August weather forecast
Shirley Heights, MD

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Weather in August

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

Temperature

The onset of August notes an average high-temperature of a still moderately hot 83.8°F (28.8°C), subtly shifted from July's 85.6°F (29.8°C). Shirley Heights experiences an average low-temperature of 68.7°F (20.4°C) in the month of August.

Heat index

August's average heat index is computed to be a hot 91.4°F (33°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. 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 quite important for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.

Humidity

In August, the average relative humidity in Shirley Heights 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

In Shirley Heights, snow does not fall in April through October.

Daylight

The average length of the day in August is 13h and 40min.
On the first day of August, 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.

Sunshine

In Shirley Heights, the average sunshine in August is 10.4h.

UV index

The months with the highest UV index in Shirley Heights are May through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In August, the average maximum UV index of 6 translates into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Frequently asked questions

How hot is August in Shirley Heights?

Shirley Heights 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). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 91.4°F (33°C).

What is the average humidity in August in Shirley Heights?

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

What is the wettest month in Shirley Heights?

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

How much does it rain in Shirley Heights in August?

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

When it does not snow in Shirley Heights?

April through October are months without snowfall.

How many hours of daylight does Shirley Heights have in August?

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

What time are sunrise and sunset in August in Shirley Heights?

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

How long on average sun shines in August in Shirley Heights?

The average sunshine duration in August in Shirley Heights is 10.4h.

When is the highest UV index in Shirley Heights?

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

What is the UV index intensity in August in Shirley Heights?

The average daily maximum UV index in August in Shirley Heights is 6. A UV Index value of 6 to 7 symbolizes a high health threat from 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
Shirley Heights, MD

Average temperature in August - Shirley Heights, 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
Shirley Heights, MD

Average pressure in August - Shirley Heights, 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
Shirley Heights, MD

Average wind speed in August - Shirley Heights, 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
Shirley Heights, MD

Average humidity in August - Shirley Heights, 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
Shirley Heights, MD

Average rainfall in August - Shirley Heights, 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
Shirley Heights, MD

Average rainfall days in August - Shirley Heights, 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
Shirley Heights, MD

Average snowfall in August - Shirley Heights, 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
Shirley Heights, MD

Average snowfall days in August - Shirley Heights, 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
Shirley Heights, MD

Average daylight in August / Average sunshine in August - Shirley Heights, 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
Shirley Heights, MD

Average sunshine days in August - Shirley Heights, 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
Shirley Heights, MD

Average UV index in August - Shirley Heights, 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
Shirley Heights, MD

Average cloud cover in August - Shirley Heights, 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
Shirley Heights, MD

Average visibility in August - Shirley Heights, 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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Shirley Heights, Maryland, USA

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