August weather forecast
Duvall Manor, MD

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Weather in August

The last month of the summer, August, is also a moderately hot month in Duvall Manor, Maryland, with temperature in the range of an average high of 82.9°F (28.3°C) and an average low of 64.9°F (18.3°C).

Temperature

Stepping into August, Duvall Manor records an average high-temperature of a still moderately hot 82.9°F (28.3°C), almost consistent with July. In August, Duvall Manor experiences an average nighttime temperature of 64.9°F (18.3°C).

Heat index

The heat index for August is computed to be a hot 89.6°F (32°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Data suggests that the heat index is set for environments in shade and with a light wind. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. 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 remain especially vital for babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

The average relative humidity in August in Duvall Manor is 76%.

Rainfall

August is the month with the most rainfall. Rain falls for 16.8 days and accumulates 3.82" (97mm) of precipitation.

Snowfall

In Duvall Manor, snow does not fall in June through September.

Daylight

In Duvall Manor, the average length of the day in August is 13h and 40min.
On the first day of the month, sunrise is at 6:09 am and sunset at 8:20 pm. On the last day of August, sunrise is at 6:37 am and sunset at 7:40 pm EDT.

Sunshine

In Duvall Manor, the average sunshine in August is 10.3h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average UV index of 6 in August transforms into this advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Stay sun-safe with clothing that is both closely woven and worn loosely.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

In Duvall Manor, 82.9°F (28.3°C) is the average high-temperature and 64.9°F (18.3°C) is the average low-temperature during August. In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 89.6°F (32°C).

What is the average humidity in August?

The average relative humidity in August is 76%.

What is the wettest month?

The month with the most rainfall is August, when the rain falls for 16.8 days and typically aggregates up to 3.82" (97mm) of precipitation.

How many days does it rain in August?

In Duvall Manor, during August, the rain falls for 16.8 days and regularly aggregates up to 3.82" (97mm) of precipitation.

When it does not snow?

June through September are months without snowfall in Duvall Manor.

How many hours of daylight does Duvall Manor have in August?

The average day length in August is 13h and 40min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 6:09 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 7:40 pm EDT.

How long on average sun shines in August?

In Duvall Manor, the average sunshine duration in August is 10.3h.

What is the month with the highest UV index?

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 August?

In Duvall Manor, the average daily maximum UV index in August is 6. A UV Index estimate 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Duvall Manor, MD

Average temperature in August - Duvall Manor, MD
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in August: 64.9°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

Average pressure in August
Duvall Manor, MD

Average pressure in August - Duvall Manor, MD
  • 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).

Average wind speed in August
Duvall Manor, MD

Average wind speed in August - Duvall Manor, MD
  • Average wind speed in August: 4.8mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in August
Duvall Manor, MD

Average humidity in August - Duvall Manor, MD
  • Average humidity in August: 76%

The months with the highest relative humidity are May and October (79%).
The months with the lowest relative humidity are April and July (74%).

Average rainfall in August
Duvall Manor, MD

Average rainfall in August - Duvall Manor, MD
  • Average rainfall in August: 3.82"

The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.93").

Average rainfall days in August
Duvall Manor, MD

Average rainfall days in August - Duvall Manor, MD
  • Average rainfall days in August: 16.8 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in August
Duvall Manor, MD

Average snowfall in August - Duvall Manor, MD
  • Average snowfall in August: 0"

The month with the highest snowfall is March (4.09").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Duvall Manor, MD

Average snowfall days in August - Duvall Manor, MD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Duvall Manor, MD

Average daylight in August / Average sunshine in August - Duvall Manor, MD
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in August
Duvall Manor, MD

Average sunshine days in August - Duvall Manor, MD
  • Average sunshine days in August: 11.9 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (10.8 days).

Average UV index in August
Duvall Manor, MD

Average UV index in August - Duvall Manor, MD
  • 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).

Average cloud cover in August
Duvall Manor, MD

Average cloud cover in August - Duvall Manor, MD
  • Average cloud cover in August: 32

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in August
Duvall Manor, MD

Average visibility in August - Duvall Manor, MD
  • 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).

Duvall Manor, Maryland, USA

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