S
M
T
W
T
F
S
29
49°
30°
30
50°
28°
1
50°
32°
2
51°
34°
3
59°
31°
4
51°
33°
5
49°
29°
6
48°
27°
7
46°
24°
8
44°
23°
9
45°
26°
10
47°
31°
11
47°
30°
12
Hist. Avg.
50°
29°
13
Hist. Avg.
49°
29°
14
Hist. Avg.
49°
29°
15
Hist. Avg.
49°
29°
16
Hist. Avg.
49°
29°
17
Hist. Avg.
48°
29°
18
Hist. Avg.
48°
28°
19
Hist. Avg.
48°
28°
20
Hist. Avg.
48°
28°
21
Hist. Avg.
48°
28°
22
Hist. Avg.
48°
28°
23
Hist. Avg.
48°
28°
24
Hist. Avg.
47°
28°
25
Hist. Avg.
47°
28°
26
Hist. Avg.
47°
27°
27
Hist. Avg.
47°
27°
28
Hist. Avg.
47°
27°
29
Hist. Avg.
47°
27°
30
Hist. Avg.
47°
27°
31
Hist. Avg.
46°
27°
1
Hist. Avg.
46°
27°
2
Hist. Avg.
46°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Amherst
Amherst's December 2026 forecast shows daily high temperatures ranging from 44° to 59°, with overnight lows between 23° and 34°. The average high for December is 49° with an average low of 29°. 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.
