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