S
M
T
W
T
F
S
29
47°
25°
30
46°
24°
1
46°
24°
2
47°
26°
3
46°
28°
4
49°
32°
5
50°
34°
6
46°
35°
7
46°
34°
8
44°
33°
9
44°
29°
10
45°
29°
11
58°
36°
12
58°
33°
13
62°
28°
14
60°
25°
15
44°
24°
16
46°
22°
17
44°
27°
18
48°
35°
19
53°
36°
20
57°
37°
21
57°
34°
22
56°
34°
23
56°
36°
24
58°
34°
25
60°
27°
26
60°
23°
27
45°
24°
28
48°
29°
29
52°
33°
30
55°
35°
31
56°
38°
1
58°
36°
2
58°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Amherst
Amherst's December 2026 forecast shows daily high temperatures ranging from 44° to 62°, with overnight lows between 22° and 38°. The average high for December is 52° with an average low of 31°. 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 Amherst. See also: January | February | March.
