2025 Compare Climate & Weather:
Kapolei, HI vs Las Vegas, NV

Highlights

On average, there are 294 sunny days per year in Las Vegas. Kapolei averages 271 sunny days per year. The US average is 205 sunny days.

Las Vegas, Nevada gets 5 inches of rain, on average, per year. Kapolei, Hawaii gets 17.3 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. Kapolei averages 0 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

Kapolei, Hawaii
Summer High: the July high is around 87.9 degrees
Winter Low: the January low is 64.8
Rain: averages 17.3 inches of rain a year
Snow: averages 0 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 Kapolei is 8.8 (10=best), which means it is more comfortable than most places in Hawaii.

Today's Weather - Kapolei, HI

83°F

Today's Weather - Las Vegas, NV

91°F

Average Monthly High / Low (°F)

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

August is the hottest month for Kapolei with an average high temperature of 88.2°, which ranks it as one of the hottest places in Hawaii. In Kapolei, there are 7 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Kapolei are February, January and March.

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.

February has the coldest nighttime temperatures for Kapolei with an average of 64.4°. This is warmer than most places in Hawaii.

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 Kapolei, there are 29.6 days annually when the high temperature is over 90°, which is one of the hottest places in Hawaii.

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 Kapolei, there are 0.0 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Hawaii.

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

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.

December is the wettest month in Kapolei with 3.2 inches of rain, and the driest month is June with 0.4 inches. The wettest season is Spring with 43% of yearly precipitation and 9% occurs in Autumn, which is the driest season. The annual rainfall of 17.3 inches in Kapolei means that it is drier than most places in Hawaii.


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.

December is the rainiest month in Kapolei with 8.4 days of rain, and June is the driest month with only 4.0 rainy days. There are 74.4 rainy days annually in Kapolei, which is less rainy than most places in Hawaii. The rainiest season is Spring when it rains 32% of the time and the driest is Autumn with only a 17% 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.

There is rarely any recorded snowfall in Kapolei, ranking it as one of the least snowy places in Hawaii.

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

Any measurable snowfall is a rare occurance in Kapolei.

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