Las Vegas, NV – The desert cool has arrived in full as crisp, clear skies blanket the Las Vegas Valley this first week of December. The air feels sharp before sunrise, and by dawn, temperatures hover near 40°F, leaving car windows fogged and lawns coated with light dew.
According to the National Weather Service in Las Vegas, this pattern of sunny days and cold nights will dominate through Friday, with daytime highs near 60°F and evening lows holding steady around 40°F. Northeast winds may pick up briefly by midweek but will stay light overall, keeping the air calm and skies bright.
Travelers returning after Thanksgiving will find ideal conditions along I-15 and U.S. 95, though mornings remain brisk. Those heading out early should dress in layers—temperatures can feel closer to the mid-30s before sunrise. Clear skies and low humidity also mean quick heat loss after sunset, a reminder that the desert’s winter chill comes fast once the sun dips behind the Spring Mountains.
Looking ahead, Wednesday and Friday will be the warmest days, reaching the low 60s, before a brief cool-down Thursday with highs around 58°F. The upcoming weekend looks sunny and mild, perfect for outdoor decorating or early holiday errands.
While much of the country braces for snow and ice, southern Nevada’s start to December offers a rare calm in winter’s storm cycle.
