NV · climate averages

Las Vegas Weather by Month

These are climate averages, not a forecast. Station Harry Reid Intl Airport (USW00023169), 14.4 miles from downtown, elevation 2131 ft.

Las Vegas's warmest month is July (avg high 104.5°F), coldest is December (avg low 39.6°F) and wettest is February (0.80 in), per NOAA 1991–2020 climate normals.

  • Warmest high July 104.5°F
  • Coldest low December 39.6°F
  • Wettest month February 0.80 in
  • Year of rain 12 months 4.18 in

Monthly Averages

Las Vegas's 12 monthly precipitation normals add up to 4.18 inches a year.

June is the driest month, with a precipitation normal of 0.04 inches.

December is the only month with a snowfall normal above 0.1 inch, at 0.2 inches.

Las Vegas averages 25.8 days a year with at least 0.01 inch of precipitation.

Monthly climate normals for Las Vegas, NOAA 1991–2020, station USW00023169
Month Avg high Avg low Precipitation Days ≥ 0.01 inSnow
Las Vegas weather in January 58.5°F 40.5°F 0.56 in 3.10.0 in
Las Vegas weather in February 62.9°F 44.1°F 0.80 in 4.10.0 in
Las Vegas weather in March 71.1°F 50.5°F 0.42 in 2.80.0 in
Las Vegas weather in April 78.5°F 56.9°F 0.20 in 1.60.0 in
Las Vegas weather in May 88.5°F 66.1°F 0.07 in 1.10.0 in
Las Vegas weather in June 99.4°F 75.8°F 0.04 in 0.40.0 in
Las Vegas weather in July 104.5°F 82.0°F 0.38 in 2.50.0 in
Las Vegas weather in August 102.8°F 80.6°F 0.32 in 2.20.0 in
Las Vegas weather in September 94.9°F 72.4°F 0.32 in 1.80.0 in
Las Vegas weather in October 81.2°F 59.6°F 0.32 in 1.70.0 in
Las Vegas weather in November 67.1°F 47.3°F 0.30 in 1.50.0 in
Las Vegas weather in December 56.9°F 39.6°F 0.45 in 3.00.2 in

Warmest, Coldest and Wettest Months

The warmest month is July, with an average high of 104.5°F.

The coldest month is December, with an average low of 39.6°F.

The wettest month is February, at 0.80 inches of precipitation over about 4.1 days.

In Las Vegas, four months (June, July, August and September) have an average high of at least 90°F.

The range from the lowest average low to the highest average high in Las Vegas is 64.9°F.

In July, the average high in Las Vegas is 22.5°F above the average low.

Advertisement

Best Months to Visit Las Vegas for Weather

April, October and November meet the weather rule on this page: an average high from 65 to 85°F and precipitation below 0.35 inches.

The rule keeps a month when the average high is from 65 to 85°F and precipitation is below 0.35 inches, the mean of the twelve monthly precipitation normals.

Las Vegas Weather by Month

About This Data

Source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991–2020. Station: Harry Reid Intl Airport (NOAA station: LAS VEGAS MCCARRAN AP) (USW00023169), 14.4 mi from downtown, elevation 2131 ft. Climate normals are 30-year averages, not forecasts. MonthSky is not affiliated with NOAA.

These pages are built automatically from public NOAA data.

U.S. Monthly Climate Normals (1991-2020) dataset

NCEI dataset landing page for the monthly normals

NCEI U.S. Climate Normals product page

How these numbers are computed

FAQ

What is the hottest month in Las Vegas?

July is the warmest, with an average high of 104.5°F.

What is the wettest month in Las Vegas?

February is the wettest, at 0.80 inches over about 4.1 days.

How many rainy days does Las Vegas get a year?

The monthly counts of days with at least 0.01 inch of precipitation add up to 25.8 days.

When is the best time to visit Las Vegas for weather?

April, October and November meet the rule used on this page: average high from 65 to 85°F and precipitation below the monthly mean of 0.35 inches.

Advertisement