S
M
T
W
T
F
S
29
55°
33°
30
52°
32°
1
52°
36°
2
51°
35°
3
51°
34°
4
52°
32°
5
47°
30°
6
41°
31°
7
40°
27°
8
41°
23°
9
36°
18°
10
35°
17°
11
35°
19°
12
39°
19°
13
39°
24°
14
42°
29°
15
40°
29°
16
41°
26°
17
48°
28°
18
49°
27°
19
43°
23°
20
38°
20°
21
35°
24°
22
48°
17°
23
41°
14°
24
35°
13°
25
34°
12°
26
32°
24°
27
42°
26°
28
49°
25°
29
47°
14°
30
47°
17°
31
33°
10°
1
41°
9°
2
31°
10°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Rhineland
Rhineland's December 2026 forecast shows daily high temperatures ranging from 31° to 55°, with overnight lows between 9° and 36°. The average high for December is 42° with an average low of 23°. 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 Rhineland. See also: January | February | March.
