S
M
T
W
T
F
S
29
60°
45°
30
65°
44°
1
64°
45°
2
64°
44°
3
63°
43°
4
52°
39°
5
58°
42°
6
60°
42°
7
60°
40°
8
52°
37°
9
50°
36°
10
49°
34°
11
52°
33°
12
49°
34°
13
49°
33°
14
52°
28°
15
47°
35°
16
52°
40°
17
62°
39°
18
60°
40°
19
59°
34°
20
58°
24°
21
57°
26°
22
45°
28°
23
48°
39°
24
59°
29°
25
62°
27°
26
46°
29°
27
48°
32°
28
47°
32°
29
49°
38°
30
53°
39°
31
61°
28°
1
61°
24°
2
49°
21°
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 45° to 65°, with overnight lows between 21° and 45°. The average high for December is 55° with an average low of 35°. 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.
