2025 Compare Climate & Weather:
Rock Hill, SC vs West Wyoming, PA

Highlights

On average, there are 177 sunny days per year in West Wyoming. Rock Hill averages 212 sunny days per year. The US average is 205 sunny days.

West Wyoming, Pennsylvania gets 41.4 inches of rain, on average, per year. Rock Hill, South Carolina gets 43.8 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

West Wyoming averages 37.3 inches of snow per year. Rock Hill averages 2.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

West Wyoming, Pennsylvania
Summer High: the July high is around 81.9 degrees
Winter Low: the January low is 16.5
Rain: averages 41.4 inches of rain a year
Snow: averages 37.3 inches of snow a year

Rock Hill, South Carolina
Summer High: the July high is around 90.8 degrees
Winter Low: the January low is 30.5
Rain: averages 43.8 inches of rain a year
Snow: averages 2.6 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for West Wyoming is 6.9 (10=best), which means it is about average compared to other places in Pennsylvania.

The annual BestPlaces Comfort Index for Rock Hill is 7.5 (10=best), which means it is one of the most pleasant places in South Carolina.

Today's Weather - Rock Hill, SC

58°F

Today's Weather - West Wyoming, PA

57°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Rock Hill / West Wyoming

July is the hottest month for Rock Hill with an average high temperature of 90.8°, which ranks it as cooler than most places in South Carolina. In Rock Hill, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rock Hill are May, April and September.

July is the hottest month for West Wyoming with an average high temperature of 81.9°, which ranks it as cooler than most places in Pennsylvania. In West Wyoming, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for West Wyoming are June, August and July.

January has the coldest nighttime temperatures for Rock Hill with an average of 30.5°. This is colder than most places in South Carolina.

January has the coldest nighttime temperatures for West Wyoming with an average of 16.5°. This is colder than most places in Pennsylvania.

In Rock Hill, there are 49.5 days annually when the high temperature is over 90°, which is cooler than most places in South Carolina.

In West Wyoming, there are 6.7 days annually when the high temperature is over 90°, which is cooler than most places in Pennsylvania.

In Rock Hill, there are 59.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in South Carolina.

In West Wyoming, there are 135.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Pennsylvania.

In Rock Hill, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in South Carolina.

In West Wyoming, there are 4.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Pennsylvania.

August is the wettest month in Rock Hill with 4.2 inches of rain, and the driest month is May with 3.0 inches. The wettest season is Autumn with 28% of yearly precipitation and 24% occurs in Summer, which is the driest season. The annual rainfall of 43.8 inches in Rock Hill means that it is one of the driest places in South Carolina.


September is the wettest month in West Wyoming with 4.2 inches of rain, and the driest month is February with 2.2 inches. The wettest season is Autumn with 30% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 41.4 inches in West Wyoming means that it is drier than most places in Pennsylvania.

March is the rainiest month in Rock Hill with 9.1 days of rain, and September is the driest month with only 6.3 rainy days. There are 99.3 rainy days annually in Rock Hill, which is less rainy than most places in South Carolina. The rainiest season is Autumn when it rains 27% of the time and the driest is Winter with only a 21% chance of a rainy day.

May is the rainiest month in West Wyoming with 12.3 days of rain, and February is the driest month with only 9.4 rainy days. There are 128.7 rainy days annually in West Wyoming, which is about average compared to other places in Pennsylvania. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 23% chance of a rainy day.

An annual snowfall of 2.6 inches in Rock Hill means that it is one of the snowiest places in South Carolina.

An annual snowfall of 37.3 inches in West Wyoming means that it is snowier than most places in Pennsylvania.

January is the snowiest month in Rock Hill with 1.1 inches of snow, and 2 months of the year have significant snowfall.

January is the snowiest month in West Wyoming with 12.8 inches of snow, and 6 months of the year have significant snowfall.