S
M
T
W
T
F
S
29
31°
2°
30
32°
8°
1
31°
2°
2
27°
0°
3
25°
2°
4
28°
2°
5
30°
1°
6
28°
-3°
7
26°
1°
8
27°
-1°
9
27°
-2°
10
28°
-3°
11
25°
-1°
12
27°
3°
13
33°
5°
14
33°
5°
15
32°
1°
16
29°
9°
17
35°
10°
18
36°
5°
19
33°
8°
20
32°
7°
21
34°
8°
22
35°
7°
23
31°
8°
24
28°
10°
25
33°
11°
26
35°
9°
27
35°
10°
28
36°
7°
29
34°
2°
30
27°
-3°
31
22°
-6°
1
21°
-4°
2
Hist. Avg.
29°
4°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Frisco
Frisco's December 2026 forecast shows daily high temperatures ranging from 21° to 36°, with overnight lows between -6° and 11°. The average high for December is 30° with an average low of 4°. 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 Frisco. See also: January | February | March.
