June weather forecast
Jamestown, VA

Weather in June

June, the first month of the summer, in Jamestown, is also a moderately hot month, with average temperature fluctuating between 66.6°F (19.2°C) and 83.8°F (28.8°C).

Temperature

In Jamestown, the average high-temperature in June marginally rises, from 76.1°F (24.5°C) in May, to a still warm 83.8°F (28.8°C). In June, in Jamestown, the average low-temperature is 66.6°F (19.2°C).

Heat index

In June, the average heat index is calculated to be a tropical 91.4°F (33°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, pregnancy, differences in body mass, height, and shape), and 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 particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in Jamestown, Virginia, is 74%.

Rainfall

In Jamestown, in June, during 14.8 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 148.7 rainfall days, and 20.35" (517mm) of precipitation is accumulated.

Snowfall

In Jamestown, Virginia, snow does not fall in April through October.

Daylight

The month with the longest days is June, with an average of 14.7h of daylight.

Sunshine

In Jamestown, the average sunshine in June is 10.6h.

UV index

The month with the highest UV index is June, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 7 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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.
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FAQ

What is the temperature in June in Jamestown?

In June, the average high-temperature is 83.8°F (28.8°C), and the average low-temperature is 66.6°F (19.2°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, in June is calculated to be 91.4°F (33°C).

What is the average humidity in June in Jamestown?

In June, the average relative humidity in Jamestown, Virginia, is 74%.

How many days does it rain in June in Jamestown?

In Jamestown, in June, during 14.8 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

When it does not snow in Jamestown?

In Jamestown, Virginia, snow does not fall in April through October.

When are the longest days in Jamestown?

June has the longest days of the year, with an average of 14.7h of daylight.

What is the average length of the day in June in Jamestown?

In Jamestown, Virginia, the average length of the day in June is 14.7h.

How many hours of sunshine does Jamestown have in June?

In June, the average sunshine in Jamestown, Virginia, is 10.6h.

What is the month with the highest UV index in Jamestown?

The month with the highest UV index is June, with an average maximum UV index of 7.

What is the UV index reading in June in Jamestown?

The average daily maximum UV index in June in Jamestown, Virginia, is 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to the UV radiation.

Average temperature in June
Jamestown, VA

Average temperature in June - Jamestown, 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 (45.1°F).

  • Average low temperature in June: 66.6°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

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Average pressure in June
Jamestown, VA

Average pressure in June - Jamestown, VA
  • Average pressure in June: 29.95"

The month with the highest atmospheric pressure is November (30.14").
The month with the lowest atmospheric pressure is June (29.95").

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Average wind speed in June
Jamestown, VA

Average wind speed in June - Jamestown, VA
  • Average wind speed in June: 6.9mph

The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

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Average humidity in June
Jamestown, VA

Average humidity in June - Jamestown, VA
  • Average humidity in June: 74%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (73%).

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Average rainfall in June
Jamestown, VA

Average rainfall in June - Jamestown, VA
  • Average rainfall in June: 1.85"

The wettest month (with the highest rainfall) is August (2.36").
The driest months (with the least rainfall) are October and December (1.38").

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Average rainfall days in June
Jamestown, VA

Average rainfall days in June - Jamestown, VA
  • Average rainfall days in June: 14.8 days

The month with the highest number of rainy days is August (16.3 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in June
Jamestown, VA

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

The month with the highest snowfall is February (0.87").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in June
Jamestown, VA

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

The month with the highest number of snowfall days is January (3.1 days).
Months with the least snowfall days are May, June, July, August and October (0 days).

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

Average daylight in June / Average sunshine in June - Jamestown, VA
  • Average daylight in June: 14.7h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in June: 10.6h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 5.3h).

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Average sunshine days in June
Jamestown, VA

Average sunshine days in June - Jamestown, VA
  • Average sunshine days in June: 12.3 days

Months with the most sunshine days are October and November (19.7 days).
The month with the least sunshine days is August (12.2 days).

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Average UV index in June
Jamestown, VA

Average UV index in June - Jamestown, VA
  • Average UV index in June: 7

The month with the highest UV index is June (UV index 7).
Months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in June
Jamestown, VA

Average cloud cover in June - Jamestown, VA
  • Average cloud cover in June: 30

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in June
Jamestown, VA

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

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

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