2025 Compare Climate & Weather:
Summerlin South, NV vs Catalina Foothills, AZ

Highlights

On average, there are 285 sunny days per year in Catalina Foothills. Summerlin South averages 292 sunny days per year. The US average is 205 sunny days.

Catalina Foothills, Arizona gets 13 inches of rain, on average, per year. Summerlin South, Nevada gets 5.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Catalina Foothills averages 0.4 inches of snow per year. Summerlin South averages 1.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Catalina Foothills, Arizona
Summer High: the July high is around 100.5 degrees
Winter Low: the January low is 36.6
Rain: averages 13 inches of rain a year
Snow: averages 0.4 inches of snow a year

Summerlin South, Nevada
Summer High: the July high is around 103.4 degrees
Winter Low: the January low is 35
Rain: averages 5.1 inches of rain a year
Snow: averages 1.1 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Catalina Foothills is 7.5 (10=best), which means it is about average compared to other places in Arizona.

The annual BestPlaces Comfort Index for Summerlin South is 7.5 (10=best), which means it is more comfortable than most places in Nevada.

Today's Weather - Summerlin South, NV

92°F

Today's Weather - Catalina Foothills, AZ

99°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Summerlin South / Catalina Foothills

July is the hottest month for Summerlin South with an average high temperature of 103.4°, which ranks it as warmer than most places in Nevada. In Summerlin South, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Summerlin South are April, October and March.

June is the hottest month for Catalina Foothills with an average high temperature of 100.7°, which ranks it as warmer than most places in Arizona. In Catalina Foothills, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Catalina Foothills are November, March and April.

December has the coldest nighttime temperatures for Summerlin South with an average of 34.7°. This is warmer than most places in Nevada.

December has the coldest nighttime temperatures for Catalina Foothills with an average of 35.5°. This is warmer than most places in Arizona.

In Summerlin South, there are 125.7 days annually when the high temperature is over 90°, which is hotter than most places in Nevada.

In Catalina Foothills, there are 149.4 days annually when the high temperature is over 90°, which is hotter than most places in Arizona.

In Summerlin South, there are 27.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Nevada.

In Catalina Foothills, there are 32.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Arizona.

In Summerlin South, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Nevada.

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

February is the wettest month in Summerlin South with 0.8 inches of rain, and the driest month is May with 0.1 inches. The wettest season is Spring with 37% of yearly precipitation and 20% occurs in Summer, which is the driest season. The annual rainfall of 5.1 inches in Summerlin South means that it is drier than most places in Nevada.


August is the wettest month in Catalina Foothills with 2.5 inches of rain, and the driest month is May with 0.2 inches. The wettest season is Autumn with 39% of yearly precipitation and 13% occurs in Summer, which is the driest season. The annual rainfall of 13.0 inches in Catalina Foothills means that it is wetter than most places in Arizona.

February is the rainiest month in Summerlin South with 4.4 days of rain, and June is the driest month with only 0.7 rainy days. There are 26.7 rainy days annually in Summerlin South, which is less rainy than most places in Nevada. The rainiest season is Spring when it rains 38% of the time and the driest is Winter with only a 20% chance of a rainy day.

August is the rainiest month in Catalina Foothills with 9.7 days of rain, and June is the driest month with only 1.4 rainy days. There are 52.0 rainy days annually in Catalina Foothills, which is about average compared to other places in Arizona. The rainiest season is Autumn when it rains 37% of the time and the driest is Summer with only a 15% chance of a rainy day.

An annual snowfall of 1.1 inches in Summerlin South means that it is less snowy than most places in Nevada.

An annual snowfall of 0.4 inches in Catalina Foothills means that it is about average compared to other places in Arizona.

December is the snowiest month in Summerlin South with 0.4 inches of snow, and no months of the year have significant snowfall.

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