August weather forecastNew Castle, VA
August
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).Temperature
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). August nights bring a significant cooling from the heat of the day, with averages of 61.2°F (16.2°C).Heat index
In August, the average heat index is computed to be a hot 93.2°F (34°C). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.Note that heat index values are valued for light wind and location in the shade. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
In New Castle, the average relative humidity in August is 74%.Rainfall
In New Castle, in August, it is raining for 15.5 days, with typically 1.97" (50mm) of accumulated precipitation. In New Castle, during the entire year, the rain falls for 145.5 days and collects up to 25.04" (636mm) of precipitation.Snowfall
In New Castle, snow does not fall in May through September.Daylight
The average length of the day in August is 13h and 34min.On the first day of August, 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.
Sunshine
In New Castle, the average sunshine in August is 10.1h.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 6 in August translates into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in August /
Average sunshine in August
New Castle, VA
- Average daylight in August: 13h and 36min
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 6min
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 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).
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).
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).
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).
