S
M
T
W
T
F
S
29
55°
40°
30
56°
42°
1
56°
46°
2
58°
41°
3
59°
46°
4
60°
42°
5
58°
40°
6
56°
43°
7
58°
42°
8
61°
43°
9
61°
44°
10
60°
44°
11
61°
42°
12
61°
44°
13
60°
45°
14
61°
43°
15
61°
43°
16
60°
44°
17
61°
41°
18
61°
41°
19
60°
45°
20
60°
40°
21
56°
36°
22
54°
38°
23
52°
39°
24
53°
38°
25
54°
36°
26
51°
36°
27
53°
35°
28
53°
40°
29
54°
40°
30
55°
43°
31
56°
38°
1
58°
38°
2
56°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Jenner
Jenner's December 2026 forecast shows daily high temperatures ranging from 51° to 61°, with overnight lows between 35° and 46°. The average high for December is 57° with an average low of 41°. 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 Jenner. See also: January | February | March.
