August weather forecast
Brook Hollow, MD

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Weather in August

The last month of the summer, August, is also a moderately hot month in Brook Hollow, Maryland, with an average temperature varying between 64.9°F (18.3°C) and 82.9°F (28.3°C).

Temperature

Brook Hollow experiences a subtle adjustment in high-temperatures to a still moderately hot 82.9°F (28.3°C) with the onset of August, maintaining near parity with July's 85.6°F (29.8°C). Brook Hollow witnesses a consistent average low-temperature of 64.9°F (18.3°C) throughout August.

Heat index

In August, the heat index is computed to be a hot 89.6°F (32°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in August is 76%.

Rainfall

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.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 40min.
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 6:36 am and sunset at 7:40 pm EDT.

Sunshine

In August, the average sunshine is 10.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 6 during August leads to these instructions:
Take precautions against overexposure. Protection against sun damage is needed. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

An average high-temperature, in August, in Brook Hollow, is 82.9°F (28.3°C) and the average low-temperature is 64.9°F (18.3°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in August is computed to be 89.6°F (32°C).

What is the average humidity in August in Brook Hollow?

In August, the average relative humidity is 76%.

What is the wettest month?

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

How many days does it rain in August?

In August, the rain falls for 16.8 days. Throughout August, 3.82" (97mm) of precipitation is accumulated.

When it does not snow?

In Brook Hollow, snow does not fall in June through September.

How many hours of daylight does Brook Hollow have in August?

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

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:09 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:40 pm EDT.

How many hours of sunshine does Brook Hollow have in August?

In August, the average sunshine duration is 10.3h.

What are the months with the highest UV index?

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

How high is the UV index in August?

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 the Sun's UV radiation.
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
Brook Hollow, MD

Average temperature in August - Brook Hollow, 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
Brook Hollow, MD

Average pressure in August - Brook Hollow, 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
Brook Hollow, MD

Average wind speed in August - Brook Hollow, 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
Brook Hollow, MD

Average humidity in August - Brook Hollow, 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
Brook Hollow, MD

Average rainfall in August - Brook Hollow, 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
Brook Hollow, MD

Average rainfall days in August - Brook Hollow, 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
Brook Hollow, MD

Average snowfall in August - Brook Hollow, 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
Brook Hollow, MD

Average snowfall days in August - Brook Hollow, 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
Brook Hollow, MD

Average daylight in August / Average sunshine in August - Brook Hollow, 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
Brook Hollow, MD

Average sunshine days in August - Brook Hollow, 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
Brook Hollow, MD

Average UV index in August - Brook Hollow, 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
Brook Hollow, MD

Average cloud cover in August - Brook Hollow, 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
Brook Hollow, MD

Average visibility in August - Brook Hollow, 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).

Brook Hollow, Maryland, USA

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