S
M
T
W
T
F
S
29
55°
30°
30
47°
23°
1
40°
20°
2
41°
26°
3
50°
28°
4
45°
29°
5
45°
28°
6
44°
23°
7
39°
20°
8
38°
24°
9
47°
27°
10
50°
27°
11
51°
28°
12
52°
27°
13
51°
27°
14
43°
24°
15
45°
25°
16
46°
19°
17
43°
13°
18
40°
11°
19
41°
9°
20
33°
14°
21
38°
20°
22
43°
17°
23
43°
18°
24
44°
17°
25
40°
21°
26
47°
24°
27
50°
24°
28
44°
21°
29
42°
20°
30
42°
12°
31
39°
10°
1
34°
16°
2
37°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Ransom
Ransom's December 2026 forecast shows daily high temperatures ranging from 33° to 55°, with overnight lows between 9° and 30°. The average high for December is 44° with an average low of 21°. 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 Ransom. See also: January | February | March.