2025 Compare Climate & Weather:
Mount Charleston, NV vs Las Vegas, NV

Highlights

On average, there are 294 sunny days per year in Las Vegas. Mount Charleston averages 292 sunny days per year. The US average is 205 sunny days.

Las Vegas, Nevada gets 5 inches of rain, on average, per year. Mount Charleston, Nevada gets 7.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Las Vegas averages 0.3 inches of snow per year. Mount Charleston averages 2.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Las Vegas, Nevada
Summer High: the July high is around 103.8 degrees
Winter Low: the January low is 37.1
Rain: averages 5 inches of rain a year
Snow: averages 0.3 inches of snow a year

Mount Charleston, Nevada
Summer High: the July high is around 99.2 degrees
Winter Low: the January low is 31
Rain: averages 7.1 inches of rain a year
Snow: averages 2.3 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Las Vegas is 7.4 (10=best), which means it is more comfortable than most places in Nevada.

The annual BestPlaces Comfort Index for Mount Charleston is 7.8 (10=best), which means it is one of the most pleasant places in Nevada.

Today's Weather - Mount Charleston, NV

68°F

Today's Weather - Las Vegas, NV

91°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Mount Charleston / Las Vegas

July is the hottest month for Mount Charleston with an average high temperature of 99.2°, which ranks it as warmer than most places in Nevada. In Mount Charleston, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mount Charleston are October, April and May.

July is the hottest month for Las Vegas with an average high temperature of 103.8°, which ranks it as warmer than most places in Nevada. In Las Vegas, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Las Vegas are April, October and March.

December has the coldest nighttime temperatures for Mount Charleston with an average of 30.7°. This is warmer than most places in Nevada.

December has the coldest nighttime temperatures for Las Vegas with an average of 36.6°. This is one of the warmest places in Nevada.

In Mount Charleston, there are 104.9 days annually when the high temperature is over 90°, which is hotter than most places in Nevada.

In Las Vegas, there are 129.0 days annually when the high temperature is over 90°, which is hotter than most places in Nevada.

In Mount Charleston, there are 56.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Nevada.

In Las Vegas, there are 16.0 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Nevada.

In Mount Charleston, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Nevada.

In Las Vegas, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Nevada.

February is the wettest month in Mount Charleston with 1.2 inches of rain, and the driest month is June with 0.1 inches. The wettest season is Spring with 41% of yearly precipitation and 19% occurs in Autumn, which is the driest season. The annual rainfall of 7.1 inches in Mount Charleston means that it is drier than most places in Nevada.


February is the wettest month in Las Vegas with 0.8 inches of rain, and the driest month is May with 0.1 inches. The wettest season is Spring with 40% of yearly precipitation and 17% occurs in Summer, which is the driest season. The annual rainfall of 5.0 inches in Las Vegas means that it is drier than most places in Nevada.

February is the rainiest month in Mount Charleston with 4.6 days of rain, and June is the driest month with only 0.8 rainy days. There are 29.6 rainy days annually in Mount Charleston, which is less rainy than most places in Nevada. The rainiest season is Spring when it rains 37% of the time and the driest is Autumn with only a 19% chance of a rainy day.

February is the rainiest month in Las Vegas with 4.6 days of rain, and June is the driest month with only 0.6 rainy days. There are 26.1 rainy days annually in Las Vegas, which is one of the least rainy places in Nevada. The rainiest season is Spring when it rains 40% of the time and the driest is Winter with only a 20% chance of a rainy day.

An annual snowfall of 2.3 inches in Mount Charleston means that it is less snowy than most places in Nevada.

An annual snowfall of 0.3 inches in Las Vegas means that it is less snowy than most places in Nevada.

January is the snowiest month in Mount Charleston with 0.9 inches of snow, and 3 months of the year have significant snowfall.

December is the snowiest month in Las Vegas with 0.2 inches of snow, and no months of the year have significant snowfall.