June weather forecastUnionville, VA
June
Weather in June
The first month of the summer, June, is still a warm month in Unionville, Virginia, with temperature in the range of an average low of 61.7°F (16.5°C) and an average high of 83.8°F (28.8°C).Temperature
The shift into June is accompanied by a modest temperature increase, with the average high-temperature edging up from 75.6°F (24.2°C) in May to a still moderately hot 83.8°F (28.8°C). A dramatic downturn marks the June nights, with lows averaging at a refreshing 61.7°F (16.5°C).Heat index
June's mean heat index is estimated at a tropical 91.4°F (33°C). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.Records show heat index calculations are tailored for shaded regions and mild winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
In Unionville, the average relative humidity in June is 72%.Rainfall
In June, the rain falls for 14.4 days. Throughout June, 2.4" (61mm) of precipitation is accumulated. Throughout the year, there are 158.3 rainfall days, and 28.5" (724mm) of precipitation is accumulated.Snowfall
In Unionville, snow does not fall in May through October.Daylight
The month with the longest days is June, with an average of 14h and 48min of daylight.On the first day of the month, sunrise is at 5:49 am and sunset at 8:29 pm. On the last day of June, sunrise is at 5:52 am and sunset at 8:39 pm EDT.
Sunshine
The average sunshine in June is 10.6h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.Note: In June, the maximum UV index of 6 suggests this advice:
Fend off overexposure. Sun protection is vital. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Unionville, VA
- Average high temperature in June: 83.8°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in June: 61.7°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in June
Unionville, VA
- Average pressure in June: 29.96"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 June
Unionville, VA
- Average wind speed in June: 5.2mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in June
Unionville, 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 (71%).
Average rainfall in June
Unionville, VA
- Average rainfall in June: 2.4"
The wettest month (with the highest rainfall) is April (2.95").
The driest months (with the least rainfall) are January and September (1.85").
Average rainfall days in June
Unionville, VA
- Average rainfall days in June: 14.4 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in June
Unionville, VA
- Average snowfall in June: 0"
The month with the highest snowfall is January (2.99").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Unionville, VA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (4.9 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
Unionville, VA
- Average daylight in June: 14h and 48min
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 36min).
- Average sunshine in June: 10h and 36min
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 18min).
Average sunshine days in June
Unionville, VA
- Average sunshine days in June: 13.1 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in June
Unionville, 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
Unionville, VA
- Average cloud cover in June: 31
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in June
Unionville, VA
- Average visibility in June: 6mi
The months with the highest visibility are February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, May and September (5mi).





