S
M
T
W
T
F
S
29
86°
74°
30
85°
74°
1
85°
73°
2
86°
74°
3
86°
74°
4
85°
73°
5
86°
73°
6
85°
72°
7
85°
73°
8
83°
74°
9
85°
73°
10
86°
72°
11
85°
73°
12
86°
72°
13
85°
74°
14
85°
73°
15
86°
72°
16
86°
72°
17
85°
73°
18
85°
73°
19
86°
72°
20
85°
73°
21
85°
73°
22
86°
72°
23
85°
73°
24
85°
73°
25
84°
71°
26
85°
72°
27
84°
73°
28
85°
73°
29
85°
72°
30
86°
73°
31
86°
73°
1
85°
72°
2
86°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Prosperity
Prosperity's December 2026 forecast shows daily high temperatures ranging from 83° to 86°, with overnight lows between 71° and 74°. The average high for December is 85° with an average low of 73°. 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 Prosperity. See also: January | February | March.
