August weather forecast
Valley Grove, WV

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Weather in August

The last month of the summer, August, is also a moderately hot month in Valley Grove, West Virginia, with an average temperature fluctuating between 60.1°F (15.6°C) and 81.5°F (27.5°C).

Temperature

August brings an average high-temperature of a still moderately hot 81.5°F (27.5°C), nearly identical to the preceding month. Throughout August, Valley Grove experiences a low-temperature average of 60.1°F (15.6°C).

Heat index

The heat index value for August is estimated at a hot 87.8°F (31°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

In August, the average relative humidity in Valley Grove is 78%.

Rainfall

In Valley Grove, West Virginia, in August, it is raining for 14.9 days, with typically 1.73" (44mm) of accumulated precipitation. In Valley Grove, during the entire year, the rain falls for 147 days and collects up to 19.57" (497mm) of precipitation.

Snowfall

In Valley Grove, snow does not fall in June through September.

Daylight

The average length of the day in August in Valley Grove is 13h and 43min.
On the first day of the month, sunrise is at 6:21 am and sunset at 8:35 pm. On the last day of August, in Valley Grove, sunrise is at 6:49 am and sunset at 7:55 pm EDT.

Sunshine

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

UV index

The months with the highest UV index in Valley Grove are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In August, the maximum UV index of 6 transforms into these recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. 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. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What is the temperature in August in Valley Grove?

August temperatures in Valley Grove, West Virginia, vary between a high-temperature of 81.5°F (27.5°C) and a low-temperature of 60.1°F (15.6°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is estimated at 87.8°F (31°C).

What is the average humidity in August in Valley Grove?

The average relative humidity in August in Valley Grove, West Virginia, is 78%.

How much does it rain in Valley Grove in August?

In Valley Grove, in August, it is raining for 14.9 days, with typically 1.73" (44mm) of accumulated precipitation.

When it does not snow in Valley Grove?

June through September are months without snowfall in Valley Grove.

What is the average length of the day in August in Valley Grove?

In Valley Grove, the average day length in August is 13h and 43min.

When is the sunrise / sunset in August in Valley Grove?

On the first day of August, sunrise is at 6:21 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 7:55 pm EDT.

What month has the most sunshine in Valley Grove?

August has the most sunshine of the year in Valley Grove, West Virginia, with an average of 10.1h of sunshine.

How long on average sun shines in August in Valley Grove?

In August, the average sunshine duration in Valley Grove, West Virginia, is 10.1h.

What is the month with the highest UV index in Valley Grove?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Valley Grove, West Virginia.

What is the UV index intensity in August in Valley Grove?

In August, the average daily maximum UV index in Valley Grove is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average max. wind speed
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
Valley Grove, WV

Average temperature in August - Valley Grove, WV
  • Average high temperature in August: 81.5°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in August: 60.1°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

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Average pressure in August
Valley Grove, WV

Average pressure in August - Valley Grove, WV
  • Average pressure in August: 30"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
Valley Grove, WV

Average wind speed in August - Valley Grove, WV
  • Average wind speed in August: 4.6mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

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Average humidity in August
Valley Grove, WV

Average humidity in August - Valley Grove, WV
  • Average humidity in August: 78%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in August
Valley Grove, WV

Average rainfall in August - Valley Grove, WV
  • Average rainfall in August: 1.73"

The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is January (1.02").

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Average rainfall days in August
Valley Grove, WV

Average rainfall days in August - Valley Grove, WV
  • Average rainfall days in August: 14.9 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (6.7 days).

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Average snowfall in August
Valley Grove, WV

Average snowfall in August - Valley Grove, WV
  • Average snowfall in August: 0"

The months with the highest snowfall are February and March (2.48").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Valley Grove, WV

Average snowfall days in August - Valley Grove, WV
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Valley Grove, WV

Average daylight in August / Average sunshine in August - Valley Grove, WV
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • 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: 3h and 0min).

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Average sunshine days in August
Valley Grove, WV

Average sunshine days in August - Valley Grove, WV
  • Average sunshine days in August: 13.8 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (9.9 days).

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Average UV index in August
Valley Grove, WV

Average UV index in August - Valley Grove, WV
  • Average UV index in August: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in August
Valley Grove, WV

Average cloud cover in August - Valley Grove, WV
  • Average cloud cover in August: 35

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in August
Valley Grove, WV

Average visibility in August - Valley Grove, WV
  • Average visibility in August: 5mi

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

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Valley Grove, West Virginia, USA

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