S
M
T
W
T
F
S
29
43°
19°
30
44°
25°
1
47°
17°
2
46°
12°
3
43°
16°
4
40°
17°
5
40°
14°
6
39°
12°
7
38°
11°
8
39°
8°
9
37°
9°
10
36°
7°
11
33°
10°
12
35°
12°
13
38°
14°
14
39°
18°
15
40°
16°
16
41°
17°
17
42°
18°
18
45°
21°
19
46°
21°
20
46°
24°
21
47°
23°
22
48°
16°
23
46°
14°
24
38°
22°
25
42°
21°
26
40°
22°
27
40°
24°
28
47°
21°
29
47°
16°
30
44°
10°
31
Hist. Avg.
42°
15°
1
Hist. Avg.
42°
15°
2
Hist. Avg.
42°
15°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Oakley
Oakley's December 2026 forecast shows daily high temperatures ranging from 33° to 48°, with overnight lows between 7° and 25°. The average high for December is 42° with an average low of 16°. 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.
