S
M
T
W
T
F
S
29
43°
15°
30
36°
10°
1
37°
18°
2
43°
20°
3
42°
19°
4
36°
17°
5
35°
11°
6
40°
17°
7
36°
14°
8
42°
18°
9
46°
18°
10
45°
19°
11
46°
19°
12
45°
18°
13
44°
19°
14
42°
17°
15
41°
11°
16
41°
10°
17
35°
11°
18
37°
14°
19
43°
13°
20
46°
13°
21
43°
8°
22
37°
16°
23
44°
12°
24
46°
18°
25
42°
20°
26
49°
11°
27
43°
6°
28
36°
16°
29
36°
15°
30
43°
13°
31
40°
16°
1
47°
17°
2
45°
12°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Ruth
Ruth's December 2026 forecast shows daily high temperatures ranging from 35° to 49°, with overnight lows between 6° and 20°. The average high for December is 41° with an average low of 15°. 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 Ruth. See also: January | February | March.