S
M
T
W
T
F
S
29
41°
32°
30
43°
32°
1
42°
31°
2
41°
31°
3
40°
30°
4
41°
30°
5
41°
31°
6
43°
27°
7
34°
25°
8
39°
28°
9
41°
20°
10
29°
24°
11
33°
27°
12
34°
26°
13
33°
26°
14
35°
25°
15
36°
26°
16
37°
28°
17
40°
26°
18
38°
25°
19
33°
24°
20
35°
25°
21
29°
18°
22
31°
17°
23
28°
15°
24
26°
16°
25
25°
9°
26
35°
5°
27
28°
7°
28
19°
8°
29
20°
13°
30
23°
12°
31
38°
10°
1
37°
10°
2
22°
9°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Johnstons River
Johnstons River's December 2026 forecast shows daily high temperatures ranging from 19° to 43°, with overnight lows between 5° and 32°. The average high for December is 34° with an average low of 21°. 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 Johnstons River. See also: January | February | March.
