July weather forecast
Herndon Heights, WV

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Weather in July

July, the same as June, is another warm summer month in Herndon Heights, West Virginia, with an average temperature varying between 60.1°F (15.6°C) and 82.8°F (28.2°C).

Temperature

Herndon Heights witnesses the warmest weather in July, with temperatures averaging a high of 82.8°F (28.2°C) and a low of 60.1°F (15.6°C).

Heat index

July's heat index is computed to be a hot 89.6°F (32°C). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.

Humidity

June through August and November, with an average relative humidity of 77%, are the least humid months.

Rainfall

In Herndon Heights, in July, during 18.3 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Herndon Heights, West Virginia, during the entire year, the rain falls for 180.7 days and collects up to 32.24" (819mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In July, the average length of the day is 14h and 27min.
On the first day of July, sunrise is at 6:08 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 8:34 pm EDT.

Sunshine

The average sunshine in July is 9.9h.

UV index

In July, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 5 during July translates into the following guidance:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the hottest?

Herndon Heights's warmest temperatures are experienced in July, with average high temperatures of 82.8°F (28.2°C) and lows of 60.1°F (15.6°C).

How hot is July?

In Herndon Heights, in July, the average high-temperature is 82.8°F (28.2°C), and the average low-temperature is 60.1°F (15.6°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in July is computed to be 89.6°F (32°C).

What is the least humid month?

The months with the lowest humidity in Herndon Heights are June through August and November, with an average relative humidity of 77%.

What is the average humidity in July?

In Herndon Heights, the average relative humidity in July is 77%.

How much does it rain in July?

In Herndon Heights, during July, the rain falls for 18.3 days and regularly aggregates up to 2.64" (67mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

How many hours of daylight does Herndon Heights have in July?

In Herndon Heights, the average day length in July is 14h and 27min.

When is the sunrise / sunset in July in Herndon Heights?

On the first day of July, sunrise is at 6:08 am and sunset at 8:50 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 8:34 pm EDT.

How many hours of sunshine does Herndon Heights have in July?

The average sunshine duration in July is 9.9h.

What is the UV index intensity in July?

In Herndon Heights, the average daily maximum UV index in July is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
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 July
Herndon Heights, WV

Average temperature in July - Herndon Heights, WV
  • Average high temperature in July: 82.8°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in July: 60.1°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

Average pressure in July
Herndon Heights, WV

Average pressure in July - Herndon Heights, WV
  • Average pressure in July: 30.02"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in July
Herndon Heights, WV

Average wind speed in July - Herndon Heights, WV
  • Average wind speed in July: 4.6mph

The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in July
Herndon Heights, WV

Average humidity in July - Herndon Heights, WV
  • Average humidity in July: 77%

The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).

Average rainfall in July
Herndon Heights, WV

Average rainfall in July - Herndon Heights, WV
  • Average rainfall in July: 2.64"

The wettest months (with the highest rainfall) are February and May (3.43").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in July
Herndon Heights, WV

Average rainfall days in July - Herndon Heights, WV
  • Average rainfall days in July: 18.3 days

The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is November (11.3 days).

Average snowfall in July
Herndon Heights, WV

Average snowfall in July - Herndon Heights, WV
  • Average snowfall in July: 0"

The month with the highest snowfall is February (6.02").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Herndon Heights, WV

Average snowfall days in July - Herndon Heights, WV
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Herndon Heights, WV

Average daylight in July / Average sunshine in July - Herndon Heights, WV
  • Average daylight in July: 14h and 3min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in July: 9h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in July
Herndon Heights, WV

Average sunshine days in July - Herndon Heights, WV
  • Average sunshine days in July: 10.2 days

The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is February (8.3 days).

Average UV index in July
Herndon Heights, WV

Average UV index in July - Herndon Heights, WV
  • Average UV index in July: 5

The months with the highest UV index are June 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 July
Herndon Heights, WV

Average cloud cover in July - Herndon Heights, WV
  • Average cloud cover in July: 37

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in July
Herndon Heights, WV

Average visibility in July - Herndon Heights, WV
  • Average visibility in July: 5mi

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

Herndon Heights, West Virginia, USA

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