Las Vegas is among the sunniest, driest, and least humid locations in North America. Las Vegas is the largest city in the Mojave Desert and has very hot summers; warm transitional seasons; and short, mild to chilly winters. There is abundant sunshine throughout the year, with an average of 310 sunny days and bright sunshine during 86% of all daylight hours. Rainfall is scarce, with an average of 4.2 inches dispersed between roughly 26 to 27 total rainy days per year.
Here is a list of the Las Vegas weather averages:
January
58° F (14° C)
34° F (1° C)
February
63° F (17° C)
39° F (4° C)
March
69° F (21° C)
44° F (7° C)
April
78° F (26° C)
51° F (11° C)
May
88° F (31° C)
60° F (16° C)
June
100° F (38° C)
69° F (21° C)
July
106° F (41° C)
74° F (23° C)
August
103° F (39° C)
74° F (23° C)
September
95° F (35° C)
66° F (19° C)
October
82° F (28° C)
54° F (12° C)
November
67° F (19° C)
43° F (6° C)
December
58° F (14° C)
34° F (1° C)
Fun Fact: The coldest day in Las Vegas was 8°F on January 13, 1963 and the hottest day was 120°F on July 7, 2024.