2025 Compare Climate & Weather:
Las Vegas, NV vs Key West, FL

Highlights

On average, there are 260 sunny days per year in Key West. Las Vegas averages 294 sunny days per year. The US average is 205 sunny days.

Key West, Florida gets 43.8 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.

Key West averages 0 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

Key West, Florida
Summer High: the July high is around 89.4 degrees
Winter Low: the January low is 63.6
Rain: averages 43.8 inches of rain a year
Snow: averages 0 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 Key West is 6.1 (10=best), which means it is one of the least comfortable places in Florida.

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

81°F

Today's Weather - Key West, FL

79°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Las Vegas / Key West

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.

August is the hottest month for Key West with an average high temperature of 89.6°, which ranks it as one of the coolest places in Florida. In Key West, there are 7 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Key West are March, February and December.

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

January has the coldest nighttime temperatures for Key West with an average of 63.6°. This is one of the warmest places in Florida.

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 Key West, there are 37.7 days annually when the high temperature is over 90°, which is one of the coolest places in Florida.

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 Key West, there are 0.0 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Florida.

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 Key West, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Florida.

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.


September is the wettest month in Key West with 7.5 inches of rain, and the driest month is February with 1.8 inches. The wettest season is Autumn with 35% of yearly precipitation and 14% occurs in Spring, which is the driest season. The annual rainfall of 43.8 inches in Key West means that it is one of the driest places in Florida.

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.

September is the rainiest month in Key West with 15.3 days of rain, and April is the driest month with only 4.4 rainy days. There are 102.0 rainy days annually in Key West, which is one of the least rainy places in Florida. The rainiest season is Autumn when it rains 35% of the time and the driest is Summer with only a 16% 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.

There is rarely any recorded snowfall in Key West, ranking it as one of the least snowy places in Florida.

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

Any measurable snowfall is a rare occurance in Key West.