S
M
T
W
T
F
S
29
55°
34°
30
53°
34°
1
52°
26°
2
40°
25°
3
43°
28°
4
53°
30°
5
50°
32°
6
39°
23°
7
38°
19°
8
36°
18°
9
37°
21°
10
42°
25°
11
44°
24°
12
47°
23°
13
44°
24°
14
38°
19°
15
41°
21°
16
39°
24°
17
40°
22°
18
38°
16°
19
36°
15°
20
35°
13°
21
33°
15°
22
34°
21°
23
38°
20°
24
36°
20°
25
35°
12°
26
35°
13°
27
34°
13°
28
35°
14°
29
33°
18°
30
34°
16°
31
34°
12°
1
36°
8°
2
33°
9°
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 33° to 55°, with overnight lows between 8° and 34°. The average high for December is 40° with an average low of 20°. 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.
