June weather forecast
Chantilly, VA

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Weather in June

The first month of the summer, June, is still a warm month in Chantilly, Virginia, with an average temperature ranging between max 82.9°F (28.3°C) and min 62.6°F (17°C).

Temperature

Observing a minor shift, the average high-temperature during June adjusts from May's 75°F (23.9°C) to a still moderately hot 82.9°F (28.3°C). Throughout June, an average low-temperature of 62.6°F (17°C) is experienced in Chantilly.

Heat index

In June, the average heat index is appraised at a hot 89.6°F (32°C). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.
Always consider that heat index estimations are for light winds and places in the shade. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

In June, the average relative humidity is 73%.

Rainfall

In Chantilly, during June, the rain falls for 14.3 days and regularly aggregates up to 2.44" (62mm) of precipitation. In Chantilly, during the entire year, the rain falls for 156 days and collects up to 31.18" (792mm) of precipitation.

Snowfall

In Chantilly, snow does not fall in May through October.

Daylight

June has the longest days of the year in Chantilly, with an average of 14h and 54min of daylight.
On the first day of June, sunrise is at 5:45 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:39 pm EDT.

Sunshine

The average sunshine in June is 10.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: An average UV index of 6 in June transforms into this advice:
Shield from overexposure. Defense against sun-related harm is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in June?

The high-temperature during June is 82.9°F (28.3°C) and the low-temperature is 62.6°F (17°C). In June, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 89.6°F (32°C).

What is the average humidity in June?

In June, the average relative humidity is 73%.

How many days does it rain in June?

In Chantilly, Virginia, in June, during 14.3 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.

When it does not snow in Chantilly?

May through October are months without snowfall.

When are the longest days?

With an average of 14h and 54min of daylight, June has the longest days of the year.

How many hours of daylight does Chantilly have in June?

In June, the average day length is 14h and 51min.

When are sunrise and sunset in June?

In June, on the first day of the month, sunrise is at 5:45 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:39 pm EDT.

How long on average sun shines in June?

In Chantilly, the average sunshine duration in June is 10.1h.

What is the month with the highest UV index?

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

How high is the UV index in June in Chantilly?

The average daily maximum UV index in June is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's 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 June
Chantilly, VA

Average temperature in June - Chantilly, VA
  • Average high temperature in June: 82.9°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in June: 62.6°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

Average pressure in June
Chantilly, VA

Average pressure in June - Chantilly, VA
  • Average pressure in June: 29.95"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 June
Chantilly, VA

Average wind speed in June - Chantilly, VA
  • Average wind speed in June: 5.5mph

The windiest months (with the highest average wind speed) are March and April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in June
Chantilly, VA

Average humidity in June - Chantilly, VA
  • Average humidity in June: 73%

The months with the highest relative humidity are October and December (77%).
The month with the lowest relative humidity is July (71%).

Average rainfall in June
Chantilly, VA

Average rainfall in June - Chantilly, VA
  • Average rainfall in June: 2.44"

The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in June
Chantilly, VA

Average rainfall days in June - Chantilly, VA
  • Average rainfall days in June: 14.3 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in June
Chantilly, VA

Average snowfall in June - Chantilly, VA
  • Average snowfall in June: 0"

The month with the highest snowfall is January (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in June
Chantilly, VA

Average snowfall days in June - Chantilly, VA
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in June /
Average sunshine in June
Chantilly, VA

Average daylight in June / Average sunshine in June - Chantilly, VA
  • Average daylight in June: 14h and 5min

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 June: 10h and 1min

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 6min).

Average sunshine days in June
Chantilly, VA

Average sunshine days in June - Chantilly, VA
  • Average sunshine days in June: 14.1 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (12.1 days).

Average UV index in June
Chantilly, VA

Average UV index in June - Chantilly, VA
  • Average UV index in June: 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 June
Chantilly, VA

Average cloud cover in June - Chantilly, VA
  • Average cloud cover in June: 34

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 June
Chantilly, VA

Average visibility in June - Chantilly, VA
  • Average visibility in June: 6mi

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

Chantilly, Virginia, USA

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