S
M
T
W
T
F
S
29
63°
42°
30
59°
46°
1
58°
43°
2
63°
42°
3
63°
46°
4
64°
46°
5
61°
39°
6
57°
43°
7
57°
41°
8
58°
45°
9
58°
38°
10
57°
44°
11
56°
41°
12
56°
41°
13
57°
39°
14
57°
40°
15
58°
45°
16
57°
45°
17
62°
44°
18
63°
45°
19
62°
37°
20
61°
36°
21
55°
37°
22
56°
38°
23
56°
38°
24
57°
40°
25
56°
38°
26
58°
41°
27
57°
38°
28
61°
36°
29
58°
36°
30
59°
37°
31
58°
38°
1
60°
39°
2
62°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Milpitas
Milpitas's December 2026 forecast shows daily high temperatures ranging from 55° to 64°, with overnight lows between 36° and 46°. The average high for December is 59° 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 Milpitas. See also: January | February | March.
