August weather forecast
Potomac Heights, MD

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Weather in August

The last month of the summer, August, is also a hot month in Potomac Heights, Maryland, with temperature in the range of an average high of 86°F (30°C) and an average low of 66.7°F (19.3°C).

Temperature

The arrival of August marks a slight shift to an average high-temperature of a still tropical 86°F (30°C) from July's 88.2°F (31.2°C). Throughout August, Potomac Heights witnesses a nighttime temperature average of 66.7°F (19.3°C).

Heat index

The heat index value during August is appraised at a torrid 96.8°F (36°C). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'real feel' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

The average relative humidity in August in Potomac Heights is 74%.

Rainfall

August is the month with the most rainfall in Potomac Heights. Rain falls for 17.7 days and accumulates 3.86" (98mm) of precipitation.

Snowfall

May through November are months without snowfall.

Daylight

In Potomac Heights, the average length of the day in August is 13h and 37min.
On the first day of the month, sunrise is at 6:10 am and sunset at 8:18 pm. On the last day of August, sunrise is at 6:37 am and sunset at 7:39 pm EDT.

Sunshine

The average sunshine in August in Potomac Heights is 10.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Potomac Heights, Maryland. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: In August, a regular UV index of 6 translates into these guidelines:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

How hot is it in Potomac Heights in August?

In Potomac Heights, in August, the average high-temperature is 86°F (30°C), and the average low-temperature is 66.7°F (19.3°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, is appraised at 96.8°F (36°C).

What is the average humidity in August in Potomac Heights?

In Potomac Heights, Maryland, the average relative humidity in August is 74%.

What is the rainiest month in Potomac Heights?

August is the month with the most rainfall. Rain falls for 17.7 days and accumulates 3.86" (98mm) of precipitation.

How much does it rain in Potomac Heights in August?

In Potomac Heights, Maryland, in August, during 17.7 rainfall days, 3.86" (98mm) of precipitation is typically accumulated.

When it does not snow in Potomac Heights?

In Potomac Heights, snow does not fall in May through November.

What is the average length of the day in August in Potomac Heights?

In August, the average day length in Potomac Heights is 13h and 37min.

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

On the first day of August in Potomac Heights, sunrise is at 6:10 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 7:39 pm EDT.

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

In Potomac Heights, Maryland, the average sunshine duration in August is 10.3h.

When is the highest UV index in Potomac Heights?

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

How high is the UV index in August in Potomac Heights?

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

Average temperature in August - Potomac Heights, MD
  • Average high temperature in August: 86°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in August: 66.7°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

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Average pressure in August
Potomac Heights, MD

Average pressure in August - Potomac 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 (29.95"Hg).

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Average wind speed in August
Potomac Heights, MD

Average wind speed in August - Potomac Heights, MD
  • Average wind speed in August: 4.8mph

The windiest months (with the highest average wind speed) are March and April (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity in August
Potomac Heights, MD

Average humidity in August - Potomac Heights, MD
  • Average humidity in August: 74%

The months with the highest relative humidity are May, October and December (77%).
The months with the lowest relative humidity are April and July (72%).

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Average rainfall in August
Potomac Heights, MD

Average rainfall in August - Potomac Heights, MD
  • Average rainfall in August: 3.86"

The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (2.01").

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Average rainfall days in August
Potomac Heights, MD

Average rainfall days in August - Potomac Heights, MD
  • Average rainfall days in August: 17.7 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (9.1 days).

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Average snowfall in August
Potomac Heights, MD

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

The month with the highest snowfall is January (2.44").
The months with the least snowfall are May, June, July, August, September, October and November (0").

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Average snowfall days in August
Potomac Heights, MD

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

The month with the highest number of snowfall days is January (4.8 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
Potomac Heights, MD

Average daylight in August / Average sunshine in August - Potomac Heights, MD
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
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 months with the least sunshine are February and December (Average sunshine: 5h and 12min).

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Average sunshine days in August
Potomac Heights, MD

Average sunshine days in August - Potomac Heights, MD
  • Average sunshine days in August: 11 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (10.6 days).

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Average UV index in August
Potomac Heights, MD

Average UV index in August - Potomac 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, November and December (UV index 2).

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Average cloud cover in August
Potomac Heights, MD

Average cloud cover in August - Potomac Heights, MD
  • Average cloud cover in August: 33

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in August
Potomac Heights, MD

Average visibility in August - Potomac Heights, 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).

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Potomac Heights, Maryland, USA

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