S
M
T
W
T
F
S
27
47°
23°
28
46°
24°
29
47°
28°
30
50°
26°
31
49°
24°
1
45°
19°
2
44°
19°
3
43°
24°
4
46°
29°
5
50°
39°
6
58°
30°
7
60°
21°
8
55°
20°
9
44°
22°
10
45°
20°
11
46°
18°
12
44°
16°
13
43°
17°
14
43°
17°
15
44°
20°
16
45°
26°
17
48°
20°
18
49°
17°
19
45°
16°
20
41°
20°
21
45°
29°
22
50°
36°
23
55°
37°
24
58°
33°
25
59°
28°
26
54°
25°
27
51°
25°
28
49°
23°
29
48°
23°
30
45°
20°
31
47°
16°
1
43°
19°
2
Hist. Avg.
53°
34°
3
Hist. Avg.
53°
34°
4
Hist. Avg.
54°
34°
5
Hist. Avg.
54°
34°
6
Hist. Avg.
54°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Hamilton
Hamilton's January 2027 forecast shows daily high temperatures ranging from 41° to 60°, with overnight lows between 16° and 39°. The average high for January is 48° with an average low of 23°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how January weather will actually feel in Hamilton. See also: February | March | April.
