Las Vegas averages 129.1 days a year above 90°F, with February the wettest month at 0.82 in of normal rain. The hottest day on record was 119°F on Jul 7, 2024; the coldest, 21°F on Jan 14, 2007. The single biggest 24-hour rain event recorded was 1.69 in on Apr 9, 2016.
Climate and Average Weather Year Round in Las Vegas
Year-round temperature
In Las Vegas, the warmest months are June through September, with average daily highs between 94°F and 104°F. The coldest stretch runs December through February, with highs between 56°F and 62°F and overnight lows reaching 38°F.
Rainfall through the year
Rainfall in Las Vegas averages 0.3 in per month over the long run. February is the wettest at 0.8 in, while June is the driest at 0.0 in.
Days at 90 °F or hotter
Las Vegas averages 129.1 days per year at 90 °F or hotter. The hottest year on record saw 165 such days (2020); the coolest just 5 (2000).
Precipitation this year
As of May 28, Las Vegas has received 0.3 in of precipitation this year — 87% below the long-term normal for this point in the year (2.3 in).