August weather forecast
Sandy Spring, MD

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Weather in August

The last month of the summer, August, is another warm month in Sandy Spring, Maryland, with an average temperature varying between 67.6°F (19.8°C) and 84.9°F (29.4°C).

Temperature

At the start of August, Sandy Spring's average high-temperature reaches a moderately hot 84.9°F (29.4°C), subtly different from the preceding month. August nights cool down to an average low-temperature of 67.6°F (19.8°C).

Heat index

The heat index value for August is appraised at a hot 93.2°F (34°C). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

In August, the average relative humidity is 71%.

Rainfall

August is the month with the most rainfall in Sandy Spring. Rain falls for 17.1 days and accumulates 4.13" (105mm) of precipitation.

Snowfall

May through October are months without snowfall in Sandy Spring.

Daylight

In Sandy Spring, Maryland, the average length of the day in August is 13h and 39min.
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, in Sandy Spring, Maryland, sunrise is at 6:36 am and sunset at 7:39 pm EDT.

Sunshine

The average sunshine in August in Sandy Spring is 10.2h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: An average maximum UV index of 6 in August leads to these recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

Is it hot in Sandy Spring during August?

Sandy Spring in August has an average high-temperature of 84.9°F (29.4°C) and an average low-temperature of 67.6°F (19.8°C). The average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 93.2°F (34°C).

What is the average humidity in August in Sandy Spring?

In Sandy Spring, Maryland, the average relative humidity in August is 71%.

What is the wettest month in Sandy Spring?

The month with the most rainfall in Sandy Spring, Maryland, is August, when the rain falls for 17.1 days and typically aggregates up to 4.13" (105mm) of precipitation.

How many days does it rain in August in Sandy Spring?

In Sandy Spring, during August, the rain falls for 17.1 days and regularly aggregates up to 4.13" (105mm) of precipitation.

When it does not snow in Sandy Spring?

May through October are months without snowfall in Sandy Spring, Maryland.

What is the average length of the day in August in Sandy Spring?

In Sandy Spring, Maryland, the average day length in August is 13h and 39min.

When are sunrise and sunset in August in Sandy Spring?

On the first day of August in Sandy 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 long on average sun shines in August in Sandy Spring?

In Sandy Spring, Maryland, the average sunshine duration in August is 10.2h.

When is the highest UV index in Sandy Spring?

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

How high is the UV index in August in Sandy Spring?

In Sandy Spring, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
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
Sandy Spring, MD

Average temperature in August - Sandy Spring, MD
  • Average high temperature in August: 84.9°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in August: 67.6°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

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Average pressure in August
Sandy Spring, MD

Average pressure in August - Sandy 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
Sandy Spring, MD

Average wind speed in August - Sandy Spring, MD
  • Average wind speed in August: 5.1mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in August
Sandy Spring, MD

Average humidity in August - Sandy Spring, MD
  • Average humidity in August: 71%

The months with the highest relative humidity are May, October and December (76%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in August
Sandy Spring, MD

Average rainfall in August - Sandy Spring, MD
  • Average rainfall in August: 4.13"

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.17").

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Average rainfall days in August
Sandy Spring, MD

Average rainfall days in August - Sandy Spring, MD
  • Average rainfall days in August: 17.1 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in August
Sandy Spring, MD

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

The months with the highest snowfall are January and March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Sandy Spring, MD

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

The months with the highest number of snowfall days are January and February (5.1 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
Sandy Spring, MD

Average daylight in August / Average sunshine in August - Sandy 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 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in August
Sandy Spring, MD

Average sunshine days in August - Sandy Spring, MD
  • Average sunshine days in August: 12.3 days

The month with the most sunshine days is November (19.4 days).
The months with the least sunshine days are May and July (11 days).

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Average UV index in August
Sandy Spring, MD

Average UV index in August - Sandy 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
Sandy Spring, MD

Average cloud cover in August - Sandy Spring, MD
  • Average cloud cover in August: 33

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in August
Sandy Spring, MD

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

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