S
M
T
W
T
F
S
29
56°
41°
30
62°
41°
1
61°
40°
2
57°
33°
3
50°
29°
4
53°
32°
5
57°
39°
6
54°
32°
7
49°
31°
8
47°
26°
9
48°
28°
10
47°
27°
11
47°
27°
12
48°
29°
13
51°
26°
14
50°
27°
15
50°
35°
16
52°
36°
17
51°
32°
18
57°
29°
19
52°
24°
20
48°
23°
21
46°
23°
22
48°
26°
23
51°
27°
24
46°
24°
25
46°
23°
26
45°
24°
27
47°
23°
28
46°
24°
29
47°
28°
30
50°
26°
31
49°
24°
1
45°
19°
2
44°
19°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Hamilton
Hamilton's December 2026 forecast shows daily high temperatures ranging from 44° to 62°, with overnight lows between 19° and 41°. The average high for December is 50° with an average low of 28°. 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 Hamilton. See also: January | February | March.
