2025 Compare Climate & Weather:
Norristown, PA vs Johnstown, PA

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Highlights

On average, there are 166 sunny days per year in Johnstown. Norristown averages 209 sunny days per year. The US average is 205 sunny days.

Johnstown, Pennsylvania gets 44.5 inches of rain, on average, per year. Norristown, Pennsylvania gets 46.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Johnstown averages 50.9 inches of snow per year. Norristown averages 16.7 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Johnstown, Pennsylvania
Summer High: the July high is around 84.2 degrees
Winter Low: the January low is 18.6
Rain: averages 44.5 inches of rain a year
Snow: averages 50.9 inches of snow a year

Norristown, Pennsylvania
Summer High: the July high is around 87.2 degrees
Winter Low: the January low is 21.2
Rain: averages 46.9 inches of rain a year
Snow: averages 16.7 inches of snow a year

BestPlaces Comfort Index

Johnstown

The annual BestPlaces Comfort Index for Johnstown is 6.8 (10=best), which means it is less comfortable than most places in Pennsylvania.

6.8 / 10

August, July and June are the most pleasant months in Johnstown, while January and February are the least comfortable months.

Norristown

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

7.2 / 10

September, June and May are the most pleasant months in Norristown, while January and February are the least comfortable months.

Average Monthly High / Low (°F)

Month	Norristown, PA	Johnstown, PA
January	40° / 21°	37° / 19°
February	43° / 23°	41° / 21°
March	52° / 31°	50° / 27°
April	65° / 40°	63° / 37°
May	75° / 50°	73° / 46°
June	83° / 60°	81° / 55°
July	87° / 64°	84° / 59°
August	85° / 63°	83° / 58°
September	78° / 55°	76° / 51°
October	67° / 43°	65° / 40°
November	56° / 34°	53° / 32°
December	44° / 26°	41° / 23°

Hot, Freezing, Rainy, Snowy Days: Norristown / Johnstown

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	27 / 27	10 / 15	2 / 8
February	0 / 0	24 / 24	8 / 12	2 / 7
March	0 / 0	18 / 21	10 / 13	1 / 4
April	0 / 0	5 / 9	12 / 14	0 / 1
May	1 / 0	0 / 2	11 / 14	0 / 0
June	5 / 3	0 / 0	10 / 12	0 / 0
July	10 / 6	0 / 0	9 / 12	0 / 0
August	7 / 4	0 / 0	9 / 11	0 / 0
September	2 / 1	0 / 0	8 / 11	0 / 0
October	0 / 0	3 / 7	8 / 11	0 / 0
November	0 / 0	13 / 16	9 / 13	0 / 2
December	0 / 0	24 / 25	10 / 14	1 / 6

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

July is the hottest month for Johnstown with an average high temperature of 84.2°, which ranks it as warmer than most places in Pennsylvania. In Johnstown, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Johnstown are September, June and August.

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

January has the coldest nighttime temperatures for Johnstown with an average of 18.6°. This is about average compared to other places in Pennsylvania.

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

In Johnstown, there are 13.3 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

In Norristown, there are 115.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Pennsylvania.

In Johnstown, there are 131.1 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Pennsylvania.

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

In Johnstown, there are 5.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Pennsylvania.

September is the wettest month in Norristown with 4.6 inches of rain, and the driest month is February with 2.9 inches. The wettest season is Autumn with 26% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 46.9 inches in Norristown means that it is wetter than most places in Pennsylvania.

May is the wettest month in Johnstown with 4.4 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 44.5 inches in Johnstown means that it is wetter than most places in Pennsylvania.

April is the rainiest month in Norristown with 11.5 days of rain, and September is the driest month with only 8.0 rainy days. There are 113.6 rainy days annually in Norristown, 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.

January is the rainiest month in Johnstown with 14.5 days of rain, and August is the driest month with only 10.5 rainy days. There are 149.6 rainy days annually in Johnstown, which is rainier than most places in Pennsylvania. The rainiest season is Spring 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 16.7 inches in Norristown means that it is one of the least snowy places in Pennsylvania.

An annual snowfall of 50.9 inches in Johnstown means that it is snowier than most places in Pennsylvania.

February is the snowiest month in Norristown with 7.4 inches of snow, and 4 months of the year have significant snowfall.

January is the snowiest month in Johnstown with 15.2 inches of snow, and 6 months of the year have significant snowfall.

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for Norristown 2 Reviews

Jill · Sherman Oaks, CA

re:

Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't More

| Reply

NC For Me · Apex, NC

re:

Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but More

| Reply

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Reviews for Johnstown 2 Reviews

Jill · Sherman Oaks, CA

re:

Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't More

| Reply

NC For Me · Apex, NC

re:

Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but More

| Reply

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2025 Compare Climate & Weather:
Norristown, PA vs Johnstown, PA

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Norristown / Johnstown

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

January has the coldest nighttime temperatures for Johnstown with an average of 18.6°. This is about average compared to other places in Pennsylvania.

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

In Johnstown, there are 13.3 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

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

In Johnstown, there are 5.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Pennsylvania.

An annual snowfall of 16.7 inches in Norristown means that it is one of the least snowy places in Pennsylvania.

An annual snowfall of 50.9 inches in Johnstown means that it is snowier than most places in Pennsylvania.

February is the snowiest month in Norristown with 7.4 inches of snow, and 4 months of the year have significant snowfall.

January is the snowiest month in Johnstown with 15.2 inches of snow, and 6 months of the year have significant snowfall.

DID YOU KNOW?

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Reviews for Johnstown 2 Reviews

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2025 Compare Climate & Weather:Norristown, PA vs Johnstown, PA

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Norristown / Johnstown

January has the coldest nighttime temperatures for Norristown with an average of 21.2°. This is warmer than most places in Pennsylvania.January has the coldest nighttime temperatures for Johnstown with an average of 18.6°. This is about average compared to other places in Pennsylvania.

In Norristown, there are 25.2 days annually when the high temperature is over 90°, which is one of the hottest places in Pennsylvania.In Johnstown, there are 13.3 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

In Norristown, there are 1.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Pennsylvania.In Johnstown, there are 5.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Pennsylvania.

An annual snowfall of 16.7 inches in Norristown means that it is one of the least snowy places in Pennsylvania.An annual snowfall of 50.9 inches in Johnstown means that it is snowier than most places in Pennsylvania.

February is the snowiest month in Norristown with 7.4 inches of snow, and 4 months of the year have significant snowfall.January is the snowiest month in Johnstown with 15.2 inches of snow, and 6 months of the year have significant snowfall.

DID YOU KNOW?

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Reviews for Johnstown 2 Reviews

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2025 Compare Climate & Weather:
Norristown, PA vs Johnstown, PA

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

January has the coldest nighttime temperatures for Johnstown with an average of 18.6°. This is about average compared to other places in Pennsylvania.

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

In Johnstown, there are 13.3 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

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

In Johnstown, there are 5.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Pennsylvania.

An annual snowfall of 16.7 inches in Norristown means that it is one of the least snowy places in Pennsylvania.

An annual snowfall of 50.9 inches in Johnstown means that it is snowier than most places in Pennsylvania.

February is the snowiest month in Norristown with 7.4 inches of snow, and 4 months of the year have significant snowfall.

January is the snowiest month in Johnstown with 15.2 inches of snow, and 6 months of the year have significant snowfall.