June weather forecast
Sterling, VA

Weather in June

The first month of the summer, June, is still a warm month in Sterling, Virginia, with an average temperature fluctuating between 62.4°F (16.9°C) and 82.8°F (28.2°C).

Temperature

In Sterling, the average high-temperature in June marginally rises from 75°F (23.9°C) in May to a still warm 82.8°F (28.2°C). In June, the average low-temperature is 62.4°F (16.9°C).

Heat index

In June, the average heat index is calculated to be a hot 88.3°F (31.3°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'real feel', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like clothing, metabolic differences, pregnancy, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Sterling, the average relative humidity in June is 72%.

Rainfall

In Sterling, during 14.8 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, in Sterling, there are 158.1 rainfall days, and 31.46" (799mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

June has the longest days of the year, with an average of 14h and 52min of daylight.
On the first day of June in Sterling, 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

In Sterling, the average sunshine in June is 10.1h.

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 unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 6 in June interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in June in Sterling?

In June, in Sterling, the average high-temperature is 82.8°F (28.2°C), and the average low-temperature is 62.4°F (16.9°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in June is calculated to be 88.3°F (31.3°C).

What is the average humidity in June in Sterling?

In June, the average relative humidity is 72%.

How many days does it rain in June in Sterling?

In Sterling, in June, during 14.8 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

When it does not snow in Sterling?

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

When are the longest days in Sterling?

The month with the longest days in Sterling is June, with an average of 14h and 52min of daylight.

How many hours of daylight does Sterling have in June?

In June, the average day length in Sterling, Virginia, is 14h and 52min.

What time are sunrise and sunset in June in Sterling?

On the first day of June in Sterling, Virginia, 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 Sterling?

The average sunshine duration in June is 10.1h.

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

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

What is the UV index reading in June in Sterling?

The average daily maximum UV index in June in Sterling, Virginia, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Sterling, VA

Average temperature in June - Sterling, VA
  • Average high temperature in June: 82.8°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in June: 62.4°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 (25.9°F).

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Average pressure in June
Sterling, VA

Average pressure in June - Sterling, 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).

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Average wind speed in June
Sterling, VA

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

The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in June
Sterling, VA

Average humidity in June - Sterling, VA
  • Average humidity in June: 72%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in June
Sterling, VA

Average rainfall in June - Sterling, VA
  • Average rainfall in June: 2.48"

The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in June
Sterling, VA

Average rainfall days in June - Sterling, VA
  • Average rainfall days in June: 14.8 days

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

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Average snowfall in June
Sterling, VA

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

The month with the highest snowfall is January (3.54").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in June
Sterling, VA

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

The months with the highest number of snowfall days are January and February (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in June / Average sunshine in June - Sterling, VA
  • Average daylight in June: 14h and 52min

The month with the longest days is June (Average daylight: 14h and 52min).
The month with the shortest days is December (Average daylight: 9h and 29min).

  • Average sunshine in June: 10h and 6min

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 0min).

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Average sunshine days in June
Sterling, VA

Average sunshine days in June - Sterling, VA
  • Average sunshine days in June: 13.6 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.8 days).

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Average UV index in June
Sterling, VA

Average UV index in June - Sterling, 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).

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Average cloud cover in June
Sterling, VA

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

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in June
Sterling, VA

Average visibility in June - Sterling, VA
  • Average visibility in June: 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).

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