2025 Compare Climate & Weather:
Summerlin South, NV vs Henderson, NV

Highlights

On average, there are 297 sunny days per year in Henderson. Summerlin South averages 292 sunny days per year. The US average is 205 sunny days.

Henderson, Nevada gets 4.9 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.

Henderson averages 0.2 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

Henderson, Nevada
Summer High: the July high is around 104.2 degrees
Winter Low: the January low is 38
Rain: averages 4.9 inches of rain a year
Snow: averages 0.2 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 Henderson is 7.4 (10=best), which means it is more comfortable than most places in Nevada.

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

67°F

Today's Weather - Henderson, NV

71°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Summerlin South / Henderson

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.

July is the hottest month for Henderson with an average high temperature of 104.2°, which ranks it as one of the hottest places in Nevada. In Henderson, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Henderson are April, October and March.

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 Henderson with an average of 37.5°. This is one of the warmest places in Nevada.

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 Henderson, there are 131.6 days annually when the high temperature is over 90°, which is one of the hottest places in Nevada.

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 Henderson, there are 12.7 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Nevada.

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 Henderson, 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 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 wettest month in Henderson with 0.8 inches of rain, and the driest month is May with 0.1 inches. The wettest season is Spring with 39% of yearly precipitation and 16% occurs in Summer, which is the driest season. The annual rainfall of 4.9 inches in Henderson means that it is drier than most places in Nevada.

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.

February is the rainiest month in Henderson with 4.6 days of rain, and June is the driest month with only 0.6 rainy days. There are 26.7 rainy days annually in Henderson, which is less rainy than most places in Nevada. The rainiest season is Spring when it rains 39% of the time and the driest is Winter with only a 19% 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 0.2 inches in Henderson means that it is less snowy than most places in Nevada.

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 Henderson with 0.2 inches of snow, and no months of the year have significant snowfall.