2025 Compare Climate & Weather:
Las Vegas, NV vs St. Robert, MO

Highlights

On average, there are 196 sunny days per year in St. Robert. Las Vegas averages 294 sunny days per year. The US average is 205 sunny days.

St. Robert, Missouri gets 46.6 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.

St. Robert averages 15.4 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

St. Robert, Missouri
Summer High: the July high is around 87.3 degrees
Winter Low: the January low is 19.9
Rain: averages 46.6 inches of rain a year
Snow: averages 15.4 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 St. Robert is 7.2 (10=best), which means it is more comfortable than most places in Missouri.

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

84°F

Today's Weather - St. Robert, MO

60°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Las Vegas / St. Robert

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 St. Robert with an average high temperature of 87.3°, which ranks it as cooler than most places in Missouri. In St. Robert, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for St. Robert are September, May and June.

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 St. Robert with an average of 19.9°. This is about average compared to other places in Missouri.

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 St. Robert, there are 25.8 days annually when the high temperature is over 90°, which is cooler than most places in Missouri.

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 St. Robert, there are 110.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Missouri.

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 St. Robert, there are 3.1 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Missouri.

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 St. Robert with 5.3 inches of rain, and the driest month is February with 2.5 inches. The wettest season is Summer with 29% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 46.6 inches in St. Robert means that it is wetter than most places in Missouri.

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 St. Robert with 11.2 days of rain, and January is the driest month with only 7.0 rainy days. There are 102.0 rainy days annually in St. Robert, which is rainier than most places in Missouri. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 22% 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 15.4 inches in St. Robert means that it is snowier than most places in Missouri.

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

January is the snowiest month in St. Robert with 4.9 inches of snow, and 5 months of the year have significant snowfall.