August weather forecast
Crestwood, MD

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Weather in August

The last month of the summer, August, is also a moderately hot month in Crestwood, Maryland, with an average temperature ranging between max 83.8°F (28.8°C) and min 68.7°F (20.4°C).

Temperature

The shift into August records an average high-temperature of a still moderately hot 83.8°F (28.8°C), subtly varied from July's 85.6°F (29.8°C). Crestwood usually reports an average low-temperature of 68.7°F (20.4°C) during the month of August.

Heat index

August's average heat index is estimated at a tropical 91.4°F (33°C). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
Know that the heat index computations account for shaded terrains and slight winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

The average relative humidity in August is 73%.

Rainfall

The month with the most rainfall is August, when the rain falls for 16.7 days and typically aggregates up to 3.94" (100mm) of precipitation.

Snowfall

April through October are months without snowfall in Crestwood.

Daylight

The average length of the day in August is 13h and 40min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:18 pm. On the last day of August, sunrise is at 6:35 am and sunset at 7:38 pm EDT.

Sunshine

The average sunshine in August is 10.4h.

UV index

The months with the highest UV index in Crestwood, 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 the average person.
Note: The maximum UV index of 6 during August leads to these instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Frequently asked questions

How hot is August in Crestwood?

During August, Crestwood experiences an average high-temperature of 83.8°F (28.8°C) and a low-temperature of 68.7°F (20.4°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is estimated at 91.4°F (33°C).

What is the average humidity in August in Crestwood?

In August, the average relative humidity is 73%.

What is the wettest month in Crestwood?

August is the month with the most rainfall in Crestwood, Maryland. Rain falls for 16.7 days and accumulates 3.94" (100mm) of precipitation.

How much does it rain in Crestwood in August?

In Crestwood, in August, it is raining for 16.7 days, with typically 3.94" (100mm) of accumulated precipitation.

When it does not snow in Crestwood?

April through October are months without snowfall.

What is the average length of the day in August in Crestwood?

In Crestwood, Maryland, the average day length in August is 13h and 40min.

When is the sunrise / sunset in August in Crestwood?

In August, on the first day of the month, sunrise is at 6:07 am and sunset at 8:18 pm. On the last day of the month, in Crestwood, sunrise is at 6:35 am and sunset at 7:38 pm EDT.

How many hours of sunshine does Crestwood have in August?

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

When is the highest UV index in Crestwood?

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

What is the UV index reading in August in Crestwood?

In August, the average daily maximum UV index in Crestwood, Maryland, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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
Crestwood, MD

Average temperature in August - Crestwood, MD
  • Average high temperature in August: 83.8°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 (38.8°F).

  • Average low temperature in August: 68.7°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

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Average pressure in August
Crestwood, MD

Average pressure in August - Crestwood, 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
Crestwood, MD

Average wind speed in August - Crestwood, MD
  • Average wind speed in August: 5.7mph

The windiest months (with the highest average wind speed) are February and March (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in August
Crestwood, MD

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

The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are April and July (72%).

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Average rainfall in August
Crestwood, MD

Average rainfall in August - Crestwood, MD
  • Average rainfall in August: 3.94"

The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (1.77").

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Average rainfall days in August
Crestwood, MD

Average rainfall days in August - Crestwood, MD
  • Average rainfall days in August: 16.7 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (8.6 days).

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Average snowfall in August
Crestwood, MD

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

The month with the highest snowfall is January (2.24").
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
Crestwood, MD

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

The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in August /
Average sunshine in August
Crestwood, MD

Average daylight in August / Average sunshine in August - Crestwood, 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
Crestwood, MD

Average sunshine days in August - Crestwood, MD
  • Average sunshine days in August: 12.1 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (10.9 days).

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Average UV index in August
Crestwood, MD

Average UV index in August - Crestwood, 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).

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Average cloud cover in August
Crestwood, MD

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

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in August
Crestwood, MD

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

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