2025 Compare Climate & Weather:
Las Vegas, NV vs Gillette, WY

Highlights

On average, there are 209 sunny days per year in Gillette. Las Vegas averages 294 sunny days per year. The US average is 205 sunny days.

Gillette, Wyoming gets 15.4 inches of rain, on average, per year. Las Vegas, Nevada gets 5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Gillette averages 52.6 inches of snow per year. Las Vegas averages 0.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Gillette, Wyoming
Summer High: the July high is around 86.8 degrees
Winter Low: the January low is 12.9
Rain: averages 15.4 inches of rain a year
Snow: averages 52.6 inches of snow a year

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

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Gillette is 6.8 (10=best), which means it is more comfortable than most places in Wyoming.

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

Today's Weather - Las Vegas, NV

94°F

Today's Weather - Gillette, WY

68°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Las Vegas / Gillette

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.

July is the hottest month for Gillette with an average high temperature of 86.8°, which ranks it as warmer than most places in Wyoming. In Gillette, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Gillette are June, September and August.

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

December has the coldest nighttime temperatures for Gillette with an average of 12.1°. This is warmer than most places in Wyoming.

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 Gillette, there are 28.1 days annually when the high temperature is over 90°, which is hotter than most places in Wyoming.

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 Gillette, there are 178.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Wyoming.

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.

In Gillette, there are 16.9 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Wyoming.

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.


May is the wettest month in Gillette with 2.8 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Summer with 36% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 15.4 inches in Gillette means that it is wetter than most places in Wyoming.

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.

May is the rainiest month in Gillette with 9.8 days of rain, and January is the driest month with only 5.1 rainy days. There are 80.3 rainy days annually in Gillette, which is rainier than most places in Wyoming. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 20% chance of a rainy day.

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

An annual snowfall of 52.6 inches in Gillette means that it is about average compared to other places in Wyoming.

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

March is the snowiest month in Gillette with 10.0 inches of snow, and 9 months of the year have significant snowfall.