S
M
T
W
T
F
S
30
48°
46°
1
49°
37°
2
46°
37°
3
54°
42°
4
48°
35°
5
45°
35°
6
45°
42°
7
48°
39°
8
46°
42°
9
46°
42°
10
48°
42°
11
44°
40°
12
42°
39°
13
44°
38°
14
43°
39°
15
44°
39°
16
48°
41°
17
62°
43°
18
55°
47°
19
57°
50°
20
61°
51°
21
66°
57°
22
67°
51°
23
66°
51°
24
65°
54°
25
62°
54°
26
61°
48°
27
54°
41°
28
55°
34°
29
50°
36°
30
48°
40°
31
51°
44°
1
60°
50°
2
62°
46°
3
62°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Grayson
Grayson's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. 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 Grayson. See also: January | February | March.
