July weather forecast
Bon Air, VA

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Weather in July

July is a hot summer month in Bon Air, Virginia, with an average temperature fluctuating between 90.7°F (32.6°C) and 69.6°F (20.9°C).

Temperature

Bon Air's temperatures tend to reach their peak averages in July, with a high of 90.7°F (32.6°C) and a low of 69.6°F (20.9°C).

Heat index

The heat index value during July is appraised at a scorching 105.8°F (41°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

With an average relative humidity of 68%, July is the least humid month.

Rainfall

In Bon Air, in July, it is raining for 14.7 days, with typically 2.32" (59mm) of accumulated precipitation. In Bon Air, during the entire year, the rain falls for 151.1 days and collects up to 26.22" (666mm) of precipitation.

Snowfall

In Bon Air, Virginia, snow does not fall in May through October.

Daylight

The average length of the day in July is 14h and 27min.
On the first day of the month, sunrise is at 5:53 am and sunset at 8:35 pm. On the last day of July, sunrise is at 6:14 am and sunset at 8:19 pm EDT.

Sunshine

With an average of 10.6h of sunshine, July has the most sunshine of the year.

UV index

With an average maximum UV index of 7, July is the month with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 7 in July translates into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year?

Bon Air's temperatures peak on average in July, reaching 90.7°F (32.6°C) at their highest and 69.6°F (20.9°C) at their lowest.

How hot is it in July?

The high-temperature, in July, in Bon Air, records 90.7°F (32.6°C), while the low-temperature is 69.6°F (20.9°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in July is appraised at 105.8°F (41°C).

What is the least humid month?

With an average relative humidity of 68%, July is the least humid month.

What is the average humidity in July?

In July, the average relative humidity is 68%.

How much does it rain in July?

In Bon Air, in July, during 14.7 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

When it does not snow?

In Bon Air, snow does not fall in May through October.

What is the average length of the day in July?

The average day length in July is 14h and 27min.

What time are sunrise and sunset in July in Bon Air?

In July, on the first day of the month, sunrise is at 5:53 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:19 pm EDT.

What month has the most sunshine?

With an average of 10.6h of sunshine, July has the most sunshine of the year.

How long on average sun shines in July?

In Bon Air, the average sunshine duration in July is 10.6h.

When is the highest UV index?

July is the month with the highest UV index, with an average maximum UV index of 7.

How high is the UV index in July?

The average daily maximum UV index in July is 7. A UV Index value 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 July
Bon Air, VA

Average temperature in July - Bon Air, VA
  • Average high temperature in July: 90.7°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in July: 69.6°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in July
Bon Air, VA

Average pressure in July - Bon Air, VA
  • Average pressure in July: 29.98"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).

Average wind speed in July
Bon Air, VA

Average wind speed in July - Bon Air, VA
  • Average wind speed in July: 5.4mph

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in July
Bon Air, VA

Average humidity in July - Bon Air, VA
  • Average humidity in July: 68%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (68%).

Average rainfall in July
Bon Air, VA

Average rainfall in July - Bon Air, VA
  • Average rainfall in July: 2.32"

The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in July
Bon Air, VA

Average rainfall days in July - Bon Air, VA
  • Average rainfall days in July: 14.7 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in July
Bon Air, VA

Average snowfall in July - Bon Air, VA
  • Average snowfall in July: 0"

The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Bon Air, VA

Average snowfall days in July - Bon Air, VA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (3.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in July /
Average sunshine in July
Bon Air, VA

Average daylight in July / Average sunshine in July - Bon Air, VA
  • Average daylight in July: 14h and 3min

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 July: 10h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in July
Bon Air, VA

Average sunshine days in July - Bon Air, VA
  • Average sunshine days in July: 14.4 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.9 days).

Average UV index in July
Bon Air, VA

Average UV index in July - Bon Air, VA
  • Average UV index in July: 7

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in July
Bon Air, VA

Average cloud cover in July - Bon Air, VA
  • Average cloud cover in July: 31

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in July
Bon Air, VA

Average visibility in July - Bon Air, VA
  • Average visibility in July: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

Bon Air, Virginia, USA

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