S
M
T
W
T
F
S
29
41°
29°
30
41°
28°
1
38°
29°
2
39°
28°
3
39°
28°
4
38°
27°
5
38°
27°
6
35°
26°
7
31°
23°
8
31°
23°
9
32°
25°
10
37°
26°
11
37°
25°
12
36°
24°
13
36°
25°
14
27°
17°
15
27°
20°
16
33°
22°
17
32°
21°
18
33°
20°
19
32°
17°
20
32°
12°
21
30°
16°
22
27°
19°
23
31°
20°
24
33°
18°
25
32°
16°
26
30°
14°
27
28°
18°
28
28°
18°
29
32°
16°
30
30°
12°
31
32°
11°
1
30°
10°
2
22°
8°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Gladstone
Gladstone's December 2026 forecast shows daily high temperatures ranging from 22° to 41°, with overnight lows between 8° and 29°. The average high for December is 33° with an average low of 21°. 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 Gladstone. See also: January | February | March.
