S
M
T
W
T
F
S
29
63°
36°
30
66°
38°
1
65°
37°
2
65°
40°
3
68°
41°
4
70°
43°
5
71°
36°
6
66°
39°
7
67°
40°
8
70°
41°
9
71°
40°
10
71°
42°
11
70°
41°
12
70°
40°
13
71°
39°
14
71°
39°
15
70°
40°
16
70°
41°
17
69°
41°
18
71°
40°
19
71°
39°
20
70°
39°
21
67°
33°
22
62°
33°
23
61°
35°
24
63°
42°
25
64°
41°
26
63°
37°
27
62°
36°
28
62°
35°
29
63°
36°
30
63°
38°
31
64°
37°
1
64°
38°
2
65°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Perris
Perris's December 2026 forecast shows daily high temperatures ranging from 61° to 71°, with overnight lows between 33° and 43°. The average high for December is 67° with an average low of 39°. 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 Perris. See also: January | February | March.
