August weather forecast
Glen Arm, MD

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Weather in August

The last month of the summer, August, is also a moderately hot month in Glen Arm, Maryland, with temperature in the range of an average low of 65.7°F (18.7°C) and an average high of 82.2°F (27.9°C).

Temperature

Glen Arm's shift into August sets the average high-temperature at a still moderately hot 82.2°F (27.9°C), a figure that deviates only slightly from July's 84.6°F (29.2°C). During the month of August, the nighttime temperature falls to an average of 65.7°F (18.7°C).

Heat index

For August, the heat index is evaluated at a hot 87.8°F (31°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
In terms of the heat index, values are set with light wind and shade conditions in mind. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. 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 are extremely significant for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

In Glen Arm, the average relative humidity in August is 77%.

Rainfall

August is the month with the most rainfall in Glen Arm. Rain falls for 15.9 days and accumulates 4.09" (104mm) of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

In Glen Arm, the average length of the day in August is 13h and 40min.
On the first day of the month, sunrise is at 6:06 am and sunset at 8:18 pm. On the last day of August, sunrise is at 6:34 am and sunset at 7:38 pm EDT.

Sunshine

In Glen Arm, the average sunshine in August is 10.1h.

UV index

The months with the highest UV index in Glen Arm 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:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Frequently asked questions

What is the average August temperature in Glen Arm?

The high-temperature, in August, in Glen Arm, records 82.2°F (27.9°C), while the low-temperature is 65.7°F (18.7°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 87.8°F (31°C).

What is the average humidity in August in Glen Arm?

In Glen Arm, Maryland, the average relative humidity in August is 77%.

What is the wettest month in Glen Arm?

August is the month with the most rainfall in Glen Arm, Maryland. Rain falls for 15.9 days and accumulates 4.09" (104mm) of precipitation.

How many days does it rain in August in Glen Arm?

In Glen Arm, in August, during 15.9 rainfall days, 4.09" (104mm) of precipitation is typically accumulated.

When it does not snow in Glen Arm?

In Glen Arm, Maryland, snow does not fall in June through October.

What is the average length of the day in August in Glen Arm?

In Glen Arm, the average day length in August is 13h and 40min.

When are sunrise and sunset in August in Glen Arm?

In August, on the first day of the month, sunrise is at 6:06 am and sunset at 8:18 pm. On the last day of the month, in Glen Arm, sunrise is at 6:34 am and sunset at 7:38 pm EDT.

How many hours of sunshine does Glen Arm have in August?

The average sunshine duration in August in Glen Arm is 10.1h.

What is the month with the highest UV index in Glen Arm?

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

What is the UV index intensity in August in Glen Arm?

In Glen Arm, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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
Glen Arm, MD

Average temperature in August - Glen Arm, MD
  • Average high temperature in August: 82.2°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in August: 65.7°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

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Average pressure in August
Glen Arm, MD

Average pressure in August - Glen Arm, MD
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in August
Glen Arm, MD

Average wind speed in August - Glen Arm, MD
  • Average wind speed in August: 5.4mph

The windiest month (with the highest average wind speed) is March (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in August
Glen Arm, MD

Average humidity in August - Glen Arm, MD
  • Average humidity in August: 77%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in August
Glen Arm, MD

Average rainfall in August - Glen Arm, 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 February (2.09").

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Average rainfall days in August
Glen Arm, MD

Average rainfall days in August - Glen Arm, MD
  • Average rainfall days in August: 15.9 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in August
Glen Arm, MD

Average snowfall in August - Glen Arm, MD
  • Average snowfall in August: 0"

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

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Average snowfall days in August
Glen Arm, MD

Average snowfall days in August - Glen Arm, MD
  • Average snowfall days in August: 0 days

The months with the highest number of snowfall days are January and February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Glen Arm, MD

Average daylight in August / Average sunshine in August - Glen Arm, 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 24min).

  • 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 48min).

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Average sunshine days in August
Glen Arm, MD

Average sunshine days in August - Glen Arm, MD
  • Average sunshine days in August: 13.3 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.7 days).

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Average UV index in August
Glen Arm, MD

Average UV index in August - Glen Arm, 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, February, November and December (UV index 2).

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Average cloud cover in August
Glen Arm, MD

Average cloud cover in August - Glen Arm, MD
  • Average cloud cover in August: 33

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in August
Glen Arm, MD

Average visibility in August - Glen Arm, 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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Glen Arm, Maryland, USA

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