2025 Compare Climate & Weather:
Carlisle, PA vs Bethesda, MD

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Highlights

On average, there are 197 sunny days per year in Bethesda. Carlisle averages 200 sunny days per year. The US average is 205 sunny days.

Bethesda, Maryland gets 42.7 inches of rain, on average, per year. Carlisle, Pennsylvania gets 42.3 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Bethesda averages 17.2 inches of snow per year. Carlisle averages 30.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Bethesda, Maryland
Summer High: the July high is around 86.7 degrees
Winter Low: the January low is 25.3
Rain: averages 42.7 inches of rain a year
Snow: averages 17.2 inches of snow a year

Carlisle, Pennsylvania
Summer High: the July high is around 84.8 degrees
Winter Low: the January low is 20.9
Rain: averages 42.3 inches of rain a year
Snow: averages 30.3 inches of snow a year

BestPlaces Comfort Index

Bethesda

The annual BestPlaces Comfort Index for Bethesda is 7.3 (10=best), which means it is more comfortable than most places in Maryland.

7.3 / 10

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

Carlisle

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

7.1 / 10

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

Average Monthly High / Low (°F)

Month	Carlisle, PA	Bethesda, MD
January	37° / 21°	42° / 25°
February	40° / 23°	46° / 28°
March	49° / 30°	55° / 35°
April	62° / 40°	66° / 44°
May	72° / 49°	74° / 54°
June	81° / 59°	83° / 63°
July	85° / 63°	87° / 68°
August	83° / 62°	85° / 67°
September	76° / 54°	78° / 59°
October	65° / 42°	67° / 47°
November	53° / 34°	57° / 38°
December	41° / 26°	46° / 29°

Hot, Freezing, Rainy, Snowy Days: Carlisle / Bethesda

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	28 / 23	9 / 9	5 / 3
February	0 / 0	25 / 20	9 / 9	4 / 2
March	0 / 0	18 / 13	10 / 10	2 / 1
April	0 / 0	4 / 2	12 / 10	1 / 0
May	0 / 1	0 / 0	13 / 12	0 / 0
June	2 / 5	0 / 0	11 / 10	0 / 0
July	5 / 10	0 / 0	10 / 10	0 / 0
August	3 / 6	0 / 0	10 / 8	0 / 0
September	1 / 2	0 / 0	9 / 9	0 / 0
October	0 / 0	2 / 1	10 / 8	0 / 0
November	0 / 0	12 / 8	10 / 9	1 / 0
December	0 / 0	25 / 20	10 / 10	3 / 1

July is the hottest month for Carlisle with an average high temperature of 84.8°, which ranks it as warmer than most places in Pennsylvania. In Carlisle, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Carlisle are September, June and August.

July is the hottest month for Bethesda with an average high temperature of 86.7°, which ranks it as cooler than most places in Maryland. In Bethesda, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Bethesda are September, May and June.

January has the coldest nighttime temperatures for Carlisle with an average of 20.9°. This is warmer than most places in Pennsylvania.

January has the coldest nighttime temperatures for Bethesda with an average of 25.3°. This is about average compared to other places in Maryland.

In Carlisle, there are 11.2 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

In Bethesda, there are 23.8 days annually when the high temperature is over 90°, which is about average compared to other places in Maryland.

In Carlisle, there are 114.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Pennsylvania.

In Bethesda, there are 87.8 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Maryland.

In Carlisle, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Pennsylvania.

In Bethesda, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Maryland.

May is the wettest month in Carlisle with 4.2 inches of rain, and the driest month is January with 2.8 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 42.3 inches in Carlisle means that it is about average compared to other places in Pennsylvania.

May is the wettest month in Bethesda with 4.2 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Summer with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 42.7 inches in Bethesda means that it is drier than most places in Maryland.

May is the rainiest month in Carlisle with 12.8 days of rain, and September is the driest month with only 8.7 rainy days. There are 122.4 rainy days annually in Carlisle, 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 Bethesda with 11.6 days of rain, and August is the driest month with only 8.3 rainy days. There are 113.9 rainy days annually in Bethesda, which is about average compared to other places in Maryland. 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 30.3 inches in Carlisle means that it is about average compared to other places in Pennsylvania.

An annual snowfall of 17.2 inches in Bethesda means that it is snowier than most places in Maryland.

January is the snowiest month in Carlisle with 9.4 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Bethesda with 6.9 inches of snow, and 5 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 Carlisle 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 Bethesda 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:
Carlisle, PA vs Bethesda, MD

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Carlisle / Bethesda

January has the coldest nighttime temperatures for Carlisle with an average of 20.9°. This is warmer than most places in Pennsylvania.

January has the coldest nighttime temperatures for Bethesda with an average of 25.3°. This is about average compared to other places in Maryland.

In Carlisle, there are 11.2 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

In Bethesda, there are 23.8 days annually when the high temperature is over 90°, which is about average compared to other places in Maryland.

In Carlisle, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Pennsylvania.

In Bethesda, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Maryland.

An annual snowfall of 30.3 inches in Carlisle means that it is about average compared to other places in Pennsylvania.

An annual snowfall of 17.2 inches in Bethesda means that it is snowier than most places in Maryland.

January is the snowiest month in Carlisle with 9.4 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Bethesda with 6.9 inches of snow, and 5 months of the year have significant snowfall.

DID YOU KNOW?

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2025 Compare Climate & Weather:Carlisle, PA vs Bethesda, MD

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Carlisle / Bethesda

January has the coldest nighttime temperatures for Carlisle with an average of 20.9°. This is warmer than most places in Pennsylvania.January has the coldest nighttime temperatures for Bethesda with an average of 25.3°. This is about average compared to other places in Maryland.

In Carlisle, there are 11.2 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.In Bethesda, there are 23.8 days annually when the high temperature is over 90°, which is about average compared to other places in Maryland.

In Carlisle, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Pennsylvania.In Bethesda, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Maryland.

An annual snowfall of 30.3 inches in Carlisle means that it is about average compared to other places in Pennsylvania.An annual snowfall of 17.2 inches in Bethesda means that it is snowier than most places in Maryland.

January is the snowiest month in Carlisle with 9.4 inches of snow, and 6 months of the year have significant snowfall.January is the snowiest month in Bethesda with 6.9 inches of snow, and 5 months of the year have significant snowfall.

DID YOU KNOW?

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Reviews for Bethesda 2 Reviews

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2025 Compare Climate & Weather:
Carlisle, PA vs Bethesda, MD

January has the coldest nighttime temperatures for Carlisle with an average of 20.9°. This is warmer than most places in Pennsylvania.

January has the coldest nighttime temperatures for Bethesda with an average of 25.3°. This is about average compared to other places in Maryland.

In Carlisle, there are 11.2 days annually when the high temperature is over 90°, which is hotter than most places in Pennsylvania.

In Bethesda, there are 23.8 days annually when the high temperature is over 90°, which is about average compared to other places in Maryland.

In Carlisle, there are 0.5 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Pennsylvania.

In Bethesda, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Maryland.

An annual snowfall of 30.3 inches in Carlisle means that it is about average compared to other places in Pennsylvania.

An annual snowfall of 17.2 inches in Bethesda means that it is snowier than most places in Maryland.

January is the snowiest month in Carlisle with 9.4 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Bethesda with 6.9 inches of snow, and 5 months of the year have significant snowfall.