Las Vegas Weather by Month
Las Vegas has a very dry desert climate and large day–night temperature swings. Extreme heat from June into September is the main weather constraint for outdoor plans.

January typically falls in a winter pattern. Compare temperature, rainfall and recent-year weather below before choosing your dates.
February weatherLate winterFebruary typically falls in a late winter pattern. Compare temperature, rainfall and recent-year weather below before choosing your dates.
March weatherSpringMarch typically falls in a spring pattern. Compare temperature, rainfall and recent-year weather below before choosing your dates.
April weatherWarm springApril typically falls in a warm spring pattern. Compare temperature, rainfall and recent-year weather below before choosing your dates.
May weatherEarly summer · DryMay is generally on the drier side, which can make outdoor plans easier. Still compare temperature and rainfall averages below.
June weatherHeat wave risk · DryJune can bring intense daytime heat. Plan shade, hydration and indoor breaks, especially around midday.
July weatherExtreme heat · DryJuly can bring intense daytime heat. Plan shade, hydration and indoor breaks, especially around midday.
August weatherExtreme heat · DryAugust can bring intense daytime heat. Plan shade, hydration and indoor breaks, especially around midday.
September weatherHot early autumnSeptember typically falls in a hot early autumn pattern. Compare temperature, rainfall and recent-year weather below before choosing your dates.
October weatherAutumnOctober typically falls in a autumn pattern. Compare temperature, rainfall and recent-year weather below before choosing your dates.
November weatherLate autumnNovember typically falls in a late autumn pattern. Compare temperature, rainfall and recent-year weather below before choosing your dates.
December weatherWinterDecember typically falls in a winter pattern. Compare temperature, rainfall and recent-year weather below before choosing your dates.