S
M
T
W
T
F
S
29
38°
30°
30
43°
28°
1
44°
29°
2
43°
31°
3
44°
26°
4
41°
31°
5
43°
31°
6
44°
33°
7
45°
27°
8
45°
23°
9
38°
26°
10
38°
24°
11
37°
29°
12
39°
28°
13
37°
28°
14
38°
30°
15
42°
25°
16
43°
21°
17
37°
25°
18
34°
22°
19
33°
22°
20
34°
27°
21
37°
27°
22
38°
26°
23
40°
26°
24
39°
25°
25
36°
22°
26
37°
25°
27
35°
25°
28
37°
24°
29
37°
20°
30
35°
23°
31
35°
10°
1
37°
8°
2
35°
9°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Flint
Flint's December 2026 forecast shows daily high temperatures ranging from 33° to 45°, with overnight lows between 8° and 33°. The average high for December is 39° with an average low of 25°. 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 Flint. See also: January | February | March.
