S
M
T
W
T
F
S
29
59°
44°
30
61°
45°
1
63°
42°
2
51°
35°
3
49°
31°
4
53°
36°
5
56°
42°
6
50°
35°
7
47°
32°
8
46°
28°
9
46°
30°
10
45°
29°
11
46°
30°
12
49°
33°
13
51°
30°
14
49°
29°
15
49°
38°
16
50°
38°
17
51°
32°
18
55°
31°
19
48°
26°
20
47°
25°
21
45°
26°
22
47°
29°
23
50°
29°
24
45°
26°
25
45°
25°
26
46°
26°
27
46°
25°
28
47°
26°
29
46°
29°
30
49°
27°
31
46°
25°
1
44°
22°
2
43°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Randolph
Randolph's December 2026 forecast shows daily high temperatures ranging from 43° to 63°, with overnight lows between 22° and 45°. The average high for December is 49° with an average low of 31°. 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 Randolph. See also: January | February | March.