S
M
T
W
T
F
S
29
51°
31°
30
52°
34°
1
53°
43°
2
53°
45°
3
54°
44°
4
56°
45°
5
53°
44°
6
55°
44°
7
59°
40°
8
51°
34°
9
49°
33°
10
51°
33°
11
66°
36°
12
68°
29°
13
67°
28°
14
48°
29°
15
50°
28°
16
52°
29°
17
49°
35°
18
53°
44°
19
62°
45°
20
65°
43°
21
65°
39°
22
64°
45°
23
65°
42°
24
67°
28°
25
66°
26°
26
47°
27°
27
47°
29°
28
55°
40°
29
58°
42°
30
62°
44°
31
64°
46°
1
65°
38°
2
66°
29°
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 26° and 46°. The average high for December is 57° with an average low of 37°. 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.
