S
M
T
W
T
F
S
29
49°
38°
30
57°
34°
1
57°
30°
2
51°
35°
3
57°
27°
4
56°
26°
5
42°
27°
6
42°
25°
7
41°
26°
8
43°
32°
9
44°
34°
10
55°
30°
11
53°
31°
12
44°
29°
13
42°
29°
14
42°
28°
15
43°
23°
16
40°
20°
17
38°
23°
18
37°
34°
19
45°
33°
20
45°
28°
21
50°
29°
22
43°
37°
23
52°
38°
24
52°
34°
25
51°
32°
26
50°
32°
27
46°
34°
28
48°
35°
29
50°
35°
30
50°
36°
31
52°
33°
1
52°
31°
2
50°
31°
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 37° to 57°, with overnight lows between 20° and 38°. The average high for December is 48° with an average low of 31°. 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.
