August weather forecast
Dellwood, MD

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Weather in August

August, the last month of the summer in Dellwood, is another warm month, with an average temperature varying between 83.3°F (28.5°C) and 70.5°F (21.4°C).

Temperature

The ushering in of August brings an average high-temperature of a still moderately hot 83.3°F (28.5°C), closely mirroring the 84.7°F (29.3°C) of July. Throughout August, the temperature tends to fall to a consistent average low of 70.5°F (21.4°C).

Heat index

The heat index for August is evaluated at a hot 89.6°F (32°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

In Dellwood, Maryland, the average relative humidity in August is 74%.

Rainfall

August is the month with the most rainfall. Rain falls for 14.3 days and accumulates 1.69" (43mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in August is 13h and 39min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:17 pm. On the last day of August, in Dellwood, sunrise is at 6:34 am and sunset at 7:37 pm EDT.

Sunshine

The average sunshine in August is 10.5h.

UV index

The months with the highest UV index in Dellwood, Maryland, are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 6 during August leads to these advisories:
Take precautions against overexposure. Protection against sun damage is needed. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Frequently asked questions

How hot is August in Dellwood?

In August, in Dellwood, the average high-temperature is 83.3°F (28.5°C), and the average low-temperature is 70.5°F (21.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 89.6°F (32°C).

What is the average humidity in August in Dellwood?

In August, the average relative humidity in Dellwood is 74%.

What is the rainiest month in Dellwood?

August is the month with the most rainfall in Dellwood. Rain falls for 14.3 days and accumulates 1.69" (43mm) of precipitation.

How many days does it rain in August in Dellwood?

In Dellwood, during August, the rain falls for 14.3 days and regularly aggregates up to 1.69" (43mm) of precipitation.

When it does not snow in Dellwood?

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

How many hours of daylight does Dellwood have in August?

In August, the average day length in Dellwood is 13h and 39min.

When is the sunrise / sunset in August in Dellwood?

In August, on the first day of the month, sunrise is at 6:07 am and sunset at 8:17 pm. On the last day of the month, in Dellwood, sunrise is at 6:34 am and sunset at 7:37 pm EDT.

How long on average sun shines in August in Dellwood?

In August, the average sunshine duration in Dellwood is 10.5h.

When is the highest UV index in Dellwood?

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

What is the UV index intensity in August in Dellwood?

The average daily maximum UV index in August in Dellwood is 6. A UV Index reading of 6 to 7 represents a high health risk 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
Dellwood, MD

Average temperature in August - Dellwood, MD
  • Average high temperature in August: 83.3°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in August: 70.5°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

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Average pressure in August
Dellwood, MD

Average pressure in August - Dellwood, MD
  • 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 (29.94"Hg).

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Average wind speed in August
Dellwood, MD

Average wind speed in August - Dellwood, MD
  • Average wind speed in August: 6.6mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in August
Dellwood, MD

Average humidity in August - Dellwood, MD
  • Average humidity in August: 74%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

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Average rainfall in August
Dellwood, MD

Average rainfall in August - Dellwood, MD
  • Average rainfall in August: 1.69"

The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in August
Dellwood, MD

Average rainfall days in August - Dellwood, MD
  • Average rainfall days in August: 14.3 days

The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).

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Average snowfall in August
Dellwood, MD

Average snowfall in August - Dellwood, MD
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.67").
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
Dellwood, MD

Average snowfall days in August - Dellwood, MD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (2.5 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
Dellwood, MD

Average daylight in August / Average sunshine in August - Dellwood, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in August
Dellwood, MD

Average sunshine days in August - Dellwood, MD
  • Average sunshine days in August: 13.8 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).

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Average UV index in August
Dellwood, MD

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

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Average cloud cover in August
Dellwood, MD

Average cloud cover in August - Dellwood, MD
  • Average cloud cover in August: 29

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in August
Dellwood, MD

Average visibility in August - Dellwood, MD
  • 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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Dellwood, Maryland, USA

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