S
M
T
W
T
F
S
29
45°
27°
30
50°
24°
1
48°
22°
2
38°
26°
3
43°
27°
4
45°
28°
5
45°
29°
6
48°
30°
7
47°
32°
8
50°
30°
9
50°
30°
10
49°
28°
11
47°
21°
12
45°
20°
13
36°
18°
14
35°
17°
15
34°
18°
16
38°
16°
17
33°
14°
18
32°
14°
19
30°
15°
20
30°
19°
21
35°
24°
22
37°
27°
23
43°
23°
24
44°
16°
25
43°
10°
26
32°
9°
27
31°
18°
28
31°
13°
29
40°
11°
30
31°
10°
31
28°
12°
1
27°
20°
2
34°
11°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Amesbury
Amesbury's December 2026 forecast shows daily high temperatures ranging from 27° to 50°, with overnight lows between 9° and 32°. The average high for December is 39° with an average low of 20°. 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 Amesbury. See also: January | February | March.