August weather forecast
Herndon Heights, WV

Share

Weather in August

August, the last month of the summer in Herndon Heights, is another warm month, with an average temperature varying between 58.5°F (14.7°C) and 82°F (27.8°C).

Temperature

Herndon Heights's shift into August is marked by a subtle change to a still moderately hot 82°F (27.8°C) from July's 82.8°F (28.2°C) in temperature. In August, Herndon Heights experiences a significant drop from daily zeniths to an average nighttime temperature of 58.5°F (14.7°C).

Heat index

During August, the heat index is computed to be a tropical 87.8°F (31°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
Note that heat index values are valued for light wind and location in the shade. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.

Humidity

June through August and November, with an average relative humidity of 77%, are the least humid months.

Rainfall

In Herndon Heights, in August, it is raining for 15.6 days, with typically 2.13" (54mm) of accumulated precipitation. In Herndon Heights, during the entire year, the rain falls for 180.7 days and collects up to 32.24" (819mm) of precipitation.

Snowfall

June through September are months without snowfall in Herndon Heights.

Daylight

In Herndon Heights, the average length of the day in August is 13h and 34min.
On the first day of August in Herndon Heights, sunrise is at 6:30 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 7:55 pm EDT.

Sunshine

With an average of 10.1h of sunshine, August has the most sunshine of the year in Herndon Heights.

UV index

The months with the highest UV index in Herndon Heights are June and August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average maximum UV index of 6 in August leads to these recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
[Resources]

Frequently asked questions

What is the average August temperature in Herndon Heights?

August temperatures in Herndon Heights, West Virginia, vary between a high-temperature of 82°F (27.8°C) and a low-temperature of 58.5°F (14.7°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in August is computed to be 87.8°F (31°C).

What are the least humid months in Herndon Heights?

The months with the lowest humidity are June through August and November, with an average relative humidity of 77%.

What is the average humidity in August in Herndon Heights?

In Herndon Heights, West Virginia, the average relative humidity in August is 77%.

How many days does it rain in August in Herndon Heights?

In August, the rain falls for 15.6 days. Throughout August, 2.13" (54mm) of precipitation is accumulated.

When it does not snow in Herndon Heights?

In Herndon Heights, snow does not fall in June through September.

What is the average length of the day in August in Herndon Heights?

In August, the average day length in Herndon Heights, West Virginia, is 13h and 34min.

What time are sunrise and sunset in August in Herndon Heights?

In August, on the first day of the month, sunrise is at 6:30 am and sunset at 8:33 pm. On the last day of the month, in Herndon Heights, West Virginia, sunrise is at 6:55 am and sunset at 7:55 pm EDT.

What month has the most sunshine in Herndon Heights?

With an average of 10.1h of sunshine, August has the most sunshine of the year.

How many hours of sunshine does Herndon Heights have in August?

In Herndon Heights, West Virginia, the average sunshine duration in August is 10.1h.

What is the month with the highest UV index in Herndon Heights?

The months with the highest UV index in Herndon Heights, West Virginia, are June and August, with an average maximum UV index of 6.

What is the UV index intensity in August in Herndon Heights?

In August, the average daily maximum UV index in Herndon Heights is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
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
Herndon Heights, WV

Average temperature in August - Herndon Heights, WV
  • Average high temperature in August: 82°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in August: 58.5°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

[Resources]

Average pressure in August
Herndon Heights, WV

Average pressure in August - Herndon Heights, WV
  • Average pressure in August: 30.03"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

[Resources]

Average wind speed in August
Herndon Heights, WV

Average wind speed in August - Herndon Heights, WV
  • Average wind speed in August: 4.2mph

The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

[Resources]

Average humidity in August
Herndon Heights, WV

Average humidity in August - Herndon Heights, WV
  • Average humidity in August: 77%

The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).

[Resources]

Average rainfall in August
Herndon Heights, WV

Average rainfall in August - Herndon Heights, WV
  • Average rainfall in August: 2.13"

The wettest months (with the highest rainfall) are February and May (3.43").
The driest month (with the least rainfall) is September (1.57").

[Resources]

Average rainfall days in August
Herndon Heights, WV

Average rainfall days in August - Herndon Heights, WV
  • Average rainfall days in August: 15.6 days

The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is November (11.3 days).

[Resources]

Average snowfall in August
Herndon Heights, WV

Average snowfall in August - Herndon Heights, WV
  • Average snowfall in August: 0"

The month with the highest snowfall is February (6.02").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in August
Herndon Heights, WV

Average snowfall days in August - Herndon Heights, WV
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in August /
Average sunshine in August
Herndon Heights, WV

Average daylight in August / Average sunshine in August - Herndon Heights, WV
  • 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 August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

[Resources]

Average sunshine days in August
Herndon Heights, WV

Average sunshine days in August - Herndon Heights, WV
  • Average sunshine days in August: 12.8 days

The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is February (8.3 days).

[Resources]

Average UV index in August
Herndon Heights, WV

Average UV index in August - Herndon Heights, WV
  • Average UV index in August: 6

The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

[Resources]

Average cloud cover in August
Herndon Heights, WV

Average cloud cover in August - Herndon Heights, WV
  • Average cloud cover in August: 36

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 36).

[Resources]

Average visibility in August
Herndon Heights, WV

Average visibility in August - Herndon Heights, WV
  • Average visibility in August: 5mi

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

[Resources]

Herndon Heights, West Virginia, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location