August weather forecast
Onley, VA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Onley, Virginia, with an average temperature varying between 81°F (27.2°C) and 75°F (23.9°C).

Temperature

The arrival of August sees an average high-temperature of a still warm 81°F (27.2°C), hardly diverging from July's 82°F (27.8°C). In August, Onley experiences a marginal drop in temperature, with averages of 75°F (23.9°C) at night.

Heat index

For most parts of August, the heat index is appraised at a tropical 86°F (30°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
Data suggests that the heat index is set for environments in shade and with a light wind. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. 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 ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

The average relative humidity in August in Onley, Virginia, is 76%.

Rainfall

August is the month with the most rainfall. Rain falls for 18.3 days and accumulates 4.29" (109mm) of precipitation.

Snowfall

In Onley, snow does not fall in April through November.

Daylight

In Onley, the average length of the day in August is 13h and 34min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:11 pm. On the last day of August, sunrise is at 6:32 am and sunset at 7:33 pm EDT.

Sunshine

The average sunshine in August in Onley is 10.7h.

UV index

July and August, with an average maximum UV index of 7, 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 ordinary individuals.
Note: In August, the average maximum UV index of 7 translates into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

What are August temperatures in Onley?

In August, the average high-temperature and low-temperature in Onley are 81°F (27.2°C) and 75°F (23.9°C) respectively. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in August is appraised at 86°F (30°C).

What is the average humidity in August in Onley?

The average relative humidity in August in Onley is 76%.

What is the wettest month in Onley?

August is the month with the most rainfall in Onley, Virginia. Rain falls for 18.3 days and accumulates 4.29" (109mm) of precipitation.

How much does it rain in Onley in August?

In Onley, Virginia, during August, the rain falls for 18.3 days and regularly aggregates up to 4.29" (109mm) of precipitation.

When it does not snow in Onley?

April through November are months without snowfall in Onley.

How many hours of daylight does Onley have in August?

In Onley, the average day length in August is 13h and 34min.

When is the sunrise / sunset in August in Onley?

In August, on the first day of the month, sunrise is at 6:07 am and sunset at 8:11 pm. On the last day of the month, in Onley, Virginia, sunrise is at 6:32 am and sunset at 7:33 pm EDT.

How many hours of sunshine does Onley have in August?

In Onley, the average sunshine duration in August is 10.7h.

What is the month with the highest UV index in Onley?

July and August, with an average maximum UV index of 7, are months with the highest UV index in Onley.

What is the UV index intensity in August in Onley?

The average daily maximum UV index in August is 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe 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
Onley, VA

Average temperature in August - Onley, VA
  • Average high temperature in August: 81°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (43.5°F).

  • Average low temperature in August: 75°F

The month with the highest average low temperature is July (75.7°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

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Average pressure in August
Onley, VA

Average pressure in August - Onley, VA
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in August
Onley, VA

Average wind speed in August - Onley, VA
  • Average wind speed in August: 9.2mph

The windiest month (with the highest average wind speed) is January (13.1mph).
The calmest month (with the lowest average wind speed) is August (9.2mph).

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Average humidity in August
Onley, VA

Average humidity in August - Onley, VA
  • Average humidity in August: 76%

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January and November (74%).

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Average rainfall in August
Onley, VA

Average rainfall in August - Onley, VA
  • Average rainfall in August: 4.29"

The wettest month (with the highest rainfall) is August (4.29").
The driest months (with the least rainfall) are January and November (2.44").

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Average rainfall days in August
Onley, VA

Average rainfall days in August - Onley, VA
  • Average rainfall days in August: 18.3 days

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (10.9 days).

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Average snowfall in August
Onley, VA

Average snowfall in August - Onley, VA
  • Average snowfall in August: 0"

The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in August
Onley, VA

Average snowfall days in August - Onley, VA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Onley, VA

Average daylight in August / Average sunshine in August - Onley, 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 4min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

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Average sunshine days in August
Onley, VA

Average sunshine days in August - Onley, VA
  • Average sunshine days in August: 10.1 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (9.4 days).

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Average UV index in August
Onley, VA

Average UV index in August - Onley, VA
  • Average UV index in August: 7

The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).

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Average cloud cover in August
Onley, VA

Average cloud cover in August - Onley, VA
  • Average cloud cover in August: 26

The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June, July and August (Cloud cover 26).

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Average visibility in August
Onley, VA

Average visibility in August - Onley, VA
  • Average visibility in August: 6mi

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

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Onley, Virginia, USA

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