Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Bristol marks the onset of August with an average high-temperature of a still warm 82.8°F (28.2°C), a subtle shift from July's 83.3°F (28.5°C). With a significant daily temperature differential, Bristol's nighttime temperature in August falls to an average of 59°F (15°C).Heat index
The heat index value during August is estimated at a tropical 89.6°F (32°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.Heat index determinations are made taking into account the shade and light air movements. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Humidity
In Bristol, Virginia, the average relative humidity in August is 76%.Rainfall
In Bristol, in August, during 13.9 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Bristol, Virginia, during the entire year, the rain falls for 159.3 days and collects up to 18.9" (480mm) of precipitation.Snowfall
In Bristol, snow does not fall in May through September.Daylight
In Bristol, Virginia, the average length of the day in August is 13h and 31min.On the first day of the month, sunrise is at 6:35 am and sunset at 8:34 pm. On the last day of August, sunrise is at 6:59 am and sunset at 7:57 pm EDT.
Sunshine
The months with the most sunshine are June and August, with an average of 10.5h of sunshine.UV index
The months with the highest UV index 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 unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 6 during August, leads to the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow in Bristol?
How many hours of daylight does Bristol have in August?
When are sunrise and sunset in August?
What are the months with the most sunshine?
How many hours of sunshine does Bristol have in August?
What are the months with the highest UV index in Bristol?
What is the UV index reading in August?
Average temperature in August
Bristol, VA
- Average high temperature in August: 82.8°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 (41°F).
- Average low temperature in August: 59°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 (26.4°F).
Average pressure in August
Bristol, VA
- 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
Bristol, VA
- Average wind speed in August: 3.9mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in August
Bristol, VA
- Average humidity in August: 76%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is November (75%).
Average rainfall in August
Bristol, VA
- Average rainfall in August: 1.42"
The wettest month (with the highest rainfall) is February (2.17").
The driest month (with the least rainfall) is September (0.87").
Average rainfall days in August
Bristol, VA
- Average rainfall days in August: 13.9 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in August
Bristol, VA
- Average snowfall in August: 0"
The month with the highest snowfall is December (3.27").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Bristol, VA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (8.6 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, VA
- Average daylight in August: 13h and 3min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in August: 10h and 3min
The months with the most sunshine are June and August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in August
Bristol, VA
- Average sunshine days in August: 13.5 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in August
Bristol, VA
- 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 and December (UV index 2).
Average cloud cover in August
Bristol, VA
- Average cloud cover in August: 30
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in August
Bristol, VA
- 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).
Bristol, Virginia, USA
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