S
M
T
W
T
F
S
29
86°
67°
30
85°
67°
1
85°
66°
2
86°
68°
3
86°
68°
4
85°
67°
5
86°
67°
6
86°
66°
7
85°
68°
8
84°
67°
9
86°
66°
10
85°
67°
11
86°
66°
12
85°
67°
13
86°
67°
14
86°
66°
15
85°
66°
16
87°
65°
17
87°
66°
18
86°
66°
19
86°
67°
20
85°
67°
21
86°
66°
22
86°
67°
23
87°
66°
24
85°
67°
25
86°
65°
26
86°
66°
27
85°
65°
28
85°
66°
29
86°
67°
30
87°
67°
31
87°
66°
1
86°
67°
2
87°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Membrillo
Membrillo's December 2026 forecast shows daily high temperatures ranging from 84° to 87°, with overnight lows between 65° and 68°. The average high for December is 86° with an average low of 67°. 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 Membrillo. See also: January | February | March.