S
M
T
W
T
F
S
29
59°
36°
30
60°
36°
1
61°
44°
2
61°
43°
3
57°
45°
4
59°
40°
5
61°
37°
6
60°
35°
7
59°
37°
8
60°
36°
9
62°
36°
10
60°
37°
11
62°
36°
12
61°
38°
13
60°
37°
14
61°
36°
15
60°
36°
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 57° to 62°, with overnight lows between 35° and 45°. The average high for December is 60° with an average low of 38°. 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.
