August weather forecast
Horntown, VA

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Weather in August

August, the last month of the summer in Horntown, is also a moderately hot month, with temperature in the range of an average high of 82.4°F (28°C) and an average low of 72°F (22.2°C).

Temperature

The onset of August notes an average high-temperature of a still warm 82.4°F (28°C), subtly shifted from July's 83.5°F (28.6°C). In August, Horntown records an average nighttime temperature of 72°F (22.2°C).

Heat index

In August, the heat index is evaluated at a hot 89.6°F (32°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
Heat index details are generally centered around shaded locations and a mild breeze. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.

Humidity

In August, the average relative humidity is 76%.

Rainfall

In Horntown, in August, during 12.4 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. Throughout the year, in Horntown, there are 128 rainfall days, and 16.1" (409mm) of precipitation is accumulated.

Snowfall

In Horntown, snow does not fall in April through October.

Daylight

The average length of the day in August in Horntown is 13h and 35min.
On the first day of the month, sunrise is at 6:05 am and sunset at 8:10 pm. On the last day of August, in Horntown, sunrise is at 6:31 am and sunset at 7:32 pm EDT.

Sunshine

In August, the average sunshine is 10.6h.

UV index

The months with the highest UV index 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 rays for the ordinary person.
Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

How hot does it get in Horntown in August?

In August, the average high-temperature and low-temperature in Horntown are 82.4°F (28°C) and 72°F (22.2°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 89.6°F (32°C).

What is the average humidity in August in Horntown?

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

How many days does it rain in August in Horntown?

In Horntown, Virginia, in August, it is raining for 12.4 days, with typically 1.57" (40mm) of accumulated precipitation.

When it does not snow in Horntown?

April through October are months without snowfall in Horntown, Virginia.

How many hours of daylight does Horntown have in August?

The average day length in August is 13h and 35min.

When is the sunrise / sunset in August in Horntown?

On the first day of August, sunrise is at 6:05 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 7:32 pm EDT.

How many hours of sunshine does Horntown have in August?

In Horntown, the average sunshine duration in August is 10.6h.

What are the months with the highest UV index in Horntown?

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

What is the UV index intensity in August in Horntown?

In Horntown, Virginia, the average daily maximum UV index in August is 6. A UV Index estimate 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
Horntown, VA

Average temperature in August - Horntown, VA
  • Average high temperature in August: 82.4°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (43.5°F).

  • Average low temperature in August: 72°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).

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Average pressure in August
Horntown, VA

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

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in August
Horntown, VA

Average wind speed in August - Horntown, VA
  • Average wind speed in August: 7.9mph

The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is August (7.9mph).

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Average humidity in August
Horntown, VA

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

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is January (73%).

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Average rainfall in August
Horntown, VA

Average rainfall in August - Horntown, VA
  • Average rainfall in August: 1.57"

The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is May (1.06").

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Average rainfall days in August
Horntown, VA

Average rainfall days in August - Horntown, VA
  • Average rainfall days in August: 12.4 days

The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is November (7.9 days).

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Average snowfall in August
Horntown, VA

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

The month with the highest snowfall is March (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in August
Horntown, VA

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

The months with the highest number of snowfall days are January and February (1.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in August / Average sunshine in August - Horntown, VA
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
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: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in August
Horntown, VA

Average sunshine days in August - Horntown, VA
  • Average sunshine days in August: 15.3 days

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (14.7 days).

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Average UV index in August
Horntown, VA

Average UV index in August - Horntown, 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
Horntown, VA

Average cloud cover in August - Horntown, VA
  • Average cloud cover in August: 27

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in August
Horntown, VA

Average visibility in August - Horntown, 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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Horntown, Virginia, USA

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