June weather forecastMountcastle, VA
June
Weather in June
June, the first month of the summer in Mountcastle, is also a moderately hot month, with an average temperature varying between 84.9°F (29.4°C) and 65.3°F (18.5°C).Temperature
June signals a minor shift in the average high-temperature, moving from May's 76.6°F (24.8°C) to a still moderately hot 84.9°F (29.4°C). Mountcastle experiences an average low-temperature of 65.3°F (18.5°C) in month of June.Heat index
In June, the average heat index is computed to be a tropical 93.2°F (34°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.Factoring in the heat index, values are geared towards shaded areas with light breezes. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. 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 highly critical for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
In June, the average relative humidity is 74%.Rainfall
In June, the rain falls for 15.9 days. Throughout June, 2.76" (70mm) of precipitation is accumulated. Throughout the year, there are 166.1 rainfall days, and 33.27" (845mm) of precipitation is accumulated.Snowfall
In Mountcastle, snow does not fall in May through October.Daylight
With an average of 14h and 42min of daylight, June has the longest days of the year.On the first day of June, sunrise is at 5:48 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:33 pm EDT.
Sunshine
In Mountcastle, the average sunshine in June is 10.3h.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 the ordinary person.Note: In June, the maximum UV index of 6 suggests this advice:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Mountcastle, VA
- Average high temperature in June: 84.9°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in June: 65.3°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in June
Mountcastle, 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
Mountcastle, VA
- Average wind speed in June: 6.1mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in June
Mountcastle, VA
- Average humidity in June: 74%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is July (73%).
Average rainfall in June
Mountcastle, VA
- Average rainfall in June: 2.76"
The wettest month (with the highest rainfall) is August (3.7").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in June
Mountcastle, VA
- Average rainfall days in June: 15.9 days
The month with the highest number of rainy days is May (18.4 days).
The months with the least rainy days are January and November (10.2 days).
Average snowfall in June
Mountcastle, VA
- Average snowfall in June: 0"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Mountcastle, VA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (3.3 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
Mountcastle, VA
- Average daylight in June: 14h and 42min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in June: 10h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in June
Mountcastle, VA
- Average sunshine days in June: 12.1 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in June
Mountcastle, 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 and December (UV index 2).
Average cloud cover in June
Mountcastle, 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 33).
Average visibility in June
Mountcastle, 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).
