S
M
T
W
T
F
S
29
49°
37°
30
51°
34°
1
48°
29°
2
43°
27°
3
37°
32°
4
43°
33°
5
41°
30°
6
42°
32°
7
40°
32°
8
44°
28°
9
43°
26°
10
37°
21°
11
32°
21°
12
30°
26°
13
33°
19°
14
34°
19°
15
30°
22°
16
30°
23°
17
33°
14°
18
36°
15°
19
28°
17°
20
27°
22°
21
33°
24°
22
35°
22°
23
31°
26°
24
34°
27°
25
35°
28°
26
39°
22°
27
25°
20°
28
29°
27°
29
34°
28°
30
Hist. Avg.
33°
18°
31
Hist. Avg.
33°
18°
1
Hist. Avg.
34°
18°
2
Hist. Avg.
33°
18°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Hamilton
Hamilton's December 2026 forecast shows daily high temperatures ranging from 25° to 51°, with overnight lows between 14° and 37°. The average high for December is 36° with an average low of 25°. 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.
