S
M
T
W
T
F
S
29
79°
52°
30
80°
49°
1
74°
49°
2
72°
50°
3
74°
49°
4
73°
52°
5
73°
56°
6
77°
56°
7
78°
55°
8
81°
49°
9
80°
52°
10
72°
55°
11
73°
54°
12
74°
55°
13
76°
54°
14
80°
47°
15
79°
47°
16
71°
50°
17
72°
52°
18
74°
53°
19
76°
54°
20
77°
54°
21
78°
53°
22
78°
54°
23
79°
54°
24
80°
53°
25
79°
53°
26
78°
52°
27
76°
51°
28
77°
52°
29
74°
47°
30
77°
43°
31
78°
42°
1
68°
45°
2
71°
44°
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 68° to 81°, with overnight lows between 42° and 56°. The average high for December is 76° with an average low of 51°. 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.