July weather forecast
Chesterfield, VA

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Weather in July

July in Chesterfield, Virginia, is a tropical summer month, with an average temperature ranging between max 90.7°F (32.6°C) and min 70.3°F (21.3°C).

Temperature

July tends to be the warmest month, with temperatures averaging a daily high of 90.7°F (32.6°C) and a low of 70.3°F (21.3°C).

Heat index

For July, the heat index is evaluated at a blisteringly hot 105.8°F (41°C). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

The least humid month is July, with an average relative humidity of 68%.

Rainfall

In Chesterfield, in July, it is raining for 14.3 days, with typically 1.73" (44mm) of accumulated precipitation. In Chesterfield, during the entire year, the rain falls for 143.2 days and collects up to 22.36" (568mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Chesterfield, the average length of the day in July is 14h and 26min.
On the first day of July, sunrise is at 5:53 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:18 pm EDT.

Sunshine

The month with the most sunshine is July, with an average of 10.7h of sunshine.

UV index

June through August, with an average maximum UV index of 7, are months with the highest UV index in Chesterfield. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 7 during July translates into the following directions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest?

Chesterfield's temperatures peak on average in July, reaching 90.7°F (32.6°C) at their highest and 70.3°F (21.3°C) at their lowest.

How hot does it get in July?

In July, in Chesterfield, the average high-temperature is 90.7°F (32.6°C), and the average low-temperature is 70.3°F (21.3°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 105.8°F (41°C).

What is the least humid month?

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

What is the average humidity in July?

In Chesterfield, the average relative humidity in July is 68%.

How many days does it rain in July?

In Chesterfield, in July, during 14.3 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Chesterfield have in July?

In July, the average day length is 14h and 26min.

When are sunrise and sunset in July?

On the first day of July, sunrise is at 5:53 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:18 pm EDT.

What month has the most sunshine?

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

How long on average sun shines in July?

In Chesterfield, the average sunshine duration in July is 10.7h.

What are the months with the highest UV index in Chesterfield?

June through August, with an average maximum UV index of 7, are months with the highest UV index.

How high is the UV index in July?

The average daily maximum UV index in July is 7. A UV Index reading of 6 to 7 represents a high health vulnerability 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 July
Chesterfield, VA

Average temperature in July - Chesterfield, 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 (45°F).

  • Average low temperature in July: 70.3°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

Average pressure in July
Chesterfield, VA

Average pressure in July - Chesterfield, 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 (29.96"Hg).

Average wind speed in July
Chesterfield, VA

Average wind speed in July - Chesterfield, VA
  • Average wind speed in July: 5.5mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in July
Chesterfield, VA

Average humidity in July - Chesterfield, 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
Chesterfield, VA

Average rainfall in July - Chesterfield, VA
  • Average rainfall in July: 1.73"

The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days in July
Chesterfield, VA

Average rainfall days in July - Chesterfield, VA
  • Average rainfall days in July: 14.3 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is November (8.6 days).

Average snowfall in July
Chesterfield, VA

Average snowfall in July - Chesterfield, VA
  • Average snowfall in July: 0"

The months with the highest snowfall are February and March (1.1").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in July
Chesterfield, VA

Average snowfall days in July - Chesterfield, VA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (3.2 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
Chesterfield, VA

Average daylight in July / Average sunshine in July - Chesterfield, VA
  • Average daylight in July: 14h and 2min

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 42min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in July
Chesterfield, VA

Average sunshine days in July - Chesterfield, VA
  • Average sunshine days in July: 14.8 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (12.8 days).

Average UV index in July
Chesterfield, VA

Average UV index in July - Chesterfield, VA
  • Average UV index in July: 7

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in July
Chesterfield, VA

Average cloud cover in July - Chesterfield, VA
  • Average cloud cover in July: 32

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in July
Chesterfield, VA

Average visibility in July - Chesterfield, VA
  • Average visibility in July: 6mi

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

Chesterfield, Virginia, USA

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