S
M
T
W
T
F
S
29
42°
34°
30
43°
30°
1
45°
24°
2
40°
32°
3
40°
29°
4
49°
27°
5
40°
28°
6
45°
37°
7
46°
32°
8
49°
27°
9
46°
28°
10
38°
29°
11
41°
34°
12
45°
33°
13
46°
32°
14
43°
33°
15
44°
30°
16
48°
24°
17
48°
24°
18
37°
22°
19
38°
20°
20
36°
29°
21
38°
32°
22
45°
33°
23
44°
32°
24
45°
30°
25
43°
27°
26
39°
21°
27
34°
24°
28
37°
25°
29
38°
21°
30
35°
18°
31
35°
27°
1
44°
12°
2
48°
11°
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 34° to 49°, with overnight lows between 11° and 37°. The average high for December is 42° with an average low of 27°. 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.
