August weather forecast
King William, VA

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Weather in August

The last month of the summer, August, is another tropical month in King William, Virginia, with temperature in the range of an average high of 87.4°F (30.8°C) and an average low of 67.6°F (19.8°C).

Temperature

Entering August, King William's average high-temperature reads a still hot 87.4°F (30.8°C), indicating a close resemblance to the previous month's climate. The month of August records an average low-temperature of 67.6°F (19.8°C) in King William.

Heat index

In August, the average heat index is computed to be a fiery hot 100.4°F (38°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a composite of temperature and humidity figures to convey how warm it feels. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. 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 are particularly relevant to babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

The average relative humidity in August in King William is 74%.

Rainfall

August is the month with the most rainfall in King William, Virginia. Rain falls for 16.1 days and accumulates 2.99" (76mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In August, the average length of the day in King William is 13h and 34min.
On the first day of the month, sunrise is at 6:12 am and sunset at 8:16 pm. On the last day of August, sunrise is at 6:37 am and sunset at 7:38 pm EDT.

Sunshine

The average sunshine in August in King William, Virginia, is 10.1h.

UV index

The months with the highest UV index in King William 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 unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 6 in August translates into the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

How hot is it in King William in August?

In King William, 87.4°F (30.8°C) is the average high-temperature and 67.6°F (19.8°C) is the average low-temperature during August. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in August is computed to be 100.4°F (38°C).

What is the average humidity in August in King William?

In King William, Virginia, the average relative humidity in August is 74%.

What is the rainiest month in King William?

August is the month with the most rainfall in King William, Virginia. Rain falls for 16.1 days and accumulates 2.99" (76mm) of precipitation.

How many days does it rain in August in King William?

In King William, in August, during 16.1 rainfall days, 2.99" (76mm) of precipitation is typically accumulated.

When it does not snow in King William?

In King William, Virginia, snow does not fall in May through October.

What is the average length of the day in August in King William?

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

What time are sunrise and sunset in August in King William?

In August, on the first day of the month, sunrise is at 6:12 am and sunset at 8:16 pm. On the last day of the month, in King William, Virginia, sunrise is at 6:37 am and sunset at 7:38 pm EDT.

How long on average sun shines in August in King William?

In August, the average sunshine duration in King William is 10.1h.

When is the highest UV index in King William?

May through August, with an average maximum UV index of 6, are months with the highest UV index in King William, Virginia.

What is the UV index intensity in August in King William?

In King William, the average daily maximum UV index in August is 6. 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
King William, VA

Average temperature in August - King William, VA
  • Average high temperature in August: 87.4°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in August: 67.6°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).

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Average pressure in August
King William, VA

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

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in August
King William, VA

Average wind speed in August - King William, VA
  • Average wind speed in August: 5.1mph

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in August
King William, VA

Average humidity in August - King William, VA
  • Average humidity in August: 74%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is July (71%).

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Average rainfall in August
King William, VA

Average rainfall in August - King William, VA
  • Average rainfall in August: 2.99"

The wettest month (with the highest rainfall) is August (2.99").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in August
King William, VA

Average rainfall days in August - King William, VA
  • Average rainfall days in August: 16.1 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (9.8 days).

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Average snowfall in August
King William, VA

Average snowfall in August - King William, VA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
King William, VA

Average snowfall days in August - King William, VA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (3.9 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
King William, VA

Average daylight in August / Average sunshine in August - King William, 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 months with the least sunshine are February and December (Average sunshine: 5h and 18min).

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Average sunshine days in August
King William, VA

Average sunshine days in August - King William, VA
  • Average sunshine days in August: 13.3 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).

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Average UV index in August
King William, VA

Average UV index in August - King William, 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 and December (UV index 2).

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Average cloud cover in August
King William, VA

Average cloud cover in August - King William, VA
  • Average cloud cover in August: 35

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in August
King William, VA

Average visibility in August - King William, VA
  • Average visibility in August: 6mi

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

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King William, Virginia, USA

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