S
M
T
W
T
F
S
29
42°
24°
30
41°
24°
1
42°
26°
2
44°
31°
3
44°
31°
4
50°
34°
5
49°
36°
6
48°
35°
7
47°
33°
8
41°
31°
9
40°
26°
10
40°
26°
11
54°
35°
12
54°
29°
13
56°
25°
14
42°
22°
15
39°
26°
16
42°
23°
17
39°
28°
18
43°
34°
19
46°
36°
20
52°
36°
21
53°
34°
22
52°
35°
23
51°
37°
24
55°
33°
25
55°
25°
26
53°
22°
27
37°
27°
28
43°
32°
29
49°
33°
30
50°
35°
31
52°
37°
1
52°
31°
2
53°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Rosemount
Rosemount's December 2026 forecast shows daily high temperatures ranging from 37° to 56°, with overnight lows between 22° and 37°. The average high for December is 47° with an average low of 30°. 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 Rosemount. See also: January | February | March.
