S
M
T
W
T
F
S
29
71°
52°
30
65°
48°
1
66°
50°
2
65°
51°
3
65°
48°
4
66°
50°
5
66°
48°
6
69°
48°
7
71°
50°
8
67°
50°
9
63°
46°
10
63°
50°
11
63°
40°
12
63°
41°
13
64°
46°
14
69°
45°
15
71°
47°
16
70°
43°
17
64°
49°
18
66°
48°
19
66°
51°
20
68°
51°
21
70°
41°
22
68°
39°
23
63°
40°
24
62°
42°
25
63°
45°
26
65°
46°
27
65°
45°
28
64°
42°
29
63°
42°
30
63°
41°
31
62°
40°
1
62°
42°
2
63°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in El Monte
El Monte's December 2026 forecast shows daily high temperatures ranging from 62° to 71°, with overnight lows between 39° and 52°. The average high for December is 66° with an average low of 46°. 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 El Monte. See also: January | February | March.
