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