June weather forecast
Charleston, WV

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The calm Kanawha River in front of Charleston, West Virginia, reflecting the city in its water
The calm Kanawha River in front of Charleston, West Virginia, reflecting the city in its water

Weather in June

June in Charleston, West Virginia, is marked by a significant surge in average high temperatures, reaching up to 82°F (27.8°C). The city experiences the combination of warmth and increased humidity, triggering frequent showers. The month marks the onset of summer, with maximum daylight hours and a high UV index. Despite the warm daytime temperatures, evenings remain cooler, offering a respite from the summer heat. June could be defined as the advent of a classic, warm, and rainy summer.

Temperature

A soft shift in the average high-temperature is noticeable in June in Charleston, transitioning from 74.8°F (23.8°C) in May to a still warm 82°F (27.8°C). A noticeable downturn in temperature characterizes the June nights, averaging at a moderate 59.7°F (15.4°C).

Heat index

Throughout June, the heat index is computed to be a tropical 87.8°F (31°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.
The standards for the heat index are set for locations in shade and under light breezes. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

June through August and November, with an average relative humidity of 76%, are the least humid months in Charleston, West Virginia.

Rainfall

In Charleston, West Virginia, in June, during 17.5 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. In Charleston, during the entire year, the rain falls for 180.4 days and collects up to 34.06" (865mm) of precipitation.

Snowfall

In Charleston, snow does not fall in June through September.

Daylight

The month with the longest days is June, with an average of 14h and 48min of daylight.
On the first day of June in Charleston, sunrise is at 6:04 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:54 pm EDT.

Sunshine

In Charleston, the average sunshine in June is 9.9h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A daily maximum UV index of 6 in June translates into the following instructions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What is the usual temperature for Charleston in June?

In Charleston, in June, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 59.7°F (15.4°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in June is computed to be 87.8°F (31°C).

What are the least humid months in Charleston?

The months with the lowest humidity in Charleston are June through August and November, with an average relative humidity of 76%.

What is the average humidity in June in Charleston?

In Charleston, West Virginia, the average relative humidity in June is 76%.

How much does it rain in Charleston in June?

In June, in Charleston, West Virginia, the rain falls for 17.5 days. Throughout June, 3.23" (82mm) of precipitation is accumulated.

When it does not snow in Charleston?

June through September are months without snowfall in Charleston, West Virginia.

Does it snow in Charleston in June?

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

When are the longest days in Charleston?

The month with the longest days is June, with an average of 14h and 48min of daylight.

How many hours of daylight does Charleston have in June?

The average day length in June in Charleston, West Virginia, is 14h and 48min.

What time are sunrise and sunset in June in Charleston?

In June, on the first day of the month, sunrise is at 6:04 am and sunset at 8:44 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 8:54 pm EDT.

How many hours of sunshine does Charleston have in June?

In June, the average sunshine duration in Charleston is 9.9h.

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

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

How high is the UV index in June in Charleston?

In June, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Charleston, WV

Average temperature in June - Charleston, WV
  • Average high temperature in June: 82°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in June: 59.7°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

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Average pressure in June
Charleston, WV

Average pressure in June - Charleston, WV
  • Average pressure in June: 29.98"Hg

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

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Average wind speed in June
Charleston, WV

Average wind speed in June - Charleston, WV
  • Average wind speed in June: 4.9mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).

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Average humidity in June
Charleston, WV

Average humidity in June - Charleston, WV
  • Average humidity in June: 76%

The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are June, July, August and November (76%).

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Average rainfall in June
Charleston, WV

Average rainfall in June - Charleston, WV
  • Average rainfall in June: 3.23"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in June
Charleston, WV

Average rainfall days in June - Charleston, WV
  • Average rainfall days in June: 17.5 days

The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is November (11 days).

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Average snowfall in June
Charleston, WV

Average snowfall in June - Charleston, WV
  • Average snowfall in June: 0"

The month with the highest snowfall is January (5.51").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in June
Charleston, WV

Average snowfall days in June - Charleston, WV
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in June /
Average sunshine in June
Charleston, WV

Average daylight in June / Average sunshine in June - Charleston, WV
  • 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: 9h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in June
Charleston, WV

Average sunshine days in June - Charleston, WV
  • Average sunshine days in June: 10.2 days

The months with the most sunshine days are October and November (16.5 days).
The month with the least sunshine days is February (8.4 days).

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Average UV index in June
Charleston, WV

Average UV index in June - Charleston, WV
  • 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 and December (UV index 2).

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Average cloud cover in June
Charleston, WV

Average cloud cover in June - Charleston, WV
  • Average cloud cover in June: 36

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in June
Charleston, WV

Average visibility in June - Charleston, WV
  • Average visibility in June: 5mi

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

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Charleston, West Virginia, USA

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