2025 Compare Climate & Weather:
Hacienda Heights, CA vs Summerlin South, NV

Highlights

On average, there are 292 sunny days per year in Summerlin South. Hacienda Heights averages 278 sunny days per year. The US average is 205 sunny days.

Summerlin South, Nevada gets 5.1 inches of rain, on average, per year. Hacienda Heights, California gets 15.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Summerlin South averages 1.1 inches of snow per year. Hacienda Heights averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

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

Hacienda Heights, California
Summer High: the July high is around 86.6 degrees
Winter Low: the January low is 45.8
Rain: averages 15.7 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Hacienda Heights is 9.2 (10=best), which means it is one of the most pleasant places in California.

Today's Weather - Hacienda Heights, CA

55°F

Today's Weather - Summerlin South, NV

55°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Hacienda Heights / Summerlin South

August is the hottest month for Hacienda Heights with an average high temperature of 88.4°, which ranks it as about average compared to other places in California. In Hacienda Heights, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Hacienda Heights are May, April and October.

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.

December has the coldest nighttime temperatures for Hacienda Heights with an average of 45.1°. This is one of the warmest places in California.

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

In Hacienda Heights, there are 42.6 days annually when the high temperature is over 90°, which is about average compared to other places in California.

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 Hacienda Heights, there are 0.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in California.

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

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.

February is the wettest month in Hacienda Heights with 3.9 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 61% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 15.7 inches in Hacienda Heights means that it is drier than most places in California.


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.

February is the rainiest month in Hacienda Heights with 6.1 days of rain, and June is the driest month with only 0.4 rainy days. There are 32.7 rainy days annually in Hacienda Heights, which is less rainy than most places in California. The rainiest season is Spring when it rains 50% of the time and the driest is Autumn with only a 4% chance of a rainy day.

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.

There is rarely any recorded snowfall in Hacienda Heights, ranking it as one of the least snowy places in California.

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

Any measurable snowfall is a rare occurance in Hacienda Heights.

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