June weather forecast
Mountain Island, NC

Weather in June

The first month of the summer, June, is a hot month in Mountain Island, North Carolina, with average temperature varying between 65.8°F (18.8°C) and 86.9°F (30.5°C).

Temperature

In June, the average high-temperature marginally rises, from a warm 79.2°F (26.2°C) in May, to a hot 86.9°F (30.5°C). The average low-temperature, in Mountain Island, is 65.8°F (18.8°C).

Heat index

In June, the average heat index is appraised at a torrid 97.9°F (36.6°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'felt air temperature', or 'apparent temperature', 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 (wind, differences in body mass, height, and shape, pregnancy), 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. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

The average relative humidity in June is 71%.

Rainfall

In June, in Mountain Island, the rain falls for 15.2 days. Throughout June, 2.36" (60mm) of precipitation is accumulated. Throughout the year, there are 158.9 rainfall days, and 31.26" (794mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Mountain Island.

Daylight

With an average of 14.5h of daylight, June has the longest days of the year in Mountain Island.

Sunshine

In June, the average sunshine in Mountain Island is 10.7h.

UV index

Months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV rays for ordinary individuals.
Note: In June, the average maximum UV index of 6 translate into the following recommendations:
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 Mountain Island?

In Mountain Island, in June, the average high-temperature is 86.9°F (30.5°C), and the average low-temperature is 65.8°F (18.8°C). In June, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is appraised at 97.9°F (36.6°C).

What is the average humidity in June in Mountain Island?

In Mountain Island, North Carolina, the average relative humidity in June is 71%.

How many days does it rain in June in Mountain Island?

In Mountain Island, North Carolina, in June, during 15.2 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

When it does not snow in Mountain Island?

April through October are months without snowfall in Mountain Island.

When are the longest days in Mountain Island?

June has the longest days of the year, with an average of 14.5h of daylight.

What is the average length of the day in June in Mountain Island?

In June, the average length of the day in Mountain Island, North Carolina, is 14.5h.

How many hours of sunshine does Mountain Island have in June?

The average sunshine in June in Mountain Island, North Carolina, is 10.7h.

What are the months with the highest UV index in Mountain Island?

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

What is the UV index intensity in June in Mountain Island?

In June, the average daily maximum UV index in Mountain Island, North Carolina, is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in June
Mountain Island, NC

Average temperature in June - Mountain Island, NC
  • Average high temperature in June: 86.9°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (47.8°F).

  • Average low temperature in June: 65.8°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).

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Average pressure in June
Mountain Island, NC

Average pressure in June - Mountain Island, NC
  • Average pressure in June: 29.98"

The month with the highest atmospheric pressure is November (30.16").
The month with the lowest atmospheric pressure is June (29.98").

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Average wind speed in June
Mountain Island, NC

Average wind speed in June - Mountain Island, NC
  • Average wind speed in June: 4.9mph

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in June
Mountain Island, NC

Average humidity in June - Mountain Island, NC
  • Average humidity in June: 71%

The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in June
Mountain Island, NC

Average rainfall in June - Mountain Island, NC
  • Average rainfall in June: 2.36"

The wettest month (with the highest rainfall) is August (3.43").
The driest month (with the least rainfall) is October (1.93").

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Average rainfall days in June
Mountain Island, NC

Average rainfall days in June - Mountain Island, NC
  • Average rainfall days in June: 15.2 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in June
Mountain Island, NC

Average snowfall in June - Mountain Island, NC
  • Average snowfall in June: 0"

The month with the highest snowfall is December (2.01").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in June
Mountain Island, NC

Average snowfall days in June - Mountain Island, NC
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (1.8 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in June /
Average sunshine in June
Mountain Island, NC

Average daylight in June / Average sunshine in June - Mountain Island, NC
  • Average daylight in June: 14.5h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in June: 10.7h

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

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Average sunshine days in June
Mountain Island, NC

Average sunshine days in June - Mountain Island, NC
  • Average sunshine days in June: 12.8 days

The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (10.6 days).

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Average UV index in June
Mountain Island, NC

Average UV index in June - Mountain Island, NC
  • Average UV index in June: 6

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in June
Mountain Island, NC

Average cloud cover in June - Mountain Island, NC
  • Average cloud cover in June: 30

The month with the most cloud cover is December (Cloud cover 43).
Months with the least cloud cover are June and July (Cloud cover 30).

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Average visibility in June
Mountain Island, NC

Average visibility in June - Mountain Island, NC
  • 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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