August weather forecast
Silver Spring, MD

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Weather in August

August, the last month of the summer in Silver Spring, is also a moderately hot month, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 68.2°F (20.1°C).

Temperature

August's arrival registers an average high-temperature of a warm 85.6°F (29.8°C), closely aligning with the temperature of the previous month. Throughout the month of August, Silver Spring witnesses an average low-temperature of 68.2°F (20.1°C).

Heat index

August's mean heat index is evaluated at a sweltering 95°F (35°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

In Silver Spring, the average relative humidity in August is 70%.

Rainfall

August is the month with the most rainfall in Silver Spring. Rain falls for 16.3 days and accumulates 3.86" (98mm) of precipitation.

Snowfall

In Silver Spring, snow does not fall in May through October.

Daylight

In August, the average length of the day is 13h and 38min.
On the first day of the month, sunrise is at 6:09 am and sunset at 8:19 pm. On the last day of August, sunrise is at 6:36 am and sunset at 7:39 pm EDT.

Sunshine

In Silver Spring, the average sunshine in August is 10.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Silver Spring. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum high UV index of 6 in August translates into the following recommendations:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

How hot does it get in Silver Spring in August?

The high-temperature, in August, in Silver Spring, records 85.6°F (29.8°C), while the low-temperature is 68.2°F (20.1°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 95°F (35°C).

What is the average humidity in August in Silver Spring?

The average relative humidity in August is 70%.

What is the wettest month in Silver Spring?

August is the month with the most rainfall in Silver Spring, Maryland. Rain falls for 16.3 days and accumulates 3.86" (98mm) of precipitation.

How much does it rain in Silver Spring in August?

In Silver Spring, Maryland, in August, it is raining for 16.3 days, with typically 3.86" (98mm) of accumulated precipitation.

When it does not snow in Silver Spring?

In Silver Spring, snow does not fall in May through October.

How many hours of daylight does Silver Spring have in August?

In August, the average day length in Silver Spring is 13h and 38min.

What time are sunrise and sunset in August in Silver Spring?

On the first day of August in Silver Spring, sunrise is at 6:09 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:39 pm EDT.

How many hours of sunshine does Silver Spring have in August?

In August, the average sunshine duration in Silver Spring, Maryland, is 10.1h.

What are the months with the highest UV index in Silver Spring?

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 Silver Spring?

In Silver Spring, Maryland, the average daily maximum UV index in August is 6. A UV Index 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
Silver Spring, MD

Average temperature in August - Silver Spring, MD
  • Average high temperature in August: 85.6°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in August: 68.2°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

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Average pressure in August
Silver Spring, MD

Average pressure in August - Silver Spring, 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
Silver Spring, MD

Average wind speed in August - Silver Spring, MD
  • Average wind speed in August: 5.2mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in August
Silver Spring, MD

Average humidity in August - Silver Spring, MD
  • Average humidity in August: 70%

The months with the highest relative humidity are May, October and December (75%).
The month with the lowest relative humidity is July (69%).

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Average rainfall in August
Silver Spring, MD

Average rainfall in August - Silver Spring, 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 (1.89").

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Average rainfall days in August
Silver Spring, MD

Average rainfall days in August - Silver Spring, MD
  • Average rainfall days in August: 16.3 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in August
Silver Spring, MD

Average snowfall in August - Silver Spring, MD
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Silver Spring, MD

Average snowfall days in August - Silver Spring, MD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4.6 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
Silver Spring, MD

Average daylight in August / Average sunshine in August - Silver Spring, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in August
Silver Spring, MD

Average sunshine days in August - Silver Spring, MD
  • Average sunshine days in August: 13.8 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (12 days).

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Average UV index in August
Silver Spring, MD

Average UV index in August - Silver Spring, 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
Silver Spring, MD

Average cloud cover in August - Silver Spring, MD
  • Average cloud cover in August: 34

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in August
Silver Spring, MD

Average visibility in August - Silver Spring, 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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Silver Spring, Maryland, USA

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