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