S
M
T
W
T
F
S
29
55°
45°
30
65°
45°
1
64°
46°
2
63°
44°
3
62°
40°
4
52°
35°
5
59°
38°
6
60°
42°
7
56°
38°
8
51°
38°
9
50°
36°
10
48°
32°
11
49°
29°
12
49°
30°
13
53°
29°
14
52°
28°
15
50°
33°
16
49°
39°
17
55°
40°
18
58°
40°
19
57°
28°
20
54°
24°
21
50°
25°
22
47°
28°
23
48°
31°
24
49°
26°
25
49°
25°
26
46°
25°
27
48°
26°
28
47°
25°
29
48°
29°
30
49°
33°
31
59°
26°
1
58°
23°
2
46°
21°
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 46° to 65°, with overnight lows between 21° and 46°. The average high for December is 53° with an average low of 33°. 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.
