S
M
T
W
T
F
S
29
51°
25°
30
50°
23°
1
50°
23°
2
49°
26°
3
49°
26°
4
45°
25°
5
44°
24°
6
43°
22°
7
44°
24°
8
46°
23°
9
44°
24°
10
42°
23°
11
40°
21°
12
44°
23°
13
46°
26°
14
46°
21°
15
45°
21°
16
45°
20°
17
43°
19°
18
38°
18°
19
37°
14°
20
36°
12°
21
36°
14°
22
38°
15°
23
39°
11°
24
36°
11°
25
35°
12°
26
36°
11°
27
35°
10°
28
37°
15°
29
40°
16°
30
43°
18°
31
45°
16°
1
42°
12°
2
40°
19°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Stateline
Stateline's December 2026 forecast shows daily high temperatures ranging from 35° to 51°, with overnight lows between 10° and 26°. The average high for December is 42° with an average low of 19°. 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 Stateline. See also: January | February | March.
