S
M
T
W
T
F
S
29
42°
35°
30
38°
30°
1
36°
28°
2
39°
34°
3
45°
34°
4
46°
35°
5
45°
35°
6
46°
34°
7
35°
25°
8
36°
26°
9
36°
26°
10
35°
27°
11
33°
25°
12
32°
23°
13
33°
17°
14
31°
17°
15
30°
16°
16
27°
16°
17
28°
17°
18
28°
17°
19
29°
18°
20
29°
21°
21
28°
24°
22
31°
29°
23
35°
29°
24
38°
26°
25
40°
23°
26
38°
18°
27
30°
24°
28
32°
25°
29
36°
21°
30
34°
17°
31
29°
16°
1
27°
21°
2
30°
19°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Royal Oak
Royal Oak's December 2026 forecast shows daily high temperatures ranging from 27° to 46°, with overnight lows between 16° and 35°. The average high for December is 34° with an average low of 24°. 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 Royal Oak. See also: January | February | March.
