S
M
T
W
T
F
S
29
58°
38°
30
56°
39°
1
57°
32°
2
43°
26°
3
44°
28°
4
51°
34°
5
51°
36°
6
42°
29°
7
41°
24°
8
40°
22°
9
39°
23°
10
40°
28°
11
46°
27°
12
49°
30°
13
47°
27°
14
42°
24°
15
41°
27°
16
42°
31°
17
41°
27°
18
43°
22°
19
40°
20°
20
38°
18°
21
36°
21°
22
39°
26°
23
44°
24°
24
40°
21°
25
37°
19°
26
38°
20°
27
38°
19°
28
39°
19°
29
37°
24°
30
38°
20°
31
38°
18°
1
37°
13°
2
35°
15°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Mill Spring
Mill Spring's December 2026 forecast shows daily high temperatures ranging from 35° to 58°, with overnight lows between 13° and 39°. The average high for December is 42° with an average low of 25°. 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 Mill Spring. See also: January | February | March.
