S
M
T
W
T
F
S
29
64°
42°
30
61°
42°
1
64°
33°
2
49°
28°
3
49°
29°
4
55°
35°
5
57°
33°
6
49°
29°
7
48°
28°
8
47°
26°
9
47°
27°
10
46°
26°
11
51°
28°
12
54°
33°
13
55°
32°
14
50°
31°
15
49°
32°
16
47°
34°
17
48°
30°
18
48°
26°
19
47°
25°
20
46°
25°
21
46°
26°
22
50°
28°
23
47°
27°
24
45°
25°
25
44°
24°
26
44°
25°
27
46°
25°
28
46°
26°
29
47°
29°
30
45°
26°
31
46°
25°
1
45°
23°
2
44°
25°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Donaldson
Donaldson's December 2026 forecast shows daily high temperatures ranging from 44° to 64°, with overnight lows between 23° and 42°. The average high for December is 49° with an average low of 29°. 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 Donaldson. See also: January | February | March.