July weather forecast
Bull Run, VA

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Weather in July

July in Bull Run, Virginia, is a tropical summer month, with temperature in the range of an average high of 88.3°F (31.3°C) and an average low of 67.1°F (19.5°C).

Temperature

Bull Run notes the warmest temperatures in July, with a high average of 88.3°F (31.3°C) and a low of 67.1°F (19.5°C).

Heat index

During July, the heat index is evaluated at a sweltering 102.2°F (39°C). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

July is the least humid month, with an average relative humidity of 72%.

Rainfall

In Bull Run, in July, it is raining for 15.8 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, in Bull Run, there are 157.5 rainfall days, and 30.35" (771mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In July, the average length of the day in Bull Run is 14h and 34min.
On the first day of July, sunrise is at 5:49 am and sunset at 8:39 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:21 pm EDT.

Sunshine

With an average of 10.7h of sunshine, July has the most sunshine of the year.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: In July, a daily UV index of 6 turns into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the warmest months in Bull Run?

The warmest month is July, with an average high-temperature of 88.3°F (31.3°C) and an average low-temperature of 67.1°F (19.5°C).

Is it hot in Bull Run during July?

The high-temperature, in July, in Bull Run, is 88.3°F (31.3°C), while the low-temperature averages to 67.1°F (19.5°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is evaluated at 102.2°F (39°C).

What is the least humid month in Bull Run?

The least humid month in Bull Run, Virginia, is July, with an average relative humidity of 72%.

What is the average humidity in July in Bull Run?

The average relative humidity in July is 72%.

How many days does it rain in July in Bull Run?

In Bull Run, Virginia, in July, during 15.8 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

When it does not snow in Bull Run?

May through October are months without snowfall in Bull Run, Virginia.

How many hours of daylight does Bull Run have in July?

The average day length in July is 14h and 34min.

When are sunrise and sunset in July in Bull Run?

In July, on the first day of the month, sunrise is at 5:49 am and sunset at 8:39 pm. On the last day of the month, in Bull Run, Virginia, sunrise is at 6:11 am and sunset at 8:21 pm EDT.

What month has the most sunshine in Bull Run?

The month with the most sunshine in Bull Run, Virginia, is July, with an average of 10.7h of sunshine.

How many hours of sunshine does Bull Run have in July?

In July, the average sunshine duration is 10.7h.

What is the month with the highest UV index in Bull Run?

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

What is the UV index intensity in July in Bull Run?

The average daily maximum UV index in July in Bull Run, Virginia, is 6. A UV Index reading of 6 to 7 represents a high health threat from 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
Bull Run, VA

Average temperature in July - Bull Run, VA
  • Average high temperature in July: 88.3°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in July: 67.1°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

Average pressure in July
Bull Run, VA

Average pressure in July - Bull Run, VA
  • Average pressure in July: 29.97"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
Bull Run, VA

Average wind speed in July - Bull Run, VA
  • Average wind speed in July: 4.7mph

The windiest months (with the highest average wind speed) are March and April (7mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in July
Bull Run, VA

Average humidity in July - Bull Run, VA
  • Average humidity in July: 72%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (72%).

Average rainfall in July
Bull Run, VA

Average rainfall in July - Bull Run, VA
  • Average rainfall in July: 2.68"

The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in July
Bull Run, VA

Average rainfall days in July - Bull Run, VA
  • Average rainfall days in July: 15.8 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in July
Bull Run, VA

Average snowfall in July - Bull Run, VA
  • Average snowfall in July: 0"

The month with the highest snowfall is January (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Bull Run, VA

Average snowfall days in July - Bull Run, VA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (5.2 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
Bull Run, VA

Average daylight in July / Average sunshine in July - Bull Run, VA
  • Average daylight in July: 14h 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 July: 10h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 12min).

Average sunshine days in July
Bull Run, VA

Average sunshine days in July - Bull Run, VA
  • Average sunshine days in July: 12.2 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.7 days).

Average UV index in July
Bull Run, VA

Average UV index in July - Bull Run, VA
  • Average UV index in July: 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 July
Bull Run, VA

Average cloud cover in July - Bull Run, 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
Bull Run, VA

Average visibility in July - Bull Run, VA
  • Average visibility in July: 6mi

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

Bull Run, Virginia, USA

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