S
M
T
W
T
F
S
29
58°
46°
30
63°
46°
1
65°
45°
2
58°
38°
3
52°
34°
4
55°
36°
5
58°
44°
6
55°
37°
7
50°
36°
8
49°
30°
9
50°
33°
10
49°
31°
11
49°
31°
12
50°
33°
13
53°
30°
14
52°
31°
15
52°
39°
16
54°
40°
17
53°
36°
18
59°
33°
19
53°
28°
20
50°
27°
21
48°
27°
22
49°
30°
23
53°
31°
24
48°
28°
25
48°
27°
26
47°
28°
27
48°
27°
28
48°
28°
29
49°
33°
30
52°
31°
31
51°
28°
1
47°
24°
2
46°
23°
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 46° to 65°, with overnight lows between 23° and 46°. The average high for December is 52° with an average low of 33°. 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.
