68°
47°
30
66°
43°
1
65°
35°
2
52°
32°
3
53°
35°
4
57°
45°
5
59°
38°
6
52°
34°
7
53°
33°
8
50°
31°
9
50°
30°
10
51°
30°
11
54°
32°
12
56°
37°
13
59°
39°
14
54°
34°
15
53°
35°
16
50°
37°
17
53°
33°
18
50°
30°
19
51°
28°
20
50°
29°
21
51°
30°
22
55°
30°
23
48°
29°
24
47°
29°
25
47°
27°
26
48°
30°
27
49°
29°
28
49°
31°
29
50°
30°
30
48°
32°
31
50°
28°
1
48°
27°
2
48°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Saltillo
Saltillo's December 2026 forecast shows daily high temperatures ranging from 47° to 68°, with overnight lows between 27° and 47°. The average high for December is 53° with an average low of 33°. 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 Saltillo. See also: January | February | March.