S
M
T
W
T
F
S
29
38°
20°
30
36°
10°
1
31°
13°
2
28°
18°
3
29°
21°
4
32°
17°
5
34°
12°
6
33°
13°
7
29°
10°
8
34°
13°
9
30°
19°
10
34°
25°
11
36°
25°
12
38°
27°
13
37°
26°
14
39°
25°
15
37°
28°
16
39°
27°
17
39°
25°
18
38°
22°
19
38°
24°
20
35°
16°
21
37°
12°
22
34°
14°
23
31°
23°
24
33°
27°
25
38°
25°
26
39°
26°
27
38°
23°
28
39°
17°
29
35°
12°
30
31°
12°
31
Hist. Avg.
31°
16°
1
Hist. Avg.
31°
16°
2
Hist. Avg.
31°
16°
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 28° to 39°, with overnight lows between 10° and 28°. The average high for December is 35° with an average low of 20°. 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.
