S
M
T
W
T
F
S
29
39°
27°
30
44°
30°
1
47°
31°
2
47°
27°
3
38°
28°
4
42°
31°
5
48°
24°
6
36°
21°
7
36°
23°
8
43°
31°
9
47°
30°
10
43°
29°
11
45°
31°
12
46°
29°
13
41°
25°
14
38°
17°
15
32°
16°
16
32°
18°
17
36°
26°
18
40°
28°
19
44°
27°
20
41°
27°
21
45°
26°
22
43°
26°
23
37°
24°
24
41°
29°
25
30°
12°
26
31°
16°
27
31°
15°
28
33°
25°
29
38°
24°
30
43°
22°
31
39°
24°
1
37°
22°
2
41°
15°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Ayer
Ayer's December 2026 forecast shows daily high temperatures ranging from 30° to 48°, with overnight lows between 12° and 31°. The average high for December is 40° with an average low of 24°. 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 Ayer. See also: January | February | March.
