August weather forecast
Colonial Beach, VA

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Weather in August

The last month of the summer, August, is also a moderately hot month in Colonial Beach, Virginia, with an average temperature varying between 67.8°F (19.9°C) and 85.5°F (29.7°C).

Temperature

August is marked by an average high-temperature of a moderately hot 85.5°F (29.7°C), almost identical to the preceding month. In the month of August, an average of 67.8°F (19.9°C) marks the low-temperature.

Heat index

In August, the heat index is computed to be a very hot 95°F (35°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular importance for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

The average relative humidity in August is 75%.

Rainfall

The months with the most rainfall in Colonial Beach are July and August, with an average 3.19" (81mm) of precipitation.

Snowfall

In Colonial Beach, Virginia, snow does not fall in May through October.

Ocean temperature

With an average ocean temperature of 78.4°F (25.8°C), August is the month with the warmest seawater.
Note: In water activities such as swimming and diving, temperatures from 77°F (25°C) to 84.2°F (29°C) are deemed highly pleasurable for extended periods without any unease.

Daylight

In Colonial Beach, the average length of the day in August is 13h and 36min.
On the first day of August in Colonial Beach, sunrise is at 6:10 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 7:38 pm EDT.

Sunshine

In August, the average sunshine is 10.1h.

UV index

The months with the highest UV index in Colonial Beach, Virginia, are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 6 in August interprets into the following advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Enhance your sun protection with tightly woven, yet airy clothing. Notice! The reflection of water and sand increases the UV radiation significantly.
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Frequently asked questions

How hot is August in Colonial Beach?

The average high-temperature, in August, in Colonial Beach, is 85.5°F (29.7°C), while the average low-temperature is 67.8°F (19.9°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is computed to be 95°F (35°C).

What is the average humidity in August in Colonial Beach?

In August, the average relative humidity is 75%.

What is the rainiest month in Colonial Beach?

The wettest months in Colonial Beach, Virginia, are July and August, with an average 3.19" (81mm) of rainfall.

How many days does it rain in August in Colonial Beach?

In Colonial Beach, in August, during 15.3 rainfall days, 3.19" (81mm) of precipitation is typically accumulated.

When it does not snow in Colonial Beach?

May through October are months without snowfall in Colonial Beach.

What is the month with the warmest ocean in Colonial Beach?

The month with the warmest seawater is August, with an average ocean temperature of 78.4°F (25.8°C).

What is the ocean temperature in August in Colonial Beach?

In Colonial Beach, the average seawater temperature in August is 78.4°F (25.8°C). Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Colonial Beach have in August?

The average day length in August in Colonial Beach, Virginia, is 13h and 36min.

When is the sunrise / sunset in August in Colonial Beach?

On the first day of August in Colonial Beach, sunrise is at 6:10 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 7:38 pm EDT.

How many hours of sunshine does Colonial Beach have in August?

In Colonial Beach, Virginia, the average sunshine duration in August is 10.1h.

When is the highest UV index in Colonial Beach?

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

What is the UV index intensity in August in Colonial Beach?

In August, the average daily maximum UV index in Colonial Beach is 6. A UV Index estimate of 6 to 7 represents 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 August
Colonial Beach, VA

Average temperature in August - Colonial Beach, VA
  • Average high temperature in August: 85.5°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (42.3°F).

  • Average low temperature in August: 67.8°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

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Average pressure in August
Colonial Beach, VA

Average pressure in August - Colonial Beach, 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
Colonial Beach, VA

Average wind speed in August - Colonial Beach, VA
  • Average wind speed in August: 5.5mph

The windiest month (with the highest average wind speed) is April (8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in August
Colonial Beach, VA

Average humidity in August - Colonial Beach, VA
  • Average humidity in August: 75%

The months with the highest relative humidity are May and December (78%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in August
Colonial Beach, VA

Average rainfall in August - Colonial Beach, VA
  • Average rainfall in August: 3.19"

The wettest months (with the highest rainfall) are July and August (3.19").
The driest month (with the least rainfall) is September (1.97").

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Average rainfall days in August
Colonial Beach, VA

Average rainfall days in August - Colonial Beach, VA
  • Average rainfall days in August: 15.3 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (9.4 days).

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Average snowfall in August
Colonial Beach, VA

Average snowfall in August - Colonial Beach, VA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Colonial Beach, VA

Average snowfall days in August - Colonial Beach, VA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in August
Colonial Beach, VA

Average sea temperature in August - Colonial Beach, VA
  • Average sea temperature in August: 78.4°F

The best month for swimming (with the highest average sea temperature) is August (78.4°F).
The coldest month (with the lowest average sea temperature) is February (47.1°F).

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Average daylight in August /
Average sunshine in August
Colonial Beach, VA

Average daylight in August / Average sunshine in August - Colonial Beach, 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 36min).

  • Average sunshine in August: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).

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Average sunshine days in August
Colonial Beach, VA

Average sunshine days in August - Colonial Beach, VA
  • Average sunshine days in August: 14.1 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.9 days).

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Average UV index in August
Colonial Beach, VA

Average UV index in August - Colonial Beach, 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 and December (UV index 2).

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Average cloud cover in August
Colonial Beach, VA

Average cloud cover in August - Colonial Beach, VA
  • Average cloud cover in August: 33

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in August
Colonial Beach, VA

Average visibility in August - Colonial Beach, VA
  • Average visibility in August: 6mi

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

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Colonial Beach, Virginia, USA

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