August weather forecast
Crestwood, MD

Share

Weather in August

August, the last month of the summer in Crestwood, is another warm month, with an average temperature ranging between max 83.8°F (28.8°C) and min 68.7°F (20.4°C).

Temperature

Crestwood signifies an average high-temperature of a still moderately hot 83.8°F (28.8°C) in August, closely mirroring the 85.6°F (29.8°C) of July. Crestwood observes an average nighttime temperature of 68.7°F (20.4°C) during August.

Heat index

The heat index value during August is calculated to be a tropical 91.4°F (33°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Heat index evaluations are typically in the context of light winds and shaded environments. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

In Crestwood, 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.

Daylight

In August, the average length of the day 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

In August, the average sunshine is 10.4h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: During August, 6 as the daily maximum UV index converts into the following advice:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Jun 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in August?

Crestwood in August has an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 68.7°F (20.4°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in August is calculated to be 91.4°F (33°C).

What is the average humidity in August in Crestwood?

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

What is the rainiest month?

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

How much does it rain 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, snow does not fall in April through October.

What is the average length of the day in August?

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

What time are sunrise and sunset in August?

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, sunrise is at 6:35 am and sunset at 7:38 pm EDT.

How long on average sun shines in August?

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

When is the highest UV index?

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

What is the UV index reading in August in Crestwood?

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Crestwood, Maryland, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location