June weather forecast
Fairfax Station, VA

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Weather in June

The first month of the summer, June, is still a warm month in Fairfax Station, Virginia, with an average temperature fluctuating between 82.9°F (28.3°C) and 63.5°F (17.5°C).

Temperature

June brings a slight increase in the average high-temperature, progressing from 74.8°F (23.8°C) in May to a still moderately hot 82.9°F (28.3°C). An average low-temperature of 63.5°F (17.5°C) is observed during June nights in Fairfax Station, Virginia.

Heat index

The heat index for June is evaluated at a hot 89.6°F (32°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.
Heat index values are typically calculated for conditions of shade and a light breeze. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

In Fairfax Station, the average relative humidity in June is 73%.

Rainfall

In Fairfax Station, in June, during 16.1 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. In Fairfax Station, Virginia, during the entire year, the rain falls for 166.5 days and collects up to 32.76" (832mm) of precipitation.

Snowfall

In Fairfax Station, snow does not fall in May through October.

Daylight

With an average of 14h and 48min of daylight, June has the longest days of the year in Fairfax Station, Virginia.
On the first day of the month, sunrise is at 5:45 am and sunset at 8:28 pm. On the last day of June, in Fairfax Station, sunrise is at 5:47 am and sunset at 8:38 pm EDT.

Sunshine

In June, the average sunshine in Fairfax Station is 10.3h.

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 risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum daily UV index of 6 during June morphs into the following directions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

How hot is June in Fairfax Station?

The high-temperature in Fairfax Station during June is 82.9°F (28.3°C) and the low-temperature is 63.5°F (17.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in June is evaluated at 89.6°F (32°C).

What is the average humidity in June in Fairfax Station?

In Fairfax Station, the average relative humidity in June is 73%.

How many days does it rain in June in Fairfax Station?

In Fairfax Station, Virginia, in June, during 16.1 rainfall days, 2.8" (71mm) of precipitation is typically accumulated.

When it does not snow in Fairfax Station?

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

When are the longest days in Fairfax Station?

The month with the longest days in Fairfax Station, Virginia, is June, with an average of 14h and 48min of daylight.

How many hours of daylight does Fairfax Station have in June?

The average day length in June is 14h and 50min.

What time are sunrise and sunset in June in Fairfax Station?

In June, on the first day of the month, sunrise is at 5:45 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:38 pm EDT.

How long on average sun shines in June in Fairfax Station?

In Fairfax Station, the average sunshine duration in June is 10.3h.

When is the highest UV index in Fairfax Station?

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

What is the UV index reading in June in Fairfax Station?

In Fairfax Station, the average daily maximum UV index in June is 6. A UV Index estimate 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 June
Fairfax Station, VA

Average temperature in June - Fairfax Station, VA
  • Average high temperature in June: 82.9°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 (40.5°F).

  • Average low temperature in June: 63.5°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

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Average pressure in June
Fairfax Station, VA

Average pressure in June - Fairfax Station, 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
Fairfax Station, VA

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

The windiest month (with the highest average wind speed) is March (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity in June
Fairfax Station, VA

Average humidity in June - Fairfax Station, 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%).

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Average rainfall in June
Fairfax Station, VA

Average rainfall in June - Fairfax Station, VA
  • Average rainfall in June: 2.8"

The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (2.09").

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Average rainfall days in June
Fairfax Station, VA

Average rainfall days in June - Fairfax Station, VA
  • Average rainfall days in June: 16.1 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is November (9.3 days).

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Average snowfall in June
Fairfax Station, VA

Average snowfall in June - Fairfax Station, 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").

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Average snowfall days in June
Fairfax Station, VA

Average snowfall days in June - Fairfax Station, VA
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (5.2 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
Fairfax Station, VA

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

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 June: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 12min).

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Average sunshine days in June
Fairfax Station, VA

Average sunshine days in June - Fairfax Station, VA
  • Average sunshine days in June: 12.3 days

The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are May and July (10.5 days).

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Average UV index in June
Fairfax Station, VA

Average UV index in June - Fairfax Station, 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
Fairfax Station, VA

Average cloud cover in June - Fairfax Station, VA
  • Average cloud cover in June: 33

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in June
Fairfax Station, VA

Average visibility in June - Fairfax Station, 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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Fairfax Station, Virginia, USA

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