S
M
T
W
T
F
S
29
36°
30°
30
37°
29°
1
36°
28°
2
36°
29°
3
35°
30°
4
34°
29°
5
35°
28°
6
35°
28°
7
36°
30°
8
36°
29°
9
35°
29°
10
35°
28°
11
34°
29°
12
35°
28°
13
34°
22°
14
23°
20°
15
26°
25°
16
34°
15°
17
35°
13°
18
23°
9°
19
17°
7°
20
16°
7°
21
15°
9°
22
17°
10°
23
18°
10°
24
17°
8°
25
18°
8°
26
16°
16°
27
23°
7°
28
33°
9°
29
17°
16°
30
21°
20°
31
34°
30°
1
36°
27°
2
36°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Platinum
Platinum's December 2026 forecast shows daily high temperatures ranging from 15° to 37°, with overnight lows between 7° and 30°. The average high for December is 29° with an average low of 21°. 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 Platinum. See also: January | February | March.