2025 Compare Climate & Weather:
West Chester, PA vs Lewes, DE

Highlights

On average, there are 206 sunny days per year in Lewes. West Chester averages 206 sunny days per year. The US average is 205 sunny days.

Lewes, Delaware gets 45.9 inches of rain, on average, per year. West Chester, Pennsylvania gets 48.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Lewes averages 12.3 inches of snow per year. West Chester averages 22.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Lewes, Delaware
Summer High: the July high is around 86.8 degrees
Winter Low: the January low is 27.4
Rain: averages 45.9 inches of rain a year
Snow: averages 12.3 inches of snow a year

West Chester, Pennsylvania
Summer High: the July high is around 84.9 degrees
Winter Low: the January low is 21.4
Rain: averages 48.7 inches of rain a year
Snow: averages 22.1 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Lewes is 7.4 (10=best), which means it is one of the most pleasant places in Delaware.

The annual BestPlaces Comfort Index for West Chester is 7.2 (10=best), which means it is one of the most pleasant places in Pennsylvania.

Today's Weather - West Chester, PA

66°F

Today's Weather - Lewes, DE

68°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: West Chester / Lewes

July is the hottest month for West Chester with an average high temperature of 84.9°, which ranks it as warmer than most places in Pennsylvania. In West Chester, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for West Chester are September, June and August.

July is the hottest month for Lewes with an average high temperature of 86.8°, which ranks it as warmer than most places in Delaware. In Lewes, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lewes are September, May and June.

January has the coldest nighttime temperatures for West Chester with an average of 21.4°. This is warmer than most places in Pennsylvania.

January has the coldest nighttime temperatures for Lewes with an average of 27.4°. This is warmer than most places in Delaware.

In West Chester, there are 12.2 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

In Lewes, there are 22.8 days annually when the high temperature is over 90°, which is hotter than most places in Delaware.

In West Chester, there are 112.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Pennsylvania.

In Lewes, there are 76.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Delaware.

In West Chester, there are 0.7 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Pennsylvania.

In Lewes, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Delaware.

September is the wettest month in West Chester with 4.9 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Winter with 26% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 48.7 inches in West Chester means that it is one of the wettest places in Pennsylvania.


August is the wettest month in Lewes with 4.5 inches of rain, and the driest month is February with 3.0 inches. The wettest season is Autumn with 28% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 45.9 inches in Lewes means that it is one of the wettest places in Delaware.

April is the rainiest month in West Chester with 11.3 days of rain, and September is the driest month with only 8.7 rainy days. There are 119.7 rainy days annually in West Chester, 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.

May is the rainiest month in Lewes with 11.1 days of rain, and February is the driest month with only 9.4 rainy days. There are 122.7 rainy days annually in Lewes, which is one of the rainiest places in Delaware. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 24% chance of a rainy day.

An annual snowfall of 22.1 inches in West Chester means that it is less snowy than most places in Pennsylvania.

An annual snowfall of 12.3 inches in Lewes means that it is less snowy than most places in Delaware.

February is the snowiest month in West Chester with 8.4 inches of snow, and 6 months of the year have significant snowfall.

February is the snowiest month in Lewes with 5.5 inches of snow, and 4 months of the year have significant snowfall.