S
M
T
W
T
F
S
29
53°
31°
30
58°
35°
1
64°
34°
2
64°
30°
3
55°
36°
4
60°
41°
5
64°
43°
6
66°
40°
7
66°
32°
8
59°
36°
9
60°
35°
10
63°
41°
11
62°
37°
12
64°
34°
13
60°
25°
14
50°
32°
15
53°
30°
16
56°
37°
17
58°
39°
18
63°
41°
19
62°
39°
20
66°
35°
21
62°
29°
22
53°
27°
23
48°
29°
24
48°
33°
25
53°
33°
26
51°
23°
27
50°
25°
28
49°
27°
29
48°
21°
30
48°
20°
31
45°
25°
1
45°
29°
2
54°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Vernon
Vernon's December 2026 forecast shows daily high temperatures ranging from 45° to 66°, with overnight lows between 20° and 43°. The average high for December is 57° with an average low of 33°. 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 Vernon. See also: January | February | March.
