August weather forecast
Stewarts Purchase, MD

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Weather in August

August, the last month of the summer in Stewarts Purchase, is also a moderately hot month, with an average temperature fluctuating between 83.7°F (28.7°C) and 69.1°F (20.6°C).

Temperature

The start of August sees the average high-temperature at a still moderately hot 83.7°F (28.7°C), showing little difference from July's 85.6°F (29.8°C). During August, Stewarts Purchase records a consistent average nighttime temperature of 69.1°F (20.6°C).

Heat index

During August, the heat index is computed to be a hot 91.4°F (33°C). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

In August, the average relative humidity is 73%.

Rainfall

August is the month with the most rainfall in Stewarts Purchase. Rain falls for 13.9 days and accumulates 3.54" (90mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Stewarts Purchase, Maryland, the average length of the day in August 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

The average sunshine in August in Stewarts Purchase, Maryland, is 10.4h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In August, the UV index of 6 transforms into the following advice:
Ward off overexposure. Defence against solar harm is crucial. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

How hot is August in Stewarts Purchase?

August temperatures vary between a high-temperature of 83.7°F (28.7°C) and a low-temperature of 69.1°F (20.6°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 91.4°F (33°C).

What is the average humidity in August in Stewarts Purchase?

In Stewarts Purchase, Maryland, the average relative humidity in August is 73%.

What is the rainiest month in Stewarts Purchase?

August is the month with the most rainfall in Stewarts Purchase. Rain falls for 13.9 days and accumulates 3.54" (90mm) of precipitation.

How much does it rain in Stewarts Purchase in August?

In August, the rain falls for 13.9 days. Throughout August, 3.54" (90mm) of precipitation is accumulated.

When it does not snow in Stewarts Purchase?

May through October are months without snowfall in Stewarts Purchase.

What is the average length of the day in August in Stewarts Purchase?

The average day length in August in Stewarts Purchase is 13h and 39min.

When are sunrise and sunset in August in Stewarts Purchase?

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

How many hours of sunshine does Stewarts Purchase have in August?

The average sunshine duration in August in Stewarts Purchase is 10.4h.

What is the month with the highest UV index in Stewarts Purchase?

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

How high is the UV index in August in Stewarts Purchase?

The average daily maximum UV index in August in Stewarts Purchase, Maryland, is 6. A UV Index estimate of 6 to 7 represents 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
Stewarts Purchase, MD

Average temperature in August - Stewarts Purchase, MD
  • Average high temperature in August: 83.7°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in August: 69.1°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in August
Stewarts Purchase, MD

Average pressure in August - Stewarts Purchase, 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
Stewarts Purchase, MD

Average wind speed in August - Stewarts Purchase, MD
  • Average wind speed in August: 6mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in August
Stewarts Purchase, MD

Average humidity in August - Stewarts Purchase, MD
  • Average humidity in August: 73%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

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Average rainfall in August
Stewarts Purchase, MD

Average rainfall in August - Stewarts Purchase, MD
  • Average rainfall in August: 3.54"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in August
Stewarts Purchase, MD

Average rainfall days in August - Stewarts Purchase, MD
  • Average rainfall days in August: 13.9 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

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Average snowfall in August
Stewarts Purchase, MD

Average snowfall in August - Stewarts Purchase, MD
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Stewarts Purchase, MD

Average snowfall days in August - Stewarts Purchase, MD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4.4 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
Stewarts Purchase, MD

Average daylight in August / Average sunshine in August - Stewarts Purchase, 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
Stewarts Purchase, MD

Average sunshine days in August - Stewarts Purchase, MD
  • Average sunshine days in August: 15.3 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in August
Stewarts Purchase, MD

Average UV index in August - Stewarts Purchase, 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
Stewarts Purchase, MD

Average cloud cover in August - Stewarts Purchase, MD
  • Average cloud cover in August: 30

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in August
Stewarts Purchase, MD

Average visibility in August - Stewarts Purchase, 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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Stewarts Purchase, Maryland, USA

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