2025 Compare Climate & Weather:
Mechanicsburg, PA vs Summerlin South, NV

Highlights

On average, there are 292 sunny days per year in Summerlin South. Mechanicsburg averages 195 sunny days per year. The US average is 205 sunny days.

Summerlin South, Nevada gets 5.1 inches of rain, on average, per year. Mechanicsburg, Pennsylvania gets 42.7 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. Mechanicsburg averages 25.8 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

Mechanicsburg, Pennsylvania
Summer High: the July high is around 85.4 degrees
Winter Low: the January low is 21.8
Rain: averages 42.7 inches of rain a year
Snow: averages 25.8 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 Mechanicsburg is 7.1 (10=best), which means it is more comfortable than most places in Pennsylvania.

Today's Weather - Mechanicsburg, PA

64°F

Today's Weather - Summerlin South, NV

68°F

Average Monthly High / Low (°F)

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

July is the hottest month for Mechanicsburg with an average high temperature of 85.4°, which ranks it as warmer than most places in Pennsylvania. In Mechanicsburg, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mechanicsburg are September, June and August.

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.

January has the coldest nighttime temperatures for Mechanicsburg with an average of 21.8°. This is one of the warmest places in Pennsylvania.

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

In Mechanicsburg, there are 12.9 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

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 Mechanicsburg, there are 111.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Pennsylvania.

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 Mechanicsburg, there are 0.4 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Pennsylvania.

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.

September is the wettest month in Mechanicsburg with 4.2 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Autumn with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 42.7 inches in Mechanicsburg means that it is about average compared to other places in Pennsylvania.


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.

May is the rainiest month in Mechanicsburg with 12.6 days of rain, and September is the driest month with only 9.0 rainy days. There are 122.8 rainy days annually in Mechanicsburg, which is less rainy than most places in Pennsylvania. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% 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.

An annual snowfall of 25.8 inches in Mechanicsburg means that it is less snowy than most places in Pennsylvania.

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

February is the snowiest month in Mechanicsburg with 8.3 inches of snow, and 6 months of the year have significant snowfall.

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