June weather forecast
Castleton, VA

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Weather in June

The first month of the summer, June, is also a moderately hot month in Castleton, Virginia, with temperature in the range of an average low of 61.3°F (16.3°C) and an average high of 83.3°F (28.5°C).

Temperature

Castleton's weather shows a minor temperature rise with the arrival of June, moving from 75.2°F (24°C) in May to a still moderately hot 83.3°F (28.5°C). Nightly average temperatures in June reveal a significant dip from daytime highs, registering a consistent a refreshing 61.3°F (16.3°C).

Heat index

The heat index value during June is computed to be a tropical 89.6°F (32°C). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

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

Rainfall

In Castleton, during June, the rain falls for 13.5 days and regularly aggregates up to 2.17" (55mm) of precipitation. In Castleton, during the entire year, the rain falls for 144.4 days and collects up to 25.08" (637mm) of precipitation.

Snowfall

In Castleton, snow does not fall in June through October.

Daylight

With an average of 14h and 48min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 5:49 am and sunset at 8:31 pm. On the last day of June, sunrise is at 5:51 am and sunset at 8:40 pm EDT.

Sunshine

In June, the average sunshine is 10.4h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In June, a daily UV index of 6 turns into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in June?

In June, in Castleton, the average high-temperature is 83.3°F (28.5°C), and the average low-temperature is 61.3°F (16.3°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in June is computed to be 89.6°F (32°C).

What is the average humidity in June?

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

How many days does it rain in June?

In June, the rain falls for 13.5 days. Throughout June, 2.17" (55mm) of precipitation is accumulated.

When it does not snow?

In Castleton, Virginia, snow does not fall in June through October.

Does it snow in June?

In June, in Castleton, it doesn't snow. May is the latest month when it typically snows.

When are the longest days?

June has the longest days of the year, with an average of 14h and 48min of daylight.

How many hours of daylight does Castleton have in June?

The average day length in June is 14h and 49min.

What time are sunrise and sunset in June?

In June, on the first day of the month, sunrise is at 5:49 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 8:40 pm EDT.

How many hours of sunshine does Castleton have in June?

The average sunshine duration in June in Castleton is 10.4h.

When is the highest UV index?

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

What is the UV index reading in June?

The average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Castleton, VA

Average temperature in June - Castleton, VA
  • Average high temperature in June: 83.3°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 (41.4°F).

  • Average low temperature in June: 61.3°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in June
Castleton, VA

Average pressure in June - Castleton, 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
Castleton, VA

Average wind speed in June - Castleton, VA
  • Average wind speed in June: 5.3mph

The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in June
Castleton, VA

Average humidity in June - Castleton, 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 (72%).

Average rainfall in June
Castleton, VA

Average rainfall in June - Castleton, VA
  • Average rainfall in June: 2.17"

The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (1.46").

Average rainfall days in June
Castleton, VA

Average rainfall days in June - Castleton, VA
  • Average rainfall days in June: 13.5 days

The month with the highest number of rainy days is May (16.1 days).
The months with the least rainy days are January and November (8.3 days).

Average snowfall in June
Castleton, VA

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

The month with the highest snowfall is January (2.36").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in June
Castleton, VA

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

The months with the highest number of snowfall days are January and February (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in June / Average sunshine in June - Castleton, 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 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in June
Castleton, VA

Average sunshine days in June - Castleton, VA
  • Average sunshine days in June: 15 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (12.5 days).

Average UV index in June
Castleton, VA

Average UV index in June - Castleton, 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
Castleton, VA

Average cloud cover in June - Castleton, VA
  • Average cloud cover in June: 32

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in June
Castleton, VA

Average visibility in June - Castleton, VA
  • Average visibility in June: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

Castleton, Virginia, USA

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