2025 Compare Climate & Weather:
Allentown, PA vs Conshohocken, PA

Highlights

On average, there are 208 sunny days per year in Conshohocken. Allentown averages 201 sunny days per year. The US average is 205 sunny days.

Conshohocken, Pennsylvania gets 47 inches of rain, on average, per year. Allentown, Pennsylvania gets 46.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Conshohocken averages 16.8 inches of snow per year. Allentown averages 29.2 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Conshohocken, Pennsylvania
Summer High: the July high is around 87.2 degrees
Winter Low: the January low is 21.2
Rain: averages 47 inches of rain a year
Snow: averages 16.8 inches of snow a year

Allentown, Pennsylvania
Summer High: the July high is around 85.9 degrees
Winter Low: the January low is 19.8
Rain: averages 46.6 inches of rain a year
Snow: averages 29.2 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Allentown is 7.1 (10=best), which means it is more comfortable than most places in Pennsylvania.

Today's Weather - Allentown, PA

64°F

Today's Weather - Conshohocken, PA

64°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Allentown / Conshohocken

July is the hottest month for Allentown with an average high temperature of 85.9°, which ranks it as one of the hottest places in Pennsylvania. In Allentown, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Allentown are September, June and May.

July is the hottest month for Conshohocken with an average high temperature of 87.2°, which ranks it as one of the hottest places in Pennsylvania. In Conshohocken, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Conshohocken are September, May and June.

January has the coldest nighttime temperatures for Allentown with an average of 19.8°. This is about average compared to other places in Pennsylvania.

January has the coldest nighttime temperatures for Conshohocken with an average of 21.2°. This is warmer than most places in Pennsylvania.

In Allentown, there are 22.0 days annually when the high temperature is over 90°, which is one of the hottest places in Pennsylvania.

In Conshohocken, there are 25.2 days annually when the high temperature is over 90°, which is one of the hottest places in Pennsylvania.

In Allentown, there are 121.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Pennsylvania.

In Conshohocken, there are 115.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Pennsylvania.

In Allentown, there are 1.9 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Pennsylvania.

In Conshohocken, there are 1.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Pennsylvania.

July is the wettest month in Allentown with 4.9 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Autumn with 28% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 46.6 inches in Allentown means that it is wetter than most places in Pennsylvania.


September is the wettest month in Conshohocken with 4.6 inches of rain, and the driest month is February with 2.9 inches. The wettest season is Autumn with 27% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 47.0 inches in Conshohocken means that it is wetter than most places in Pennsylvania.

May is the rainiest month in Allentown with 12.1 days of rain, and September is the driest month with only 8.9 rainy days. There are 122.0 rainy days annually in Allentown, 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.

April is the rainiest month in Conshohocken with 11.5 days of rain, and September is the driest month with only 8.0 rainy days. There are 113.3 rainy days annually in Conshohocken, which is one of the least rainy places in Pennsylvania. The rainiest season is Summer when it rains 29% of the time and the driest is Winter with only a 22% chance of a rainy day.

An annual snowfall of 29.2 inches in Allentown means that it is about average compared to other places in Pennsylvania.

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

February is the snowiest month in Allentown with 9.8 inches of snow, and 6 months of the year have significant snowfall.

February is the snowiest month in Conshohocken with 6.9 inches of snow, and 4 months of the year have significant snowfall.