The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Lancaster, PA vs Williamstown, MA

2025 Compare Climate & Weather:
Lancaster, PA vs Williamstown, MA

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Highlights

On average, there are 185 sunny days per year in Williamstown. Lancaster averages 202 sunny days per year. The US average is 205 sunny days.

Williamstown, Massachusetts gets 44.4 inches of rain, on average, per year. Lancaster, Pennsylvania gets 42.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Williamstown averages 63.3 inches of snow per year. Lancaster averages 20 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Williamstown, Massachusetts
Summer High: the July high is around 79.5 degrees
Winter Low: the January low is 12.1
Rain: averages 44.4 inches of rain a year
Snow: averages 63.3 inches of snow a year

Lancaster, Pennsylvania
Summer High: the July high is around 85.4 degrees
Winter Low: the January low is 21.3
Rain: averages 42.6 inches of rain a year
Snow: averages 20 inches of snow a year

BestPlaces Comfort Index
Williamstown

The annual BestPlaces Comfort Index for Williamstown is 6.5 (10=best), which means it is one of the least comfortable places in Massachusetts.

6.5 / 10
August, July and June are the most pleasant months in Williamstown, while January and February are the least comfortable months.

Lancaster

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

7.2 / 10
June, September and August are the most pleasant months in Lancaster, while January and February are the least comfortable months.

Average Monthly High / Low (°F)
MonthLancaster, PAWilliamstown, MA
January38° / 21°31° / 12°
February41° / 23°34° / 15°
March51° / 31°43° / 23°
April63° / 40°57° / 34°
May73° / 50°67° / 43°
June82° / 60°75° / 52°
July85° / 64°80° / 57°
August84° / 62°78° / 55°
September76° / 54°71° / 48°
October65° / 43°59° / 37°
November54° / 34°47° / 30°
December42° / 26°36° / 20°
Hot, Freezing, Rainy, Snowy Days: Lancaster / Williamstown
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 027 / 2910 / 113 / 7
February0 / 024 / 269 / 103 / 6
March0 / 018 / 2610 / 111 / 5
April0 / 05 / 1411 / 110 / 1
May1 / 00 / 312 / 120 / 0
June3 / 00 / 011 / 120 / 0
July6 / 10 / 011 / 110 / 0
August4 / 00 / 09 / 100 / 0
September1 / 00 / 19 / 100 / 0
October0 / 03 / 109 / 100 / 0
November0 / 013 / 1910 / 110 / 2
December0 / 024 / 2710 / 112 / 6
July is the hottest month for Lancaster with an average high temperature of 85.4°, which ranks it as warmer than most places in Pennsylvania. In Lancaster, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lancaster are September, June and May.

July is the hottest month for Williamstown with an average high temperature of 79.5°, which ranks it as cooler than most places in Massachusetts. In Williamstown, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Williamstown are August, July and June.
January has the coldest nighttime temperatures for Lancaster with an average of 21.3°. This is warmer than most places in Pennsylvania.

January has the coldest nighttime temperatures for Williamstown with an average of 12.1°. This is one of the coldest places in Massachusetts.

In Lancaster, there are 14.3 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

In Williamstown, there are 1.8 days annually when the high temperature is over 90°, which is cooler than most places in Massachusetts.

In Lancaster, there are 113.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Pennsylvania.

In Williamstown, there are 154.2 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Massachusetts.

In Lancaster, there are 1.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Pennsylvania.

In Williamstown, there are 10.7 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Massachusetts.

July is the wettest month in Lancaster with 4.5 inches of rain, and the driest month is February with 2.4 inches. The wettest season is Autumn with 28% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 42.6 inches in Lancaster means that it is about average compared to other places in Pennsylvania.


June is the wettest month in Williamstown with 4.7 inches of rain, and the driest month is February with 2.5 inches. The wettest season is Autumn with 30% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 44.4 inches in Williamstown means that it is one of the driest places in Massachusetts.

May is the rainiest month in Lancaster with 12.3 days of rain, and February is the driest month with only 8.8 rainy days. There are 122.3 rainy days annually in Lancaster, 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 Williamstown with 12.3 days of rain, and February is the driest month with only 9.7 rainy days. There are 129.5 rainy days annually in Williamstown, which is rainier than most places in Massachusetts. The rainiest season is Summer when it rains 26% of the time and the driest is Spring with only a 24% chance of a rainy day.

An annual snowfall of 20.0 inches in Lancaster means that it is less snowy than most places in Pennsylvania.

An annual snowfall of 63.3 inches in Williamstown means that it is one of the snowiest places in Massachusetts.
February is the snowiest month in Lancaster with 7.7 inches of snow, and 4 months of the year have significant snowfall.

January is the snowiest month in Williamstown with 16.8 inches of snow, and 7 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 Lancaster    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 Lancaster

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Reviews for Williamstown    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 Williamstown

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Zips In Lancaster, Pennsylvania
17603, 17602
Zips In WILLIAMSTOWN, MASSACHUSETTS
No Zip Codes Here.
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