S
M
T
W
T
F
S
29
46°
31°
30
43°
30°
1
43°
34°
2
42°
35°
3
49°
32°
4
47°
34°
5
41°
27°
6
42°
26°
7
40°
25°
8
36°
24°
9
36°
23°
10
37°
24°
11
36°
30°
12
40°
25°
13
38°
27°
14
Hist. Avg.
46°
31°
15
Hist. Avg.
46°
30°
16
Hist. Avg.
46°
30°
17
Hist. Avg.
46°
30°
18
Hist. Avg.
45°
30°
19
Hist. Avg.
45°
30°
20
Hist. Avg.
45°
29°
21
Hist. Avg.
44°
29°
22
Hist. Avg.
44°
29°
23
Hist. Avg.
44°
29°
24
Hist. Avg.
44°
29°
25
Hist. Avg.
44°
28°
26
Hist. Avg.
44°
28°
27
Hist. Avg.
43°
28°
28
Hist. Avg.
43°
28°
29
Hist. Avg.
43°
28°
30
Hist. Avg.
43°
28°
31
Hist. Avg.
43°
27°
1
Hist. Avg.
42°
27°
2
Hist. Avg.
42°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Wilmington
Wilmington's December 2026 forecast shows daily high temperatures ranging from 36° to 49°, with overnight lows between 23° and 35°. The average high for December is 41° with an average low of 28°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Wilmington. See also: January | February | March.
