August weather forecast
Bristol, WV

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Weather in August

August, the last month of the summer in Bristol, is another warm month, with an average temperature fluctuating between 59.9°F (15.5°C) and 82.6°F (28.1°C).

Temperature

Bristol experiences a subtle adjustment in high-temperatures to a still warm 82.6°F (28.1°C) with the onset of August, maintaining near parity with July's 83.8°F (28.8°C). During August, Bristol's temperature records a considerable difference from its daily highs to an average low of 59.9°F (15.5°C).

Heat index

The heat index value for August is estimated at a tropical 89.6°F (32°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.
Heat index readings emphasize conditions of light breezes and shaded spots. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', comes about by integrating the temperature readings with the humidity levels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. 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 are primarily vital for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

In Bristol, in August, it is raining for 16.8 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, in Bristol, there are 186.8 rainfall days, and 38.7" (983mm) of precipitation is accumulated.

Snowfall

In Bristol, West Virginia, snow does not fall in June through September.

Daylight

In August, the average length of the day is 13h and 40min.
On the first day of August in Bristol, sunrise is at 6:22 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 7:53 pm EDT.

Sunshine

August has the most sunshine of the year in Bristol, with an average of 10h of sunshine.

UV index

The months with the highest UV index in Bristol are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In August, an average UV index of 6 transforms into the following instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. 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. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in Bristol in August?

In Bristol, 82.6°F (28.1°C) is the average high-temperature and 59.9°F (15.5°C) is the average low-temperature during August. In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is estimated at 89.6°F (32°C).

What are the least humid months in Bristol?

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

What is the average humidity in August in Bristol?

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

How much does it rain in Bristol in August?

In Bristol, in August, it is raining for 16.8 days, with typically 2.6" (66mm) of accumulated precipitation.

When it does not snow in Bristol?

June through September are months without snowfall.

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

The average day length in August in Bristol, West Virginia, is 13h and 40min.

What time are sunrise and sunset in August in Bristol?

On the first day of August in Bristol, sunrise is at 6:22 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 7:53 pm EDT.

What month has the most sunshine in Bristol?

With an average of 10h of sunshine, August has the most sunshine of the year in Bristol.

How many hours of sunshine does Bristol have in August?

In Bristol, the average sunshine duration in August is 10h.

What is the month with the highest UV index in Bristol?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Bristol.

What is the UV index intensity in August in Bristol?

In August, the average daily maximum UV index in Bristol is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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
Bristol, WV

Average temperature in August - Bristol, WV
  • Average high temperature in August: 82.6°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36.1°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 (23°F).

Average pressure in August
Bristol, WV

Average pressure in August - Bristol, WV
  • Average pressure in August: 30.01"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in August
Bristol, WV

Average wind speed in August - Bristol, WV
  • Average wind speed in August: 4mph

The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in August
Bristol, WV

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

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

Average rainfall in August
Bristol, WV

Average rainfall in August - Bristol, WV
  • Average rainfall in August: 2.6"

The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is September (2.24").

Average rainfall days in August
Bristol, WV

Average rainfall days in August - Bristol, WV
  • Average rainfall days in August: 16.8 days

The month with the highest number of rainy days is May (20.6 days).
The month with the least rainy days is November (11.4 days).

Average snowfall in August
Bristol, WV

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

The month with the highest snowfall is January (7.44").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Bristol, WV

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

The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Bristol, 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 30min).

  • Average sunshine in August: 10h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in August
Bristol, WV

Average sunshine days in August - Bristol, WV
  • Average sunshine days in August: 11.3 days

The month with the most sunshine days is November (14.9 days).
The month with the least sunshine days is January (7.4 days).

Average UV index in August
Bristol, WV

Average UV index in August - Bristol, WV
  • Average UV index in August: 6

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

Average cloud cover in August
Bristol, WV

Average cloud cover in August - Bristol, 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).

Average visibility in August
Bristol, WV

Average visibility in August - Bristol, 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).

Bristol, West Virginia, USA

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