August weather forecast
Heather Heights, MD

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Weather in August

The last month of the summer, August, is another warm month in Heather Heights, Maryland, with an average temperature ranging between max 82.9°F (28.3°C) and min 67.6°F (19.8°C).

Temperature

In August, the average high-temperature registers at a still moderately hot 82.9°F (28.3°C), nearly identical to July's 84.6°F (29.2°C). An average low-temperature of 67.6°F (19.8°C) marks the month of August.

Heat index

August's heat index is estimated at a hot 91.4°F (33°C). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. 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 quite 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

In Heather Heights, the average relative humidity in August is 78%.

Rainfall

The month with the most rainfall is August, when the rain falls for 11.2 days and typically aggregates up to 1.42" (36mm) of precipitation.

Snowfall

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

Daylight

In Heather Heights, Maryland, the average length of the day in August is 13h and 40min.
On the first day of the month, sunrise is at 6:05 am and sunset at 8:15 pm. On the last day of August, sunrise is at 6:32 am and sunset at 7:36 pm EDT.

Sunshine

In Heather Heights, Maryland, the average sunshine in August is 10.5h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health 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:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Frequently asked questions

How hot is August in Heather Heights?

The high-temperature in Heather Heights, Maryland, during August is 82.9°F (28.3°C) and the low-temperature is 67.6°F (19.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is estimated at 91.4°F (33°C).

What is the average humidity in August in Heather Heights?

In Heather Heights, the average relative humidity in August is 78%.

What is the wettest month in Heather Heights?

The month with the most rainfall is August, when the rain falls for 11.2 days and typically aggregates up to 1.42" (36mm) of precipitation.

How many days does it rain in August in Heather Heights?

In August, in Heather Heights, the rain falls for 11.2 days. Throughout August, 1.42" (36mm) of precipitation is accumulated.

When it does not snow in Heather Heights?

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

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

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

When are sunrise and sunset in August in Heather Heights?

On the first day of August in Heather Heights, sunrise is at 6:05 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:36 pm EDT.

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

In Heather Heights, Maryland, the average sunshine duration in August is 10.5h.

What are the months with the highest UV index in Heather Heights?

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

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

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

Average temperature in August - Heather Heights, MD
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (39.2°F).

  • Average low temperature in August: 67.6°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).

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Average pressure in August
Heather Heights, MD

Average pressure in August - Heather Heights, MD
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in August
Heather Heights, MD

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

The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in August
Heather Heights, MD

Average humidity in August - Heather Heights, MD
  • Average humidity in August: 78%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, March, April and November (74%).

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Average rainfall in August
Heather Heights, MD

Average rainfall in August - Heather Heights, MD
  • Average rainfall in August: 1.42"

The wettest month (with the highest rainfall) is August (1.42").
The driest month (with the least rainfall) is September (0.43").

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Average rainfall days in August
Heather Heights, MD

Average rainfall days in August - Heather Heights, MD
  • Average rainfall days in August: 11.2 days

The month with the highest number of rainy days is July (12.4 days).
The month with the least rainy days is November (5.6 days).

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Average snowfall in August
Heather Heights, MD

Average snowfall in August - Heather Heights, MD
  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.59").
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
Heather Heights, MD

Average snowfall days in August - Heather Heights, MD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (3.1 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
Heather Heights, MD

Average daylight in August / Average sunshine in August - Heather 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in August
Heather Heights, MD

Average sunshine days in August - Heather Heights, MD
  • Average sunshine days in August: 17.4 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (15.1 days).

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Average UV index in August
Heather Heights, MD

Average UV index in August - Heather 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 and December (UV index 2).

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Average cloud cover in August
Heather Heights, MD

Average cloud cover in August - Heather 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
Heather Heights, MD

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

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