S
M
T
W
T
F
S
29
67°
44°
30
65°
44°
1
67°
38°
2
52°
31°
3
52°
29°
4
56°
35°
5
62°
37°
6
52°
30°
7
51°
31°
8
50°
28°
9
50°
29°
10
48°
27°
11
50°
28°
12
54°
32°
13
56°
32°
14
52°
32°
15
52°
36°
16
51°
35°
17
52°
30°
18
54°
28°
19
50°
26°
20
49°
27°
21
49°
27°
22
52°
29°
23
50°
30°
24
47°
27°
25
48°
26°
26
48°
27°
27
49°
26°
28
49°
27°
29
50°
29°
30
49°
27°
31
49°
26°
1
48°
25°
2
47°
26°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Gardner
Gardner's December 2026 forecast shows daily high temperatures ranging from 47° to 67°, with overnight lows between 25° and 44°. The average high for December is 52° 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 Gardner. See also: January | February | March.