S
M
T
W
T
F
S
29
52°
26°
30
40°
18°
1
37°
17°
2
38°
26°
3
46°
26°
4
41°
25°
5
38°
25°
6
37°
19°
7
35°
15°
8
36°
24°
9
47°
25°
10
48°
24°
11
48°
25°
12
49°
24°
13
48°
24°
14
40°
19°
15
40°
23°
16
42°
15°
17
41°
12°
18
36°
9°
19
37°
10°
20
32°
11°
21
36°
16°
22
39°
11°
23
39°
14°
24
36°
16°
25
39°
20°
26
41°
21°
27
44°
16°
28
39°
10°
29
37°
13°
30
37°
9°
31
34°
8°
1
33°
19°
2
36°
20°
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 32° to 52°, with overnight lows between 8° and 26°. The average high for December is 40° with an average low of 18°. 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.
