August weather forecast
Willowbrook, MD

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Weather in August

The last month of the summer, August, is also a moderately hot month in Willowbrook, Maryland, with an average temperature fluctuating between 69.1°F (20.6°C) and 83.7°F (28.7°C).

Temperature

August's onset brings an average high-temperature of a still moderately hot 83.7°F (28.7°C), showing a minute difference from July's 85.6°F (29.8°C). August in Willowbrook generally records an average low-temperature of 69.1°F (20.6°C).

Heat index

In August, the heat index is calculated to be a tropical 91.4°F (33°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.

Humidity

The average relative humidity in August in Willowbrook is 73%.

Rainfall

The month with the most rainfall is August, when the rain falls for 13.9 days and typically aggregates up to 3.54" (90mm) of precipitation.

Snowfall

In Willowbrook, snow does not fall in May through October.

Daylight

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

Sunshine

The average sunshine in August in Willowbrook is 10.4h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 6 in August leads to these guidelines:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

How hot is August in Willowbrook?

During August, Willowbrook experiences an average high-temperature of 83.7°F (28.7°C) and a low-temperature of 69.1°F (20.6°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in August is calculated to be 91.4°F (33°C).

What is the average humidity in August in Willowbrook?

In Willowbrook, the average relative humidity in August is 73%.

What is the wettest month in Willowbrook?

August is the month with the most rainfall in Willowbrook, Maryland. Rain falls for 13.9 days and accumulates 3.54" (90mm) of precipitation.

How many days does it rain in August in Willowbrook?

In August, in Willowbrook, Maryland, the rain falls for 13.9 days. Throughout August, 3.54" (90mm) of precipitation is accumulated.

When it does not snow in Willowbrook?

May through October are months without snowfall.

How many hours of daylight does Willowbrook have in August?

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

When is the sunrise / sunset in August in Willowbrook?

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

How long on average sun shines in August in Willowbrook?

In August, the average sunshine duration in Willowbrook is 10.4h.

What are the months with the highest UV index in Willowbrook?

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

How high is the UV index in August in Willowbrook?

In August, the average daily maximum UV index in Willowbrook is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health 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
Willowbrook, MD

Average temperature in August - Willowbrook, MD
  • Average high temperature in August: 83.7°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 (39.6°F).

  • Average low temperature in August: 69.1°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in August
Willowbrook, MD

Average pressure in August - Willowbrook, 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 (29.94"Hg).

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Average wind speed in August
Willowbrook, MD

Average wind speed in August - Willowbrook, MD
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in August
Willowbrook, MD

Average humidity in August - Willowbrook, MD
  • Average humidity in August: 73%

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
Willowbrook, MD

Average rainfall in August - Willowbrook, MD
  • Average rainfall in August: 3.54"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in August
Willowbrook, MD

Average rainfall days in August - Willowbrook, MD
  • Average rainfall days in August: 13.9 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

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Average snowfall in August
Willowbrook, MD

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

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Willowbrook, MD

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

The month with the highest number of snowfall days is January (4.4 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
Willowbrook, MD

Average daylight in August / Average sunshine in August - Willowbrook, 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 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in August
Willowbrook, MD

Average sunshine days in August - Willowbrook, MD
  • Average sunshine days in August: 15.3 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in August
Willowbrook, MD

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

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Average cloud cover in August
Willowbrook, MD

Average cloud cover in August - Willowbrook, MD
  • Average cloud cover in August: 30

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
Willowbrook, MD

Average visibility in August - Willowbrook, 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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Willowbrook, Maryland, USA

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