Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
The onset of June introduces a subtle rise in the average high-temperature, nudging from 74.8°F (23.8°C) in May to a still warm 82.9°F (28.3°C). Reston's temperature drops to an average low of 63.3°F (17.4°C) during the nights of June.Heat index
For most parts of June, the heat index is calculated to be a tropical 89.6°F (32°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.When assessing, remember that heat index measurements are for light winds and shaded spots. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
The average relative humidity in June is 72%.Rainfall
In Reston, during June, the rain falls for 14.8 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Reston, during the entire year, the rain falls for 152.8 days and collects up to 27.64" (702mm) of precipitation.Snowfall
In Reston, snow does not fall in May through October.Daylight
With an average of 14h and 54min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 5:45 am and sunset at 8:29 pm. On the last day of June, in Reston, Virginia, sunrise is at 5:47 am and sunset at 8:39 pm EDT.
Sunshine
In Reston, Virginia, the average sunshine in June is 10.2h.UV index
The months with the highest UV index in Reston 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 exposure to the Sun's UV rays for average individuals.Note: During June, 6 as the daily maximum UV index converts into the following advice:
Guard oneself from overexposure. Defence against sun injury is vital. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
How hot does it get in Reston in June?
What is the average humidity in June in Reston?
How many days does it rain in June in Reston?
When it does not snow in Reston?
When are the longest days in Reston?
What is the average length of the day in June in Reston?
When are sunrise and sunset in June in Reston?
How long on average sun shines in June in Reston?
When is the highest UV index in Reston?
How high is the UV index in June in Reston?
Average temperature in June
Reston, VA
- Average high temperature in June: 82.9°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in June: 63.3°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 (26.4°F).
Average pressure in June
Reston, 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
Reston, VA
- Average wind speed in June: 5.7mph
The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in June
Reston, VA
- Average humidity in June: 72%
The months with the highest relative humidity are October and December (76%).
The month with the lowest relative humidity is July (69%).
Average rainfall in June
Reston, VA
- Average rainfall in June: 2.36"
The wettest month (with the highest rainfall) is August (3.39").
The driest month (with the least rainfall) is January (1.77").
Average rainfall days in June
Reston, VA
- Average rainfall days in June: 14.8 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in June
Reston, VA
- Average snowfall in June: 0"
The month with the highest snowfall is January (2.28").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Reston, VA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (4.6 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
Reston, 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 0min).
Average sunshine days in June
Reston, VA
- Average sunshine days in June: 13.4 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in June
Reston, 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
Reston, VA
- Average cloud cover in June: 33
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
Reston, 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).
Reston, Virginia, USA
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