S
M
T
W
T
F
S
29
44°
34°
30
43°
30°
1
43°
34°
2
45°
35°
3
47°
19°
4
48°
18°
5
33°
18°
6
31°
20°
7
32°
21°
8
33°
16°
9
33°
15°
10
29°
16°
11
27°
19°
12
32°
18°
13
31°
19°
14
31°
22°
15
34°
23°
16
36°
24°
17
35°
25°
18
38°
30°
19
40°
29°
20
38°
29°
21
37°
27°
22
37°
25°
23
36°
26°
24
37°
22°
25
36°
25°
26
35°
24°
27
35°
18°
28
34°
17°
29
32°
23°
30
32°
18°
31
28°
14°
1
Hist. Avg.
34°
21°
2
Hist. Avg.
33°
21°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Dearborn
Dearborn's December 2026 forecast shows daily high temperatures ranging from 27° to 48°, with overnight lows between 14° and 35°. The average high for December is 36° with an average low of 23°. 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 Dearborn. See also: January | February | March.
