S
M
T
W
T
F
S
27
40°
36°
28
39°
37°
29
43°
36°
30
43°
36°
31
42°
35°
1
39°
36°
2
40°
37°
3
42°
38°
4
44°
37°
5
44°
37°
6
41°
35°
7
42°
37°
8
39°
37°
9
42°
36°
10
43°
35°
11
41°
35°
12
41°
33°
13
40°
33°
14
39°
32°
15
36°
30°
16
35°
33°
17
37°
34°
18
39°
33°
19
39°
34°
20
38°
35°
21
42°
35°
22
41°
34°
23
44°
35°
24
43°
30°
25
39°
31°
26
37°
33°
27
37°
32°
28
40°
28°
29
38°
26°
30
34°
28°
31
34°
29°
1
37°
28°
2
37°
27°
3
38°
29°
4
37°
28°
5
37°
28°
6
36°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Hamm
Hamm's January 2027 forecast shows daily high temperatures ranging from 34° to 44°, with overnight lows between 26° and 38°. The average high for January is 40° with an average low of 33°. 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 Hamm. See also: February | March | April.