July weather forecast
Charleston, West VA

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 July

July, the same as June, is a moderately hot summer month in Charleston, West Virginia, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 63.3°F (17.4°C).

Temperature

With an average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 63.3°F (17.4°C), July is the warmest month.

Heat index

The average heat index in July is computed to be a very hot 96.8°F (36°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. 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 'apparent temperature', 'felt air temperature', 'real feel', or 'feels like', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, differences in body mass, height, and shape, wind), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

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

Rainfall

In Charleston, it is raining for 18 days, with typically 2.76" (70mm) of accumulated precipitation. Throughout the year, in Charleston, there are 180.4 rainfall days, and 34.06" (865mm) of precipitation is accumulated.

Snowfall

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

Daylight

In July, the average length of the day is 14h and 32min.
On the first day of July in Charleston, sunrise is at 6:06 am and sunset at 8:54 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 8:37 pm EDT.

Sunshine

In July, the average sunshine in Charleston is 9.8h.

UV index

The months with the highest UV index in Charleston are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: In July, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Charleston?

With an average high-temperature of 85.6°F (29.8°C) and an average low-temperature of 63.3°F (17.4°C), July is the warmest month.

What is the temperature in July in Charleston?

In July, the average high-temperature is 85.6°F (29.8°C), and the average low-temperature is 63.3°F (17.4°C). in July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 96.8°F (36°C).

What are the least humid months in Charleston?

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

What is the average humidity in July in Charleston?

In July, the average relative humidity is 76%.

How many days does it rain in July in Charleston?

In July, in Charleston, the rain falls for 18 days. Throughout July, 2.76" (70mm) of precipitation is accumulated.

When it does not snow in Charleston?

June through September are months without snowfall.

How many hours of daylight does Charleston have in July?

In Charleston, West Virginia, the average day length in July is 14h and 32min.

When are sunrise and sunset in July in Charleston?

On the first day of July, sunrise is at 6:06 am and sunset at 8:54 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 8:37 pm EDT.

How many hours of sunshine does Charleston have in July?

The average sunshine duration in July in Charleston is 9.8h.

What are the months with the highest UV index in Charleston?

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

What is the UV index reading in July in Charleston?

In Charleston, West Virginia, the average daily maximum UV index in July is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Charleston, West VA

Average temperature in July - Charleston, West VA
  • Average high temperature in July: 85.6°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 July: 63.3°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 July
Charleston, West VA

Average pressure in July - Charleston, West VA
  • Average pressure in July: 30.01"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 July
Charleston, West VA

Average wind speed in July - Charleston, West VA
  • Average wind speed in July: 4.3mph

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 July
Charleston, West VA

Average humidity in July - Charleston, West VA
  • Average humidity in July: 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 July
Charleston, West VA

Average rainfall in July - Charleston, West VA
  • Average rainfall in July: 2.76"

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 July
Charleston, West VA

Average rainfall days in July - Charleston, West VA
  • Average rainfall days in July: 18 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 July
Charleston, West VA

Average snowfall in July - Charleston, West VA
  • Average snowfall in July: 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 July
Charleston, West VA

Average snowfall days in July - Charleston, West VA
  • Average snowfall days in July: 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 July /
Average sunshine in July
Charleston, West VA

Average daylight in July / Average sunshine in July - Charleston, West VA
  • Average daylight in July: 14h and 32min

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 33min).

  • Average sunshine in July: 9h and 48min

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 July
Charleston, West VA

Average sunshine days in July - Charleston, West VA
  • Average sunshine days in July: 11.3 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 July
Charleston, West VA

Average UV index in July - Charleston, West VA
  • Average UV index in July: 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 July
Charleston, West VA

Average cloud cover in July - Charleston, West VA
  • Average cloud cover in July: 37

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 July
Charleston, West VA

Average visibility in July - Charleston, West VA
  • Average visibility in July: 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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