August weather forecast
Swandale, WV

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Weather in August

August, the last month of the summer in Swandale, is also a moderately hot month, with an average temperature varying between 58.5°F (14.7°C) and 80.6°F (27°C).

Temperature

As Swandale steps into August, the average high-temperature is measured at a still moderately hot 80.6°F (27°C), displaying minor differences from July's 81.7°F (27.6°C). Against the backdrop of high daytime temperatures, an average low-temperature of 58.5°F (14.7°C) is noted during August nights.

Heat index

Throughout August, the heat index is calculated to be a tropical 86°F (30°C). Persistent activity under exposure might lead to a feeling of weariness, with subsequent heat cramps.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

June through August and November, with an average relative humidity of 78%, are the least humid months in Swandale, West Virginia.

Rainfall

In Swandale, during August, the rain falls for 15.1 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, there are 190.3 rainfall days, and 36.93" (938mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 37min.
On the first day of the month, sunrise is at 6:26 am and sunset at 8:33 pm. On the last day of August, sunrise is at 6:52 am and sunset at 7:54 pm EDT.

Sunshine

With an average of 10.2h of sunshine, August has the most sunshine of the year.

UV index

In Swandale, the average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 5 in August translates into these instructions:
Exercise prevention - Protecting skin and eyes from harm is required. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August?

The high-temperature, in August, in Swandale, records 80.6°F (27°C), while the low-temperature is 58.5°F (14.7°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in August is calculated to be 86°F (30°C).

What are the least humid months?

The months with the lowest humidity are June through August and November, with an average relative humidity of 78%.

What is the average humidity in August?

The average relative humidity in August is 78%.

How many days does it rain in August?

In August, the rain falls for 15.1 days. Throughout August, 2.2" (56mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Swandale have in August?

In August, the average day length is 13h and 37min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 6:26 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 7:54 pm EDT.

What month has the most sunshine?

The month with the most sunshine is August, with an average of 10.2h of sunshine.

How many hours of sunshine does Swandale have in August?

In Swandale, West Virginia, the average sunshine duration in August is 10.2h.

What is the UV index intensity in August?

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate health threat 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
Swandale, WV

Average temperature in August - Swandale, WV
  • Average high temperature in August: 80.6°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in August: 58.5°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

Average pressure in August
Swandale, WV

Average pressure in August - Swandale, WV
  • Average pressure in August: 30.02"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in August
Swandale, WV

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

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

Average humidity in August
Swandale, WV

Average humidity in August - Swandale, WV
  • Average humidity in August: 78%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are June, July, August and November (78%).

Average rainfall in August
Swandale, WV

Average rainfall in August - Swandale, WV
  • Average rainfall in August: 2.2"

The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in August
Swandale, WV

Average rainfall days in August - Swandale, WV
  • Average rainfall days in August: 15.1 days

The month with the highest number of rainy days is May (23.3 days).
The month with the least rainy days is November (12.2 days).

Average snowfall in August
Swandale, WV

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

The month with the highest snowfall is January (8.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Swandale, WV

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

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Swandale, WV

Average daylight in August / Average sunshine in August - Swandale, WV
  • 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 30min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in August
Swandale, WV

Average sunshine days in August - Swandale, WV
  • Average sunshine days in August: 13.9 days

The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (6.1 days).

Average UV index in August
Swandale, WV

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

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

Average cloud cover in August
Swandale, WV

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

The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in August
Swandale, WV

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

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).

Swandale, West Virginia, USA

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