S
M
T
W
T
F
S
29
48°
29°
30
49°
30°
1
50°
34°
2
49°
36°
3
49°
41°
4
50°
40°
5
49°
42°
6
50°
42°
7
52°
38°
8
48°
32°
9
46°
30°
10
47°
29°
11
61°
42°
12
63°
28°
13
64°
27°
14
45°
28°
15
47°
27°
16
48°
25°
17
45°
29°
18
50°
42°
19
56°
43°
20
59°
42°
21
63°
36°
22
61°
40°
23
60°
43°
24
62°
28°
25
63°
25°
26
54°
26°
27
45°
28°
28
51°
39°
29
56°
40°
30
60°
42°
31
60°
44°
1
61°
39°
2
63°
29°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Johns Creek
Johns Creek's December 2026 forecast shows daily high temperatures ranging from 45° to 64°, with overnight lows between 25° and 44°. The average high for December is 54° with an average low of 35°. 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 Johns Creek. See also: January | February | March.
