July weather forecast
Blackwater, VA

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Weather in July

July, like June, in Blackwater, Virginia, is a moderately hot summer month, with an average temperature ranging between max 84.6°F (29.2°C) and min 61.9°F (16.6°C).

Temperature

In Blackwater, Virginia, July is the warmest month, with temperatures averaging a high of 84.6°F (29.2°C) and a low of 61.9°F (16.6°C).

Heat index

For July, the heat index is appraised at a sweltering 95°F (35°C). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
Given the heat index, its values are aligned with shaded sites and gentle winds. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', joins air temperature with relative humidity to produce a temperature perception for humans. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. 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.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

The average relative humidity in July in Blackwater, Virginia, is 77%.

Rainfall

In Blackwater, in July, it is raining for 19.1 days, with typically 3.27" (83mm) of accumulated precipitation. In Blackwater, during the entire year, the rain falls for 176.3 days and collects up to 32.87" (835mm) of precipitation.

Snowfall

In Blackwater, snow does not fall in May through September.

Daylight

The average length of the day in July in Blackwater is 14h and 23min.
On the first day of July in Blackwater, sunrise is at 6:17 am and sunset at 8:54 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 8:39 pm EDT.

Sunshine

In Blackwater, Virginia, the average sunshine in July is 10h.

UV index

The months with the highest UV index in Blackwater, Virginia, 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 unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 6 during July leads to these instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. 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. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What month is the hottest in Blackwater?

In Blackwater, July records the average highest temperatures, peaking at 84.6°F (29.2°C) and reaching a low of 61.9°F (16.6°C).

How hot is July in Blackwater?

In July, in Blackwater, the average high-temperature is 84.6°F (29.2°C), and the average low-temperature is 61.9°F (16.6°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is appraised at 95°F (35°C).

What is the average humidity in July in Blackwater?

The average relative humidity in July in Blackwater is 77%.

How many days does it rain in July in Blackwater?

In Blackwater, Virginia, during July, the rain falls for 19.1 days and regularly aggregates up to 3.27" (83mm) of precipitation.

When it does not snow in Blackwater?

In Blackwater, snow does not fall in May through September.

What is the average length of the day in July in Blackwater?

The average day length in July is 14h and 23min.

When are sunrise and sunset in July in Blackwater?

In July, on the first day of the month, sunrise is at 6:17 am and sunset at 8:54 pm. On the last day of the month, in Blackwater, sunrise is at 6:38 am and sunset at 8:39 pm EDT.

How long on average sun shines in July in Blackwater?

In Blackwater, Virginia, the average sunshine duration in July is 10h.

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

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

How high is the UV index in July in Blackwater?

The average daily maximum UV index in July in Blackwater, Virginia, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe 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
Blackwater, VA

Average temperature in July - Blackwater, VA
  • Average high temperature in July: 84.6°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in July: 61.9°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

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Average pressure in July
Blackwater, VA

Average pressure in July - Blackwater, VA
  • Average pressure in July: 30.01"Hg

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

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Average wind speed in July
Blackwater, VA

Average wind speed in July - Blackwater, VA
  • Average wind speed in July: 4mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

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Average humidity in July
Blackwater, VA

Average humidity in July - Blackwater, VA
  • Average humidity in July: 77%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are August and November (76%).

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Average rainfall in July
Blackwater, VA

Average rainfall in July - Blackwater, VA
  • Average rainfall in July: 3.27"

The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in July
Blackwater, VA

Average rainfall days in July - Blackwater, VA
  • Average rainfall days in July: 19.1 days

The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is November (10.5 days).

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Average snowfall in July
Blackwater, VA

Average snowfall in July - Blackwater, VA
  • Average snowfall in July: 0"

The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in July
Blackwater, VA

Average snowfall days in July - Blackwater, VA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (9 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
Blackwater, VA

Average daylight in July / Average sunshine in July - Blackwater, VA
  • Average daylight in July: 14h and 2min

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

  • Average sunshine in July: 10h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in July
Blackwater, VA

Average sunshine days in July - Blackwater, VA
  • Average sunshine days in July: 10.2 days

The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is May (10 days).

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Average UV index in July
Blackwater, VA

Average UV index in July - Blackwater, 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, November and December (UV index 2).

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Average cloud cover in July
Blackwater, VA

Average cloud cover in July - Blackwater, VA
  • Average cloud cover in July: 35

The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in July
Blackwater, VA

Average visibility in July - Blackwater, 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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Blackwater, Virginia, USA

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