July weather forecast
Quantico, VA

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Weather in July

July rates as the hottest month in Quantico, Virginia, with the temperature rising to a maximum high of 88.7°F (31.5°C). The town basks in the peak of summer and sees an uninterrupted stretch of sunny days. The heat might be intense, but it is never overbearing or stifling. The relatively mild wind speeds contribute to a sense of calm, tranquillity, ideal for quiet evenings on the patio. The long, hot days and warm nights are perfect for outdoor enthusiasts to enjoy the weather to its fullest.

Temperature

Quantico's July weather reaches an average high of 88.7°F (31.5°C) and an average low of 67.8°F (19.9°C), making it the warmest month.

Heat index

July's mean heat index is calculated to be a blistering 104°F (40°C). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
Heat index data is primarily for areas with shade and subjected to light winds. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

January, April and July, with an average relative humidity of 73%, are the least humid months.

Rainfall

In Quantico, in July, it is raining for 15.9 days, with typically 3.19" (81mm) of accumulated precipitation. In Quantico, during the entire year, the rain falls for 155.6 days and collects up to 31.61" (803mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Quantico, the average length of the day in July is 14h and 32min.
On the first day of July, sunrise is at 5:49 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:20 pm EDT.

Sunshine

With an average of 10.5h of sunshine, July has the most sunshine of the year in Quantico.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Quantico. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In July, a daily UV index of 6 turns into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
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Frequently asked questions

What is the hottest time of year in Quantico?

July is the warmest month in Quantico, with an average high-temperature of 88.7°F (31.5°C) and an average low-temperature of 67.8°F (19.9°C).

How hot is July in Quantico?

In July, the average high-temperature and low-temperature in Quantico, Virginia, are 88.7°F (31.5°C) and 67.8°F (19.9°C) respectively. In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 104°F (40°C).

What is the least humid month in Quantico?

The months with the lowest humidity in Quantico are January, April and July, with an average relative humidity of 73%.

What is the average humidity in July in Quantico?

The average relative humidity in July in Quantico, Virginia, is 73%.

How much does it rain in Quantico in July?

In July, in Quantico, Virginia, the rain falls for 15.9 days. Throughout July, 3.19" (81mm) of precipitation is accumulated.

When it does not snow in Quantico?

May through October are months without snowfall.

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

In Quantico, the average day length in July is 14h and 32min.

When are sunrise and sunset in July in Quantico?

On the first day of July, sunrise is at 5:49 am and sunset at 8:37 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:20 pm EDT.

What month has the most sunshine in Quantico?

The month with the most sunshine in Quantico, Virginia, is July, with an average of 10.5h of sunshine.

How long on average sun shines in July in Quantico?

In Quantico, Virginia, the average sunshine duration in July is 10.5h.

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

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

How high is the UV index in July in Quantico?

In July, the average daily maximum UV index in Quantico is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Quantico, VA

Average temperature in July - Quantico, VA
  • Average high temperature in July: 88.7°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in July: 67.8°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).

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Average pressure in July
Quantico, VA

Average pressure in July - Quantico, VA
  • Average pressure in July: 29.97"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in July
Quantico, VA

Average wind speed in July - Quantico, VA
  • Average wind speed in July: 4.8mph

The windiest months (with the highest average wind speed) are March and April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in July
Quantico, VA

Average humidity in July - Quantico, VA
  • Average humidity in July: 73%

The months with the highest relative humidity are October and December (78%).
The months with the lowest relative humidity are January, April and July (73%).

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Average rainfall in July
Quantico, VA

Average rainfall in July - Quantico, VA
  • Average rainfall in July: 3.19"

The wettest month (with the highest rainfall) is August (3.66").
The driest month (with the least rainfall) is January (1.97").

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Average rainfall days in July
Quantico, VA

Average rainfall days in July - Quantico, VA
  • Average rainfall days in July: 15.9 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is November (8.7 days).

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Average snowfall in July
Quantico, VA

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

The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Quantico, VA

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

The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in July /
Average sunshine in July
Quantico, VA

Average daylight in July / Average sunshine in July - Quantico, VA
  • Average daylight in July: 14h and 3min

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 July: 10h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).

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Average sunshine days in July
Quantico, VA

Average sunshine days in July - Quantico, VA
  • Average sunshine days in July: 12.4 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (11.5 days).

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Average UV index in July
Quantico, VA

Average UV index in July - Quantico, 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
Quantico, VA

Average cloud cover in July - Quantico, VA
  • Average cloud cover in July: 32

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in July
Quantico, VA

Average visibility in July - Quantico, VA
  • Average visibility in July: 6mi

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

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Quantico, Virginia, USA

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