S
M
T
W
T
F
S
27
27°
12°
28
28°
14°
29
30°
7°
30
28°
0°
31
23°
0°
1
15°
1°
2
17°
2°
3
17°
6°
4
20°
3°
5
23°
8°
6
24°
12°
7
26°
13°
8
29°
14°
9
30°
12°
10
31°
8°
11
26°
3°
12
20°
13°
13
26°
10°
14
30°
14°
15
29°
14°
16
30°
12°
17
31°
13°
18
29°
14°
19
30°
13°
20
31°
12°
21
31°
12°
22
27°
11°
23
26°
13°
24
30°
8°
25
28°
4°
26
23°
0°
27
18°
-2°
28
22°
-6°
29
18°
-1°
30
18°
-2°
31
19°
11°
1
21°
-2°
2
32°
-5°
3
19°
0°
4
14°
-2°
5
29°
-5°
6
19°
1°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
January Weather in Delavan
Delavan's January 2027 forecast shows daily high temperatures ranging from 14° to 32°, with overnight lows between -6° and 14°. The average high for January is 25° with an average low of 6°. 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 Delavan. See also: February | March | April.
