Climate and monthly weather forecast
New Castle, VA

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Weather in January

January, like December, in New Castle, Virginia, is a wintry winter month, with an average temperature varying between 41.2°F (5.1°C) and 26.1°F (-3.3°C). January, with an average high of 41.2°F (5.1°C) and a low of 26.1°F (-3.3°C), signifies the coldest month of the year. Weather in January »

Weather in February

The last month of the winter, February, is a frosty month in New Castle, Virginia, with an average temperature varying between 45.9°F (7.7°C) and 28.8°F (-1.8°C). February reports an average high-temperature of a chilly 45.9°F (7.7°C), slightly varied from January's 41.2°F (5.1°C). Weather in February »

Weather in March

March, the first month of the spring in New Castle, is a fresh month, with an average temperature varying between 35.4°F (1.9°C) and 53.8°F (12.1°C). Entering March, New Castle notices a subtle temperature elevation, with the average high-temperature advancing from February's frosty 45.9°F (7.7°C) to a fresh 53.8°F (12.1°C). Weather in March »

Weather in April

April in New Castle, Virginia, is a refreshing spring month, with an average temperature ranging between max 65.1°F (18.4°C) and min 44.4°F (6.9°C). With the onset of April, New Castle's average high-temperature experiences a rise, moving from March's cool 53.8°F (12.1°C) to a refreshing 65.1°F (18.4°C). Weather in April »

Weather in May

May, the last month of the spring in New Castle, is a warm month, with an average temperature varying between 52.3°F (11.3°C) and 74.5°F (23.6°C). The rise of average high-temperatures is seen in May, with an increase from a comfortable 65.1°F (18.4°C) in April to a warm 74.5°F (23.6°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in New Castle, Virginia, with an average temperature fluctuating between 82.2°F (27.9°C) and 58.6°F (14.8°C). New Castle in June experiences a slight uptick in the average high-temperature, adjusting from May's 74.5°F (23.6°C) to a still warm 82.2°F (27.9°C). Weather in June »

Weather in July

July in New Castle, Virginia, is a tropical summer month, with an average temperature varying between 62.6°F (17°C) and 86.5°F (30.3°C). Temperature records mark July as the warmest month, with highs averaging 86.5°F (30.3°C) and lows at 62.6°F (17°C). The heat index in July is calculated to be a fiery hot 96.8°F (36°C). Weather in July »

Weather in August

August, the last month of the summer in New Castle, is also a moderately hot month, with an average temperature varying between 61.2°F (16.2°C) and 84.4°F (29.1°C). July's transformation into August witnesses an average high-temperature of a warm 84.4°F (29.1°C), noting a minor change from the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in New Castle, is also a moderately hot month, with an average temperature fluctuating between 77.7°F (25.4°C) and 56.1°F (13.4°C). The start of September signals a gentle decrease in the average high-temperature, transitioning from a moderately hot 84.4°F (29.1°C) in August to a still warm 77.7°F (25.4°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in New Castle, Virginia, with temperature in the range of an average low of 46.6°F (8.1°C) and an average high of 65.8°F (18.8°C). October's arrival correlates with a reduction in the average high-temperature, down from a moderately hot 77.7°F (25.4°C) in September to an enjoyable 65.8°F (18.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in New Castle, Virginia, with an average temperature ranging between max 53.8°F (12.1°C) and min 35.6°F (2°C). During the transition into November, New Castle observes a decrease in the average high-temperature, falling from a refreshing 65.8°F (18.8°C) in October to a fresh 53.8°F (12.1°C). Weather in November »

Weather in December

December, the first month of the winter in New Castle, is also a frosty month, with an average temperature ranging between max 45.9°F (7.7°C) and min 31.8°F (-0.1°C). The commencement of December indicates a gentle shift in the average high-temperature, receding from November's cool 53.8°F (12.1°C) to a frosty 45.9°F (7.7°C). Weather in December »
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Frequently asked questions

What month is the coldest in New Castle?

New Castle, Virginia, experiences its lowest temperatures in January, with an average peak of 41.2°F (5.1°C) and a low of 26.1°F (-3.3°C).

How much does it rain in New Castle?

In New Castle, Virginia, during the entire year, the rain falls for 145.5 days and collects up to 25.04" (636mm) of precipitation.

When does it snow in New Castle?

Months with snowfall in New Castle are January through April, October through December.

How many days does it snow in New Castle?

In New Castle, during the entire year, snow falls for 12.9 days and aggregates up to 11.42" (290mm) of snow.

What is the month with the least sunshine in New Castle?

The month with the least sunshine is January, with an average of 5.4h of sunshine.

When is the lowest UV index in New Castle?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in New Castle, Virginia.

What is the snowiest month in New Castle?

March is the month with the most snowfall in New Castle. Snow falls for 2.7 days and accumulates 2.76" (70mm) of snow.

When is Daylight Saving Time (DST) in New Castle?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What are the most humid months in New Castle?

May, September and December, with an average relative humidity of 77%, are most humid months.

What is the wettest month in New Castle?

The month with the most rainfall in New Castle, Virginia, is May, when the rain falls for 17.7 days and typically aggregates up to 3.31" (84mm) of precipitation.

When it does not snow in New Castle?

May through September are months without snowfall in New Castle, Virginia.

What is the month with the highest UV index in New Castle?

May through August, with an average maximum UV index of 6, are months with the highest UV index in New Castle.

When are the longest days in New Castle?

June has the longest days of the year in New Castle, Virginia, with an average of 14h and 42min of daylight.

What is the hottest time of year in New Castle?

New Castle, Virginia, experiences its highest temperatures in July, with an average peak of 86.5°F (30.3°C) and a low of 62.6°F (17°C).

What is the least humid month in New Castle?

The least humid month is July, with an average relative humidity of 72%.

What month has the most sunshine in New Castle?

July has the most sunshine of the year, with an average of 10.6h of sunshine.

What is the driest month in New Castle?

The month with the least rainfall in New Castle, Virginia, is September, when the rain falls for 12.9 days and typically collects 1.61" (41mm) of precipitation.

What is the month with the shortest days in New Castle?

The month with the shortest days in New Castle, Virginia, is December, with an average of 9h and 36min of daylight.

Average temperature
New Castle, VA

Average temperature - New Castle, VA

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (41.2°F).

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure
New Castle, VA

Average pressure - New Castle, VA

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed
New Castle, VA

Average wind speed - New Castle, VA

The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

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Average humidity
New Castle, VA

Average humidity - New Castle, VA

The months with the highest relative humidity are May, September and December (77%).
The month with the lowest relative humidity is July (72%).

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Average rainfall
New Castle, VA

Average rainfall - New Castle, VA

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days
New Castle, VA

Average rainfall days - New Castle, VA

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (7.6 days).

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Average snowfall
New Castle, VA

Average snowfall - New Castle, VA

The month with the highest snowfall is March (2.76").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
New Castle, VA

Average snowfall days - New Castle, VA

The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
New Castle, VA

Average daylight / Average sunshine - New Castle, VA

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

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Average sunshine days
New Castle, VA

Average sunshine days - New Castle, VA

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is May (11.6 days).

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Average UV index
New Castle, VA

Average UV index - New Castle, VA

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
New Castle, VA

Average visibility - New Castle, VA

The months with the highest visibility are June, July and November (6mi).
The months with the lowest visibility are January, February, March, April, May, August, September, October and December (5mi).

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New Castle, Virginia, USA

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