2025 Compare Climate & Weather:
McAllen, TX vs Las Vegas, NV

Highlights

On average, there are 294 sunny days per year in Las Vegas. McAllen averages 223 sunny days per year. The US average is 205 sunny days.

Las Vegas, Nevada gets 5 inches of rain, on average, per year. McAllen, Texas gets 21.8 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. McAllen 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

McAllen, Texas
Summer High: the July high is around 96.6 degrees
Winter Low: the January low is 49.4
Rain: averages 21.8 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 McAllen is 6.2 (10=best), which means it is one of the least comfortable places in Texas.

Today's Weather - McAllen, TX

77°F

Today's Weather - Las Vegas, NV

71°F

Average Monthly High / Low (°F)

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

August is the hottest month for McAllen with an average high temperature of 97.5°, which ranks it as warmer than most places in Texas. In McAllen, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for McAllen are November, March and February.

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.

January has the coldest nighttime temperatures for McAllen with an average of 49.4°. This is one of the warmest places in Texas.

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 McAllen, there are 152.4 days annually when the high temperature is over 90°, which is one of the hottest places in Texas.

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 McAllen, there are 1.3 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Texas.

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

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.

September is the wettest month in McAllen with 4.0 inches of rain, and the driest month is March with 1.0 inches. The wettest season is Winter with 33% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 21.8 inches in McAllen means that it is drier than most places in Texas.


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 rainiest month in McAllen with 6.5 days of rain, and March is the driest month with only 3.5 rainy days. There are 58.0 rainy days annually in McAllen, which is less rainy than most places in Texas. The rainiest season is Spring when it rains 29% of the time and the driest is Summer with only a 21% 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 McAllen, ranking it as one of the least snowy places in Texas.

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 McAllen.

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