S
M
T
W
T
F
S
29
40°
33°
30
38°
27°
1
34°
25°
2
39°
30°
3
44°
32°
4
44°
32°
5
43°
31°
6
44°
30°
7
33°
23°
8
35°
22°
9
35°
24°
10
34°
25°
11
31°
25°
12
32°
21°
13
32°
15°
14
30°
15°
15
27°
14°
16
25°
14°
17
26°
13°
18
27°
14°
19
28°
15°
20
28°
18°
21
27°
21°
22
28°
27°
23
35°
27°
24
36°
24°
25
38°
20°
26
35°
15°
27
28°
22°
28
31°
24°
29
34°
17°
30
33°
12°
31
27°
13°
1
25°
17°
2
29°
16°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Swartz Creek
Swartz Creek's December 2026 forecast shows daily high temperatures ranging from 25° to 44°, with overnight lows between 12° and 33°. The average high for December is 33° with an average low of 22°. 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 Swartz Creek. See also: January | February | March.
