August weather forecast
Shannon Forest, MD

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Weather in August

The last month of the summer, August, is another warm month in Shannon Forest, Maryland, with an average temperature varying between 68.9°F (20.5°C) and 83.8°F (28.8°C).

Temperature

August denotes a minimal variation in the average high-temperature to a still moderately hot 83.8°F (28.8°C) from July's 85.5°F (29.7°C). The low-temperature in Shannon Forest averages to an agreeable 68.9°F (20.5°C) during the nights of August.

Heat index

During August, the heat index is computed to be a tropical 91.4°F (33°C). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Heat index determinations are made taking into account the shade and light air movements. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.

Humidity

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

Rainfall

August is the month with the most rainfall in Shannon Forest. Rain falls for 16.8 days and accumulates 4.09" (104mm) of precipitation.

Snowfall

In Shannon Forest, snow does not fall in April through October.

Daylight

The average length of the day in August in Shannon Forest is 13h and 39min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:17 pm. On the last day of August, sunrise is at 6:34 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 of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 6 in August converts into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

How hot is it in Shannon Forest in August?

The high-temperature, in August, in Shannon Forest, records 83.8°F (28.8°C), while the low-temperature is 68.9°F (20.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in August is computed to be 91.4°F (33°C).

What is the average humidity in August in Shannon Forest?

In Shannon Forest, Maryland, the average relative humidity in August is 73%.

What is the rainiest month in Shannon Forest?

The month with the most rainfall in Shannon Forest is August, when the rain falls for 16.8 days and typically aggregates up to 4.09" (104mm) of precipitation.

How many days does it rain in August in Shannon Forest?

In August, in Shannon Forest, the rain falls for 16.8 days. Throughout August, 4.09" (104mm) of precipitation is accumulated.

When it does not snow in Shannon Forest?

April through October are months without snowfall in Shannon Forest, Maryland.

How many hours of daylight does Shannon Forest have in August?

In August, the average day length in Shannon Forest is 13h and 39min.

When is the sunrise / sunset in August in Shannon Forest?

On the first day of August in Shannon Forest, Maryland, sunrise is at 6:07 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 7:38 pm EDT.

How many hours of sunshine does Shannon Forest have in August?

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

What is the month with the highest UV index in Shannon Forest?

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

What is the UV index reading in August in Shannon Forest?

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

Average temperature in August - Shannon Forest, MD
  • Average high temperature in August: 83.8°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in August: 68.9°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

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Average pressure in August
Shannon Forest, MD

Average pressure in August - Shannon Forest, 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
Shannon Forest, MD

Average wind speed in August - Shannon Forest, MD
  • Average wind speed in August: 5.8mph

The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in August
Shannon Forest, MD

Average humidity in August - Shannon Forest, MD
  • Average humidity in August: 73%

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

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Average rainfall in August
Shannon Forest, MD

Average rainfall in August - Shannon Forest, MD
  • Average rainfall in August: 4.09"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.81").

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Average rainfall days in August
Shannon Forest, MD

Average rainfall days in August - Shannon Forest, MD
  • Average rainfall days in August: 16.8 days

The month with the highest number of rainy days is May (18 days).
The months with the least rainy days are January and November (8.4 days).

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Average snowfall in August
Shannon Forest, MD

Average snowfall in August - Shannon Forest, MD
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.09").
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
Shannon Forest, MD

Average snowfall days in August - Shannon Forest, MD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (3.8 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
Shannon Forest, MD

Average daylight in August / Average sunshine in August - Shannon Forest, 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
Shannon Forest, MD

Average sunshine days in August - Shannon Forest, MD
  • Average sunshine days in August: 12.1 days

The month with the most sunshine days is November (19.9 days).
The months with the least sunshine days are May and July (10.8 days).

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Average UV index in August
Shannon Forest, MD

Average UV index in August - Shannon Forest, 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
Shannon Forest, MD

Average cloud cover in August - Shannon Forest, MD
  • Average cloud cover in August: 31

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
Shannon Forest, MD

Average visibility in August - Shannon Forest, 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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Shannon Forest, Maryland, USA

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