S
M
T
W
T
F
S
29
45°
24°
30
44°
25°
1
47°
26°
2
47°
14°
3
44°
12°
4
36°
14°
5
33°
14°
6
35°
12°
7
34°
7°
8
35°
8°
9
31°
7°
10
28°
8°
11
28°
9°
12
30°
13°
13
32°
21°
14
37°
24°
15
40°
23°
16
41°
24°
17
42°
24°
18
42°
25°
19
44°
20°
20
43°
18°
21
41°
23°
22
41°
13°
23
40°
9°
24
38°
8°
25
30°
11°
26
31°
15°
27
33°
22°
28
38°
20°
29
41°
18°
30
29°
3°
31
26°
3°
1
Hist. Avg.
34°
15°
2
Hist. Avg.
34°
15°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Johnson
Johnson's December 2026 forecast shows daily high temperatures ranging from 26° to 47°, with overnight lows between 3° and 26°. The average high for December is 37° with an average low of 16°. 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 Johnson. See also: January | February | March.
