August weather forecast
Norfolk, VA

A breathtaking night panorama of the well developed Norfolk City, Virginia
A breathtaking night panorama of the well developed Norfolk City, Virginia

Weather in August

August, the last month of the summer in Norfolk, is also a moderately hot month, with an average temperature varying between 84.7°F (29.3°C) and 73°F (22.8°C).

Temperature

In Norfolk, the average high-temperature in August is almost the same as in July - a moderately hot 84.7°F (29.3°C). The average low-temperature, in August, is 73°F (22.8°C).

Heat index

In August, the average heat index is calculated to be a tropical 93.2°F (34°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'feels like', or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, metabolic differences, clothing), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

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

Rainfall

The month with the most rainfall in Norfolk, Virginia, is August, when the rain falls for 16.9 days and typically aggregates up to 2.52" (64mm) of precipitation.

Snowfall

In Norfolk, snow does not fall in April through October.

Ocean temperature

August is the month with the warmest seawater in Norfolk, with an average ocean temperature of 80.1°F (26.7°C).
Note: 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.

Daylight

The average length of the day in August in Norfolk is 13h and 32min.
On the first day of August in Norfolk, sunrise is at 6:10 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:35 pm EDT.

Sunshine

In Norfolk, the average sunshine in August is 10.6h.

UV index

The months with the highest UV index in Norfolk are July and August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In August, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.
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FAQ

What is the temperature in August in Norfolk?

In Norfolk, Virginia, in August, the average high-temperature is 84.7°F (29.3°C), and the average low-temperature is 73°F (22.8°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in August is calculated to be 93.2°F (34°C).

What is the average humidity in August in Norfolk?

In August, the average relative humidity is 75%.

What is the rainiest month in Norfolk?

The month with the most rainfall is August, when the rain falls for 16.9 days and typically aggregates up to 2.52" (64mm) of precipitation.

How much does it rain in Norfolk in August?

In Norfolk, in August, it is raining for 16.9 days, with typically 2.52" (64mm) of accumulated precipitation.

When it does not snow in Norfolk?

April through October are months without snowfall in Norfolk, Virginia.

What month is the ocean warmest in Norfolk?

With an average ocean temperature of 80.1°F (26.7°C), August is the month with the warmest seawater in Norfolk.

What is the water temperature in August in Norfolk?

In August, the average ocean temperature in Norfolk, Virginia, is 80.1°F (26.7°C). For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Norfolk have in August?

The average day length in August is 13h and 32min.

What time are sunrise and sunset in August in Norfolk?

On the first day of August, sunrise is at 6:10 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:35 pm EDT.

How many hours of sunshine does Norfolk have in August?

In August, the average sunshine duration in Norfolk, Virginia, is 10.6h.

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

July and August, with an average maximum UV index of 7, are months with the highest UV index in Norfolk, Virginia.

What is the UV index reading in August in Norfolk?

The average daily maximum UV index in August is 7. A UV Index reading of 6 to 7 represents a high health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Norfolk, VA

Average temperature in August - Norfolk, VA
  • Average high temperature in August: 84.7°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (45.9°F).

  • Average low temperature in August: 73°F

The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).

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Average pressure in August
Norfolk, VA

Average pressure in August - Norfolk, VA
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in August
Norfolk, VA

Average wind speed in August - Norfolk, VA
  • Average wind speed in August: 7.5mph

The windiest months (with the highest average wind speed) are March and April (10.5mph).
The calmest month (with the lowest average wind speed) is August (7.5mph).

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Average humidity in August
Norfolk, VA

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

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are July and November (74%).

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Average rainfall in August
Norfolk, VA

Average rainfall in August - Norfolk, VA
  • Average rainfall in August: 2.52"

The wettest month (with the highest rainfall) is August (2.52").
The driest month (with the least rainfall) is November (1.1").

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Average rainfall days in August
Norfolk, VA

Average rainfall days in August - Norfolk, VA
  • Average rainfall days in August: 16.9 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is November (8.3 days).

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Average snowfall in August
Norfolk, VA

Average snowfall in August - Norfolk, VA
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in August
Norfolk, VA

Average snowfall days in August - Norfolk, VA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average sea temperature in August
Norfolk, VA

Average sea temperature in August - Norfolk, VA
  • Average sea temperature in August: 80°F

The best month for swimming (with the highest average sea temperature) is August (80°F).
The coldest month (with the lowest average sea temperature) is February (44.5°F).

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Average daylight in August /
Average sunshine in August
Norfolk, VA

Average daylight in August / Average sunshine in August - Norfolk, VA
  • Average daylight in August: 13h and 32min

The month with the longest days is June (Average daylight: 14h and 39min).
The month with the shortest days is December (Average daylight: 9h and 41min).

  • Average sunshine in August: 10h and 36min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).

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Average sunshine days in August
Norfolk, VA

Average sunshine days in August - Norfolk, VA
  • Average sunshine days in August: 10.8 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is August (10.8 days).

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Average UV index in August
Norfolk, VA

Average UV index in August - Norfolk, VA
  • Average UV index in August: 7

The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).

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Average cloud cover in August
Norfolk, VA

Average cloud cover in August - Norfolk, VA
  • Average cloud cover in August: 29

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in August
Norfolk, VA

Average visibility in August - Norfolk, VA
  • Average visibility in August: 6mi

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

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