S
M
T
W
T
F
S
29
64°
39°
30
64°
39°
1
62°
43°
2
62°
39°
3
61°
40°
4
61°
42°
5
64°
43°
6
67°
45°
7
68°
47°
8
67°
46°
9
66°
42°
10
57°
40°
11
55°
38°
12
58°
37°
13
Hist. Avg.
56°
37°
14
Hist. Avg.
56°
37°
15
Hist. Avg.
55°
37°
16
Hist. Avg.
55°
37°
17
Hist. Avg.
55°
37°
18
Hist. Avg.
55°
37°
19
Hist. Avg.
55°
36°
20
Hist. Avg.
55°
36°
21
Hist. Avg.
55°
36°
22
Hist. Avg.
55°
36°
23
Hist. Avg.
55°
36°
24
Hist. Avg.
55°
36°
25
Hist. Avg.
55°
36°
26
Hist. Avg.
55°
36°
27
Hist. Avg.
55°
36°
28
Hist. Avg.
55°
36°
29
Hist. Avg.
55°
36°
30
Hist. Avg.
55°
36°
31
Hist. Avg.
55°
36°
1
Hist. Avg.
55°
37°
2
Hist. Avg.
56°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Las Vegas
Las Vegas's December 2026 forecast shows daily high temperatures ranging from 55° to 68°, with overnight lows between 37° and 47°. The average high for December is 63° with an average low of 41°. 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 Las Vegas. See also: January | February | March.
