S
M
T
W
T
F
S
30
64°
48°
1
72°
50°
2
69°
47°
3
67°
52°
4
70°
51°
5
71°
48°
6
71°
48°
7
77°
50°
8
80°
51°
9
82°
58°
10
85°
51°
11
82°
54°
12
79°
54°
13
72°
48°
14
68°
51°
15
70°
46°
16
75°
47°
17
67°
49°
18
80°
51°
19
76°
52°
20
67°
51°
21
73°
49°
22
71°
49°
23
64°
55°
24
64°
57°
25
65°
55°
26
60°
52°
27
60°
46°
28
66°
44°
29
71°
46°
30
69°
53°
31
70°
55°
1
64°
53°
2
64°
53°
3
64°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in West Covina
West Covina's December 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for December is ° with an average low of °. 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 West Covina. See also: January | February | March.
