S
M
T
W
T
F
S
27
25°
10°
28
29°
6°
29
24°
11°
30
24°
14°
31
26°
4°
1
30°
1°
2
20°
3°
3
19°
12°
4
23°
19°
5
33°
18°
6
32°
3°
7
33°
-1°
8
25°
-3°
9
17°
0°
10
20°
-1°
11
18°
-4°
12
15°
-3°
13
14°
-3°
14
18°
-2°
15
17°
1°
16
18°
3°
17
24°
1°
18
20°
-1°
19
18°
1°
20
17°
11°
21
24°
12°
22
26°
18°
23
32°
18°
24
33°
16°
25
31°
16°
26
32°
15°
27
31°
15°
28
32°
13°
29
32°
8°
30
28°
6°
31
Hist. Avg.
28°
10°
1
Hist. Avg.
28°
10°
2
Hist. Avg.
28°
10°
3
Hist. Avg.
29°
10°
4
Hist. Avg.
29°
10°
5
Hist. Avg.
29°
11°
6
Hist. Avg.
29°
11°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
January Weather in Delaware
Delaware's January 2027 forecast shows daily high temperatures ranging from 14° to 33°, with overnight lows between -4° and 19°. The average high for January is 25° with an average low of 7°. 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 Delaware. See also: February | March | April.
