August weather forecast
New Castle, VA

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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).

Temperature

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. During August, New Castle reports a marked contrast from daily peak temperatures, with an average nighttime reading of 61.2°F (16.2°C).

Heat index

In August, the average heat index is calculated to be a tropical 93.2°F (34°C). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
Bear in mind that the heat index values are determined for shaded areas and light breezes. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

The average relative humidity in August in New Castle is 74%.

Rainfall

In New Castle, in August, during 15.5 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, there are 145.5 rainfall days, and 25.04" (636mm) of precipitation is accumulated.

Snowfall

In New Castle, Virginia, snow does not fall in May through September.

Daylight

In New Castle, the average length of the day in August is 13h and 34min.
On the first day of the month, sunrise is at 6:25 am and sunset at 8:28 pm. On the last day of August, sunrise is at 6:50 am and sunset at 7:50 pm EDT.

Sunshine

In August, the average sunshine in New Castle is 10.1h.

UV index

The months with the highest UV index in New Castle, Virginia, are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In August, a daily UV index of 6 turns into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Frequently asked questions

How hot does it get in New Castle in August?

During August, New Castle experiences an average high-temperature of 84.4°F (29.1°C) and a low-temperature of 61.2°F (16.2°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 93.2°F (34°C).

What is the average humidity in August in New Castle?

The average relative humidity in August in New Castle, Virginia, is 74%.

How many days does it rain in August in New Castle?

In August, in New Castle, Virginia, the rain falls for 15.5 days. Throughout August, 1.97" (50mm) of precipitation is accumulated.

When it does not snow in New Castle?

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

What is the average length of the day in August in New Castle?

The average day length in August in New Castle is 13h and 34min.

What time are sunrise and sunset in August in New Castle?

On the first day of August in New Castle, sunrise is at 6:25 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 7:50 pm EDT.

How many hours of sunshine does New Castle have in August?

The average sunshine duration in August is 10.1h.

What are the months with the highest UV index in New Castle?

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

What is the UV index intensity in August in New Castle?

The average daily maximum UV index in August in New Castle is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
New Castle, VA

Average temperature in August - New Castle, VA
  • Average high temperature in August: 84.4°F

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).

  • Average low temperature in August: 61.2°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 in August
New Castle, VA

Average pressure in August - New Castle, VA
  • Average pressure in August: 30.02"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).

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Average wind speed in August
New Castle, VA

Average wind speed in August - New Castle, VA
  • Average wind speed in August: 3.9mph

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).

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Average humidity in August
New Castle, VA

Average humidity in August - New Castle, VA
  • Average humidity in August: 74%

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 in August
New Castle, VA

Average rainfall in August - New Castle, VA
  • Average rainfall in August: 1.97"

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 in August
New Castle, VA

Average rainfall days in August - New Castle, VA
  • Average rainfall days in August: 15.5 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).

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Average snowfall in August
New Castle, VA

Average snowfall in August - New Castle, VA
  • Average snowfall in August: 0"

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 in August
New Castle, VA

Average snowfall days in August - New Castle, VA
  • Average snowfall days in August: 0 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).

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Average daylight in August /
Average sunshine in August
New Castle, VA

Average daylight in August / Average sunshine in August - New Castle, VA
  • Average daylight in August: 13h 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 August: 10h and 1min

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 in August
New Castle, VA

Average sunshine days in August - New Castle, VA
  • Average sunshine days in August: 13.3 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).

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Average UV index in August
New Castle, VA

Average UV index in August - New Castle, VA
  • Average UV index in August: 6

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 cloud cover in August
New Castle, VA

Average cloud cover in August - New Castle, VA
  • Average cloud cover in August: 34

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).

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Average visibility in August
New Castle, VA

Average visibility in August - New Castle, VA
  • Average visibility in August: 5mi

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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