August weather forecast
Garrisonville, VA

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Weather in August

The last month of the summer, August, is another tropical month in Garrisonville, Virginia, with an average temperature fluctuating between 66°F (18.9°C) and 86.2°F (30.1°C).

Temperature

August's commencement is accompanied by an average high-temperature of a still tropical 86.2°F (30.1°C), diverging marginally from July's 88.7°F (31.5°C). The average low-temperature in Garrisonville during August nights is a comfortable 66°F (18.9°C).

Heat index

For August, the heat index is estimated at a fiery hot 98.6°F (37°C). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. 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 essentially critical 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.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

The average relative humidity in August in Garrisonville is 75%.

Rainfall

The month with the most rainfall is August, when the rain falls for 16 days and typically aggregates up to 3.66" (93mm) of precipitation.

Snowfall

In Garrisonville, snow does not fall in May through October.

Daylight

In Garrisonville, the average length of the day in August is 13h and 37min.
On the first day of August, sunrise is at 6:12 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 7:40 pm EDT.

Sunshine

In Garrisonville, the average sunshine in August is 10h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Garrisonville, Virginia. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 6 in August, converts into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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Frequently asked questions

How hot is it in Garrisonville in August?

The average high-temperature and low-temperature in Garrisonville during August are 86.2°F (30.1°C) and 66°F (18.9°C) respectively. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is estimated at 98.6°F (37°C).

What is the average humidity in August in Garrisonville?

In Garrisonville, the average relative humidity in August is 75%.

What is the wettest month in Garrisonville?

The month with the most rainfall in Garrisonville, Virginia, is August, when the rain falls for 16 days and typically aggregates up to 3.66" (93mm) of precipitation.

How much does it rain in Garrisonville in August?

In August, in Garrisonville, the rain falls for 16 days. Throughout August, 3.66" (93mm) of precipitation is accumulated.

When it does not snow in Garrisonville?

May through October are months without snowfall in Garrisonville, Virginia.

How many hours of daylight does Garrisonville have in August?

The average day length in August in Garrisonville, Virginia, is 13h and 37min.

When is the sunrise / sunset in August in Garrisonville?

In August, on the first day of the month, sunrise is at 6:12 am and sunset at 8:19 pm. On the last day of the month, in Garrisonville, Virginia, sunrise is at 6:38 am and sunset at 7:40 pm EDT.

How many hours of sunshine does Garrisonville have in August?

In August, the average sunshine duration in Garrisonville is 10h.

When is the highest UV index in Garrisonville?

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

How high is the UV index in August in Garrisonville?

In Garrisonville, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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 August
Garrisonville, VA

Average temperature in August - Garrisonville, VA
  • Average high temperature in August: 86.2°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 August: 66°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 August
Garrisonville, VA

Average pressure in August - Garrisonville, VA
  • Average pressure in August: 29.99"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 August
Garrisonville, VA

Average wind speed in August - Garrisonville, VA
  • Average wind speed in August: 4.7mph

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 August
Garrisonville, VA

Average humidity in August - Garrisonville, VA
  • Average humidity in August: 75%

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 August
Garrisonville, VA

Average rainfall in August - Garrisonville, VA
  • Average rainfall in August: 3.66"

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 August
Garrisonville, VA

Average rainfall days in August - Garrisonville, VA
  • Average rainfall days in August: 16 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 August
Garrisonville, VA

Average snowfall in August - Garrisonville, VA
  • Average snowfall in August: 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 August
Garrisonville, VA

Average snowfall days in August - Garrisonville, VA
  • Average snowfall days in August: 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 August /
Average sunshine in August
Garrisonville, VA

Average daylight in August / Average sunshine in August - Garrisonville, VA
  • Average daylight in August: 13h and 4min

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 August: 10h and 0min

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 August
Garrisonville, VA

Average sunshine days in August - Garrisonville, VA
  • Average sunshine days in August: 13.1 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 August
Garrisonville, VA

Average UV index in August - Garrisonville, VA
  • Average UV index in August: 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 August
Garrisonville, VA

Average cloud cover in August - Garrisonville, VA
  • Average cloud cover in August: 36

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 August
Garrisonville, VA

Average visibility in August - Garrisonville, VA
  • Average visibility in August: 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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Garrisonville, Virginia, USA

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