August weather forecast
Dean, WV

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Weather in August

The last month of the summer, August, is another warm month in Dean, West Virginia, with temperature in the range of an average low of 59.9°F (15.5°C) and an average high of 82.8°F (28.2°C).

Temperature

August's advent notes a subtle adjustment in average high-temperature to a still warm 82.8°F (28.2°C) from July. Following the sharp contrast to daytime warmth, an average nighttime temperature of 59.9°F (15.5°C) gets registered during August.

Heat index

August's heat index is appraised at a tropical 89.6°F (32°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

The least humid month is August, with an average relative humidity of 77%.

Rainfall

In Dean, during August, the rain falls for 15.8 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, in Dean, there are 176.6 rainfall days, and 25.91" (658mm) of precipitation is accumulated.

Snowfall

In Dean, snow does not fall in May through October.

Daylight

The average length of the day in August is 13h and 41min.
On the first day of August in Dean, sunrise is at 6:22 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 7:54 pm EDT.

Sunshine

The month with the most sunshine in Dean, West Virginia, is August, with an average of 10.1h of sunshine.

UV index

In August, the average daily maximum UV index in Dean is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 5 in August translates into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

How hot is August in Dean?

The average high-temperature and low-temperature in Dean during August are 82.8°F (28.2°C) and 59.9°F (15.5°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in August is appraised at 89.6°F (32°C).

What is the least humid month in Dean?

August is the least humid month, with an average relative humidity of 77%.

What is the average humidity in August in Dean?

In Dean, the average relative humidity in August is 77%.

How many days does it rain in August in Dean?

In Dean, during August, the rain falls for 15.8 days and regularly aggregates up to 2.05" (52mm) of precipitation.

When it does not snow in Dean?

May through October are months without snowfall.

What is the average length of the day in August in Dean?

In August, the average day length is 13h and 41min.

When is the sunrise / sunset in August in Dean?

In August, on the first day of the month, sunrise is at 6:22 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 7:54 pm EDT.

What month has the most sunshine in Dean?

The month with the most sunshine is August, with an average of 10.1h of sunshine.

How long on average sun shines in August in Dean?

In August, the average sunshine duration is 10.1h.

How high is the UV index in August in Dean?

In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Dean, WV

Average temperature in August - Dean, WV
  • Average high temperature in August: 82.8°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in August: 59.9°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

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Average pressure in August
Dean, WV

Average pressure in August - Dean, 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
Dean, WV

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

The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in August
Dean, WV

Average humidity in August - Dean, WV
  • Average humidity in August: 77%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (77%).

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Average rainfall in August
Dean, WV

Average rainfall in August - Dean, WV
  • Average rainfall in August: 2.05"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days in August
Dean, WV

Average rainfall days in August - Dean, WV
  • Average rainfall days in August: 15.8 days

The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (10.2 days).

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Average snowfall in August
Dean, WV

Average snowfall in August - Dean, WV
  • Average snowfall in August: 0"

The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Dean, WV

Average snowfall days in August - Dean, WV
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (14.7 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
Dean, WV

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

The month with the longest days is June (Average daylight: 14h and 54min).
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 18min).

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Average sunshine days in August
Dean, WV

Average sunshine days in August - Dean, WV
  • Average sunshine days in August: 12.9 days

The month with the most sunshine days is November (16.9 days).
The months with the least sunshine days are January and February (8.7 days).

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Average UV index in August
Dean, WV

Average UV index in August - Dean, WV
  • Average UV index in August: 5

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

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Average cloud cover in August
Dean, WV

Average cloud cover in August - Dean, WV
  • Average cloud cover in August: 34

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in August
Dean, WV

Average visibility in August - Dean, WV
  • Average visibility in August: 5mi

The month with the highest visibility is November (6mi).
The month with the lowest visibility is January (4mi).

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Dean, West Virginia, USA

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