August weather forecastDuvall Manor, MD
August
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 13h and 42min
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 18min
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: 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: 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: 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: 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).





