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