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