2025 Compare Climate & Weather:
Mount Sidney, VA vs New Castle, VA

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Highlights

On average, there are 212 sunny days per year in New Castle. Mount Sidney averages 204 sunny days per year. The US average is 205 sunny days.

New Castle, Virginia gets 38.8 inches of rain, on average, per year. Mount Sidney, Virginia gets 40.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

New Castle averages 27 inches of snow per year. Mount Sidney averages 20.7 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

New Castle, Virginia
Summer High: the July high is around 82.7 degrees
Winter Low: the January low is 20.4
Rain: averages 38.8 inches of rain a year
Snow: averages 27 inches of snow a year

Mount Sidney, Virginia
Summer High: the July high is around 84.8 degrees
Winter Low: the January low is 20.5
Rain: averages 40.7 inches of rain a year
Snow: averages 20.7 inches of snow a year

BestPlaces Comfort Index

New Castle

The annual BestPlaces Comfort Index for New Castle is 7.1 (10=best), which means it is one of the least comfortable places in Virginia.

7.1 / 10

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

Mount Sidney

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

7.2 / 10

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

Today's Weather - Mount Sidney, VA

11 PM PST

Isolated Rain Showers

63°F

DAY	DESCRIPTION	HIGH / LOW	WIND
Overnight	Isolated Rain Showers	59° / 81°	SW 5 mph
Saturday Night	Showers And Thunderstorms	60° / 72°	S 5 to 10 mph
Sunday Night	Showers And Thunderstorms	55° / 74°	E 1 to 7 mph
Monday Night	Chance Showers And Thunderstorms	51° / 73°	S 1 to 7 mph
Tuesday Night	Chance Rain Showers then Mostly Clear	48° / 75°	W 2 to 7 mph
Wednesday Night	Chance Rain Showers	54° / 72°	NW 2 to 6 mph
Thursday Night	Chance Showers And Thunderstorms	49° / 71°	N 6 mph

Today's Weather - New Castle, VA

11 PM PST

Mostly Cloudy

66°F

DAY	DESCRIPTION	HIGH / LOW	WIND
Overnight	Mostly Cloudy	63° / 82°	SW 3 mph
Saturday Night	Showers And Thunderstorms	58° / 70°	S 3 to 9 mph
Sunday Night	Showers And Thunderstorms Likely	54° / 75°	S 0 to 5 mph
Monday Night	Chance Rain Showers	51° / 74°	SW 2 to 7 mph
Tuesday Night	Slight Chance Rain Showers then Mostly Clear	50° / 74°	W 1 to 5 mph
Wednesday Night	Slight Chance Rain Showers	53° / 77°	NW 3 mph
Thursday Night	Chance Showers And Thunderstorms	54° / 71°	E 5 mph

Average Monthly High / Low (°F)

Month	Mount Sidney, VA	New Castle, VA
January	42° / 21°	41° / 20°
February	46° / 22°	44° / 23°
March	54° / 29°	53° / 29°
April	64° / 37°	64° / 38°
May	73° / 48°	72° / 47°
June	82° / 57°	80° / 56°
July	85° / 61°	83° / 60°
August	84° / 60°	82° / 58°
September	77° / 52°	76° / 50°
October	67° / 41°	66° / 39°
November	56° / 31°	55° / 30°
December	45° / 24°	43° / 23°

Hot, Freezing, Rainy, Snowy Days: Mount Sidney / New Castle

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	27 / 27	9 / 10	3 / 4
February	0 / 0	25 / 24	8 / 10	3 / 4
March	0 / 0	20 / 20	10 / 11	1 / 2
April	0 / 0	9 / 9	11 / 12	0 / 0
May	0 / 0	1 / 2	13 / 14	0 / 0
June	2 / 1	0 / 0	11 / 12	0 / 0
July	5 / 2	0 / 0	12 / 12	0 / 0
August	4 / 2	0 / 0	10 / 10	0 / 0
September	1 / 0	0 / 1	9 / 9	0 / 0
October	0 / 0	6 / 9	8 / 9	0 / 0
November	0 / 0	17 / 18	9 / 9	0 / 1
December	0 / 0	26 / 25	9 / 11	2 / 3

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

July is the hottest month for New Castle with an average high temperature of 82.7°, which ranks it as one of the coolest places in Virginia. In New Castle, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for New Castle are June, September and August.

January has the coldest nighttime temperatures for Mount Sidney with an average of 20.5°. This is one of the coldest places in Virginia.

January has the coldest nighttime temperatures for New Castle with an average of 20.4°. This is one of the coldest places in Virginia.

In Mount Sidney, there are 13.3 days annually when the high temperature is over 90°, which is cooler than most places in Virginia.

In New Castle, there are 4.7 days annually when the high temperature is over 90°, which is one of the coolest places in Virginia.

In Mount Sidney, there are 129.9 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Virginia.

In New Castle, there are 133.9 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Virginia.

In Mount Sidney, there are 1.3 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Virginia.

In New Castle, there are 2.2 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Virginia.

July is the wettest month in Mount Sidney with 4.1 inches of rain, and the driest month is January with 2.6 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 40.7 inches in Mount Sidney means that it is drier than most places in Virginia.

May is the wettest month in New Castle with 4.4 inches of rain, and the driest month is February with 2.6 inches. The wettest season is Summer with 29% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 38.8 inches in New Castle means that it is one of the driest places in Virginia.

May is the rainiest month in Mount Sidney with 12.6 days of rain, and October is the driest month with only 8.1 rainy days. There are 119.3 rainy days annually in Mount Sidney, which is rainier than most places in Virginia. 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.

May is the rainiest month in New Castle with 13.5 days of rain, and October is the driest month with only 8.6 rainy days. There are 128.5 rainy days annually in New Castle, which is one of the rainiest places in Virginia. The rainiest season is Summer when it rains 29% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 20.7 inches in Mount Sidney means that it is snowier than most places in Virginia.

An annual snowfall of 27.0 inches in New Castle means that it is one of the snowiest places in Virginia.

February is the snowiest month in Mount Sidney with 6.8 inches of snow, and 5 months of the year have significant snowfall.

February is the snowiest month in New Castle with 7.8 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 Sidney 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 New Castle 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:
Mount Sidney, VA vs New Castle, VA

Highlights

Weather Highlights

BestPlaces Comfort Index

Today's Weather - Mount Sidney, VA

Today's Weather - New Castle, VA

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Mount Sidney / New Castle

January has the coldest nighttime temperatures for Mount Sidney with an average of 20.5°. This is one of the coldest places in Virginia.

January has the coldest nighttime temperatures for New Castle with an average of 20.4°. This is one of the coldest places in Virginia.

In Mount Sidney, there are 13.3 days annually when the high temperature is over 90°, which is cooler than most places in Virginia.

In New Castle, there are 4.7 days annually when the high temperature is over 90°, which is one of the coolest places in Virginia.

In Mount Sidney, there are 1.3 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Virginia.

In New Castle, there are 2.2 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Virginia.

An annual snowfall of 20.7 inches in Mount Sidney means that it is snowier than most places in Virginia.

An annual snowfall of 27.0 inches in New Castle means that it is one of the snowiest places in Virginia.

February is the snowiest month in Mount Sidney with 6.8 inches of snow, and 5 months of the year have significant snowfall.

February is the snowiest month in New Castle with 7.8 inches of snow, and 6 months of the year have significant snowfall.

DID YOU KNOW?

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Reviews for New Castle 2 Reviews

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2025 Compare Climate & Weather:Mount Sidney, VA vs New Castle, VA

Highlights

Weather Highlights

BestPlaces Comfort Index

Today's Weather - Mount Sidney, VA

Today's Weather - New Castle, VA

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Mount Sidney / New Castle

January has the coldest nighttime temperatures for Mount Sidney with an average of 20.5°. This is one of the coldest places in Virginia.January has the coldest nighttime temperatures for New Castle with an average of 20.4°. This is one of the coldest places in Virginia.

In Mount Sidney, there are 13.3 days annually when the high temperature is over 90°, which is cooler than most places in Virginia.In New Castle, there are 4.7 days annually when the high temperature is over 90°, which is one of the coolest places in Virginia.

In Mount Sidney, there are 1.3 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Virginia.In New Castle, there are 2.2 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Virginia.

An annual snowfall of 20.7 inches in Mount Sidney means that it is snowier than most places in Virginia.An annual snowfall of 27.0 inches in New Castle means that it is one of the snowiest places in Virginia.

February is the snowiest month in Mount Sidney with 6.8 inches of snow, and 5 months of the year have significant snowfall.February is the snowiest month in New Castle with 7.8 inches of snow, and 6 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Mount Sidney 2 Reviews

Reviews for New Castle 2 Reviews

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Zips In Mount Sidney, Virginia

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2025 Compare Climate & Weather:
Mount Sidney, VA vs New Castle, VA

January has the coldest nighttime temperatures for Mount Sidney with an average of 20.5°. This is one of the coldest places in Virginia.

January has the coldest nighttime temperatures for New Castle with an average of 20.4°. This is one of the coldest places in Virginia.

In Mount Sidney, there are 13.3 days annually when the high temperature is over 90°, which is cooler than most places in Virginia.

In New Castle, there are 4.7 days annually when the high temperature is over 90°, which is one of the coolest places in Virginia.

In Mount Sidney, there are 1.3 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Virginia.

In New Castle, there are 2.2 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Virginia.

An annual snowfall of 20.7 inches in Mount Sidney means that it is snowier than most places in Virginia.

An annual snowfall of 27.0 inches in New Castle means that it is one of the snowiest places in Virginia.

February is the snowiest month in Mount Sidney with 6.8 inches of snow, and 5 months of the year have significant snowfall.

February is the snowiest month in New Castle with 7.8 inches of snow, and 6 months of the year have significant snowfall.