2025 Compare Climate & Weather:
Pottstown, PA vs Westborough, MA

Highlights

On average, there are 197 sunny days per year in Westborough. Pottstown averages 209 sunny days per year. The US average is 205 sunny days.

Westborough, Massachusetts gets 49.1 inches of rain, on average, per year. Pottstown, Pennsylvania gets 46.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Westborough averages 44.6 inches of snow per year. Pottstown averages 16.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Westborough, Massachusetts
Summer High: the July high is around 83.2 degrees
Winter Low: the January low is 15
Rain: averages 49.1 inches of rain a year
Snow: averages 44.6 inches of snow a year

Pottstown, Pennsylvania
Summer High: the July high is around 85.7 degrees
Winter Low: the January low is 22.8
Rain: averages 46.9 inches of rain a year
Snow: averages 16.8 inches of snow a year

BestPlaces Comfort Index

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

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

Today's Weather - Pottstown, PA

45°F

Today's Weather - Westborough, MA

50°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Pottstown / Westborough

July is the hottest month for Pottstown with an average high temperature of 85.7°, which ranks it as one of the hottest places in Pennsylvania. In Pottstown, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Pottstown are September, June and May.

July is the hottest month for Westborough with an average high temperature of 83.2°, which ranks it as one of the hottest places in Massachusetts. In Westborough, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Westborough are June, September and August.

January has the coldest nighttime temperatures for Pottstown with an average of 22.8°. This is one of the warmest places in Pennsylvania.

January has the coldest nighttime temperatures for Westborough with an average of 15.0°. This is colder than most places in Massachusetts.

In Pottstown, there are 20.9 days annually when the high temperature is over 90°, which is one of the hottest places in Pennsylvania.

In Westborough, there are 11.6 days annually when the high temperature is over 90°, which is one of the hottest places in Massachusetts.

In Pottstown, there are 103.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Pennsylvania.

In Westborough, there are 145.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Massachusetts.

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

In Westborough, there are 5.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Massachusetts.

July is the wettest month in Pottstown with 4.8 inches of rain, and the driest month is February with 2.7 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 46.9 inches in Pottstown means that it is wetter than most places in Pennsylvania.


March is the wettest month in Westborough with 4.6 inches of rain, and the driest month is February with 3.5 inches. The wettest season is Summer with 26% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 49.1 inches in Westborough means that it is wetter than most places in Massachusetts.

May is the rainiest month in Pottstown with 11.8 days of rain, and February is the driest month with only 8.0 rainy days. There are 117.1 rainy days annually in Pottstown, 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 Spring with only a 23% chance of a rainy day.

May is the rainiest month in Westborough with 11.5 days of rain, and September is the driest month with only 8.5 rainy days. There are 116.7 rainy days annually in Westborough, which is less rainy than most places in Massachusetts. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 24% chance of a rainy day.

An annual snowfall of 16.8 inches in Pottstown means that it is one of the least snowy places in Pennsylvania.

An annual snowfall of 44.6 inches in Westborough means that it is snowier than most places in Massachusetts.

February is the snowiest month in Pottstown with 6.2 inches of snow, and 5 months of the year have significant snowfall.

January is the snowiest month in Westborough with 13.4 inches of snow, and 6 months of the year have significant snowfall.