S
M
T
W
T
F
S
29
88°
71°
30
88°
71°
1
87°
70°
2
87°
71°
3
86°
71°
4
87°
70°
5
87°
71°
6
86°
71°
7
87°
70°
8
87°
71°
9
88°
71°
10
88°
69°
11
87°
70°
12
88°
71°
13
87°
70°
14
87°
70°
15
86°
69°
16
86°
69°
17
87°
68°
18
86°
70°
19
87°
70°
20
87°
69°
21
86°
70°
22
85°
69°
23
86°
70°
24
85°
69°
25
86°
70°
26
87°
69°
27
87°
70°
28
86°
69°
29
86°
69°
30
86°
68°
31
86°
70°
1
Hist. Avg.
86°
65°
2
Hist. Avg.
86°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Monte Grande
Monte Grande's December 2026 forecast shows daily high temperatures ranging from 85° to 88°, with overnight lows between 68° and 71°. The average high for December is 87° with an average low of 70°. 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 Monte Grande. See also: January | February | March.
