S
M
T
W
T
F
S
29
57°
35°
30
56°
32°
1
57°
33°
2
57°
31°
3
59°
30°
4
54°
30°
5
56°
37°
6
61°
45°
7
66°
39°
8
68°
31°
9
63°
32°
10
57°
31°
11
58°
39°
12
60°
40°
13
56°
34°
14
59°
29°
15
53°
29°
16
52°
30°
17
55°
33°
18
56°
40°
19
58°
42°
20
60°
44°
21
65°
44°
22
66°
43°
23
65°
39°
24
67°
37°
25
63°
39°
26
64°
39°
27
62°
29°
28
63°
34°
29
54°
28°
30
57°
25°
31
56°
24°
1
47°
26°
2
51°
25°
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 47° to 68°, with overnight lows between 24° and 45°. The average high for December is 59° with an average low of 34°. 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.
