The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Mount Vernon, WA vs Allentown, PA

2025 Compare Climate & Weather:
Mount Vernon, WA vs Allentown, PA

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Highlights

On average, there are 201 sunny days per year in Allentown. Mount Vernon averages 156 sunny days per year. The US average is 205 sunny days.

Allentown, Pennsylvania gets 46.6 inches of rain, on average, per year. Mount Vernon, Washington gets 38.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Allentown averages 29.2 inches of snow per year. Mount Vernon averages 5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

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

Mount Vernon, Washington
Summer High: the July high is around 72.8 degrees
Winter Low: the January low is 35.7
Rain: averages 38.1 inches of rain a year
Snow: averages 5 inches of snow a year

BestPlaces Comfort Index
Allentown

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

7.1 / 10
September, June and August are the most pleasant months in Allentown, while January and February are the least comfortable months.

Mount Vernon

The annual BestPlaces Comfort Index for Mount Vernon is 7.2 (10=best), which means it is more comfortable than most places in Washington.

7.2 / 10
August, July and September are the most pleasant months in Mount Vernon, while December and January are the least comfortable months.

Average Monthly High / Low (°F)
MonthMount Vernon, WAAllentown, PA
January47° / 36°38° / 20°
February50° / 36°42° / 22°
March54° / 39°51° / 29°
April58° / 42°63° / 39°
May64° / 47°73° / 48°
June68° / 51°82° / 58°
July73° / 53°86° / 63°
August74° / 53°84° / 61°
September69° / 49°77° / 53°
October60° / 43°65° / 41°
November51° / 39°54° / 33°
December46° / 35°42° / 24°
Hot, Freezing, Rainy, Snowy Days: Mount Vernon / Allentown
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 09 / 2719 / 111 / 5
February0 / 09 / 2415 / 91 / 4
March0 / 04 / 2018 / 100 / 2
April0 / 01 / 615 / 120 / 0
May0 / 10 / 113 / 120 / 0
June0 / 50 / 011 / 110 / 0
July0 / 90 / 06 / 110 / 0
August0 / 60 / 06 / 100 / 0
September0 / 10 / 09 / 90 / 0
October0 / 01 / 515 / 90 / 0
November0 / 05 / 1420 / 100 / 0
December0 / 011 / 2518 / 101 / 3
August is the hottest month for Mount Vernon with an average high temperature of 73.8°, which ranks it as cooler than most places in Washington. In Mount Vernon, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mount Vernon are August, July and September.

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.
December has the coldest nighttime temperatures for Mount Vernon with an average of 34.6°. This is warmer than most places in Washington.

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

In Mount Vernon, there are 0.2 days annually when the high temperature is over 90°, which is one of the coolest places in Washington.

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 Mount Vernon, there are 38.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Washington.

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 Mount Vernon, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Washington.

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.

November is the wettest month in Mount Vernon with 6.0 inches of rain, and the driest month is July with 1.3 inches. The wettest season is Spring with 31% of yearly precipitation and 13% occurs in Autumn, which is the driest season. The annual rainfall of 38.1 inches in Mount Vernon means that it is about average compared to other places in Washington.


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.

November is the rainiest month in Mount Vernon with 20.0 days of rain, and August is the driest month with only 5.6 rainy days. There are 165.0 rainy days annually in Mount Vernon, which is rainier than most places in Washington. The rainiest season is Spring when it rains 32% of the time and the driest is Autumn with only a 14% chance of a rainy day.

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.

An annual snowfall of 5.0 inches in Mount Vernon means that it is about average compared to other places in Washington.

An annual snowfall of 29.2 inches in Allentown means that it is about average compared to other places in Pennsylvania.
December is the snowiest month in Mount Vernon with 2.0 inches of snow, and 4 months of the year have significant snowfall.

February is the snowiest month in Allentown with 9.8 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 Mount Vernon    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

Start Your Review of Mount Vernon

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Reviews for Allentown    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

Start Your Review of Allentown

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Zips In Mount Vernon, Washington
98273, 98274
Zips In ALLENTOWN, PENNSYLVANIA
18102, 18103, 18104, 18109, 18101
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