August weather forecast
Big Branch, WV

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Weather in August

The last month of the summer, August, is another warm month in Big Branch, West Virginia, with an average temperature fluctuating between 82°F (27.8°C) and 58.5°F (14.7°C).

Temperature

The introduction of August sees an average high-temperature of a still moderately hot 82°F (27.8°C), hardly deviating from July. A dramatic downturn marks the August nights in Big Branch, with lows averaging at a moderate 58.5°F (14.7°C).

Heat index

During August, the heat index is evaluated at a hot 87.8°F (31°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.
One should consider that heat index numbers are for shaded settings and light wind. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

The months with the lowest humidity are July, August and November, with an average relative humidity of 76%.

Rainfall

In Big Branch, during August, the rain falls for 16.1 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Big Branch, during the entire year, the rain falls for 172.5 days and collects up to 29.41" (747mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 34min.
On the first day of August, sunrise is at 6:31 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 7:57 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 are June and August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 6 in August translates into this advice:
Deflect overexposure. Sun protection is a necessity. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average August temperature?

The high-temperature during August is 82°F (27.8°C) and the low-temperature is 58.5°F (14.7°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is evaluated at 87.8°F (31°C).

What is the least humid month?

July, August and November, with an average relative humidity of 76%, are the least humid months.

What is the average humidity in August?

The average relative humidity in August is 76%.

How much does it rain in Big Branch in August?

In Big Branch, in August, during 16.1 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

When it does not snow?

In Big Branch, snow does not fall in June through September.

What is the average length of the day in August?

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

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 6:31 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 7:57 pm EDT.

What month has the most sunshine in Big Branch?

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

How long on average sun shines in August?

The average sunshine duration in August is 10.1h.

When is the highest UV index?

The months with the highest UV index are June and August, with an average maximum UV index of 6.

How high is the UV index in August in Big Branch?

In August, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Big Branch, WV

Average temperature in August - Big Branch, WV
  • Average high temperature in August: 82°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 (39.2°F).

  • Average low temperature in August: 58.5°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average pressure in August
Big Branch, WV

Average pressure in August - Big Branch, 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).

Average wind speed in August
Big Branch, WV

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

The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in August
Big Branch, WV

Average humidity in August - Big Branch, WV
  • Average humidity in August: 76%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are July, August and November (76%).

Average rainfall in August
Big Branch, WV

Average rainfall in August - Big Branch, WV
  • Average rainfall in August: 2.28"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in August
Big Branch, WV

Average rainfall days in August - Big Branch, WV
  • Average rainfall days in August: 16.1 days

The month with the highest number of rainy days is May (19.7 days).
The months with the least rainy days are January and November (10.1 days).

Average snowfall in August
Big Branch, WV

Average snowfall in August - Big Branch, WV
  • Average snowfall in August: 0"

The month with the highest snowfall is December (4.41").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Big Branch, WV

Average snowfall days in August - Big Branch, WV
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Big Branch, WV

Average daylight in August / Average sunshine in August - Big Branch, 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).

Average sunshine days in August
Big Branch, WV

Average sunshine days in August - Big Branch, WV
  • Average sunshine days in August: 12.2 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is May (9.2 days).

Average UV index in August
Big Branch, WV

Average UV index in August - Big Branch, 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 and December (UV index 2).

Average cloud cover in August
Big Branch, WV

Average cloud cover in August - Big Branch, WV
  • Average cloud cover in August: 36

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June and August (Cloud cover 36).

Average visibility in August
Big Branch, WV

Average visibility in August - Big Branch, 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).

Big Branch, West Virginia, USA

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