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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is an icy winter month in New Castle, Virginia, with an average temperature varying between 26.1°F (-3.3°C) and 41.2°F (5.1°C). The coldest temperatures occur during January, when averages reach a peak of 41.2°F (5.1°C) and a low of 26.1°F (-3.3°C). 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 ranging between min 28.8°F (-1.8°C) and max 45.9°F (7.7°C). February's presence records an average high-temperature of a frosty 45.9°F (7.7°C), closely mirroring January's climate. Weather in February »
Weather in March
March, the first month of the spring in New Castle, is a fresh month, with an average temperature fluctuating between 53.8°F (12.1°C) and 35.4°F (1.9°C). The shift from February to March is marked by a slight increase in the average high-temperature, moving from a chilly 45.9°F (7.7°C) to a cool 53.8°F (12.1°C). Weather in March »
Weather in April
April in New Castle, Virginia, is a comfortable spring month, with an average temperature varying between 65.1°F (18.4°C) and 44.4°F (6.9°C). New Castle's weather in April shows a rise in the average high-temperature, moving up from March's cool 53.8°F (12.1°C) to an enjoyable 65.1°F (18.4°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in New Castle, Virginia, with temperature in the range of an average high of 74.5°F (23.6°C) and an average low of 52.3°F (11.3°C). New Castle sees a rise in temperature during May, with average high-temperatures transitioning from an enjoyable 65.1°F (18.4°C) in April to a moderately hot 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 perceives a slight temperature ascent during June, with average high-temperatures adjusting from a moderately hot 74.5°F (23.6°C) in May to a still warm 82.2°F (27.9°C). Weather in June »
Weather in July
July in New Castle, Virginia, is a hot summer month, with an average temperature ranging between max 86.5°F (30.3°C) and min 62.6°F (17°C). July stands out as New Castle's warmest month, with temperatures ranging between an average high of 86.5°F (30.3°C) and a low of 62.6°F (17°C). July's heat index is computed to be a torrid 96.8°F (36°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in New Castle, Virginia, with temperature in the range of an average high of 84.4°F (29.1°C) and an average low of 61.2°F (16.2°C). August's onset brings an average high-temperature of a warm 84.4°F (29.1°C), showing a minute difference from July's 86.5°F (30.3°C). Weather in August »
Weather in September
September, the first month of the autumn in New Castle, is also a moderately hot month, with temperature in the range of an average high of 77.7°F (25.4°C) and an average low of 56.1°F (13.4°C). September witnesses a gentle descent in average high-temperature, descending from August's 84.4°F (29.1°C) to a still moderately hot 77.7°F (25.4°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in New Castle, Virginia, with temperature in the range of an average high of 65.8°F (18.8°C) and an average low of 46.6°F (8.1°C). The onset of October entails a temperature shift, as the average high-temperature decreases from a warm 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 also a fresh month in New Castle, Virginia, with an average temperature fluctuating between 53.8°F (12.1°C) and 35.6°F (2°C). November ushers in a slight temperature change, with average high-temperatures reducing from October's refreshing 65.8°F (18.8°C) to a cool 53.8°F (12.1°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in New Castle, Virginia, with temperature in the range of an average low of 31.8°F (-0.1°C) and an average high of 45.9°F (7.7°C). The onset of December is marked by a minor decrease in temperature, transitioning from a fresh 53.8°F (12.1°C) in November to a frosty 45.9°F (7.7°C). Weather in December »
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
New Castle's coldest temperatures are experienced in January, with average high temperatures of 41.2°F (5.1°C) and lows of 26.1°F (-3.3°C).
How many days does it rain?
Throughout the year, there are 145.5 rainfall days, and 25.04" (636mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through April, October through December.
How many days does it snow?
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?
With an average of 5.4h of sunshine, January has the least sunshine of the year.
What are the months with the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the snowiest month?
March is the month with the most snowfall. Snow falls for 2.7 days and accumulates 2.76" (70mm) of snow.
When is Daylight Saving Time (DST)?
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?
The months with the highest humidity are May, September and December, with an average relative humidity of 77%.
What is the wettest month?
The month with the most rainfall 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?
May through September are months without snowfall.
When is the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days?
June has the longest days of the year, with an average of 14h and 42min of daylight.
What is the hottest time of year?
July proves to be the warmest month, recording an average peak temperature of 86.5°F (30.3°C) and a minimum temperature of 62.6°F (17°C).
What is the least humid month?
With an average relative humidity of 72%, July is the least humid month.
What month has the most sunshine?
July has the most sunshine of the year in New Castle, with an average of 10.6h of sunshine.
What is the driest month?
September is the month with the least rainfall in New Castle. Rain falls for 12.9 days and accumulates 1.61" (41mm) of precipitation.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 36min of daylight.
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).
Average pressure
New Castle, VA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
30.02"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed
New Castle, VA
- Average wind speed in January:
6.7mph - Average wind speed in February:
6.8mph - Average wind speed in March:
6.4mph - Average wind speed in April:
6.5mph - Average wind speed in May:
5.3mph - Average wind speed in June:
4.8mph
- Average wind speed in July:
4.2mph - Average wind speed in August:
3.9mph - Average wind speed in September:
4.2mph - Average wind speed in October:
5.2mph - Average wind speed in November:
5.5mph - Average wind speed in December:
5.9mph
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).
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%).
Average rainfall
New Castle, VA
- Average rainfall in January:
1.85" - Average rainfall in February:
2.36" - Average rainfall in March:
1.81" - Average rainfall in April:
2.36" - Average rainfall in May:
3.31" - Average rainfall in June:
2.17"
- Average rainfall in July:
1.77" - Average rainfall in August:
1.97" - Average rainfall in September:
1.61" - Average rainfall in October:
1.81" - Average rainfall in November:
1.85" - Average rainfall in December:
2.17"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days
New Castle, VA
- Average rainfall days in January:
9.1 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
14.5 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
14 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
15.5 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
9.2 days - Average rainfall days in November:
7.6 days - Average rainfall days in December:
8.6 days
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).
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").
Average snowfall days
New Castle, VA
- Average snowfall days in January:
3.5 days - Average snowfall days in February:
3.8 days - Average snowfall days in March:
2.7 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
2.2 days
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).
Average daylight / Average sunshine
New Castle, VA
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
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).
- Average sunshine in January:
5h and 2min - Average sunshine in February:
5h and 5min - Average sunshine in March:
6h and 5min - Average sunshine in April:
9h and 0min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 2min - Average sunshine in October:
6h and 0min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 3min
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).
Average sunshine days
New Castle, VA
- Average sunshine days in January:
19.4 days - Average sunshine days in February:
16 days - Average sunshine days in March:
16 days - Average sunshine days in April:
14.4 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
14.3 days
- Average sunshine days in July:
13.4 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
20.7 days - Average sunshine days in November:
20.9 days - Average sunshine days in December:
20 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is May (11.6 days).
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).
Average cloud cover
New Castle, VA
The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 31).
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).
New Castle, Virginia, USA
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