S
M
T
W
T
F
S
27
37°
26°
28
35°
29°
29
38°
25°
30
39°
30°
31
39°
38°
1
45°
34°
2
45°
29°
3
42°
26°
4
40°
27°
5
38°
25°
6
37°
26°
7
37°
27°
8
39°
28°
9
39°
27°
10
40°
28°
11
40°
29°
12
41°
30°
13
40°
28°
14
41°
28°
15
40°
33°
16
42°
32°
17
43°
31°
18
43°
37°
19
44°
35°
20
45°
35°
21
46°
36°
22
43°
40°
23
47°
39°
24
46°
38°
25
45°
34°
26
46°
33°
27
43°
36°
28
44°
37°
29
45°
38°
30
42°
27°
31
43°
31°
1
43°
27°
2
Hist. Avg.
49°
35°
3
Hist. Avg.
49°
35°
4
Hist. Avg.
49°
35°
5
Hist. Avg.
49°
35°
6
Hist. Avg.
49°
35°
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 35° to 47°, with overnight lows between 25° and 40°. The average high for January is 42° with an average low of 31°. 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.
