August weather forecast
Allen, MD

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Weather in August

The last month of the summer, August, is also a moderately hot month in Allen, Maryland, with an average temperature ranging between min 71.1°F (21.7°C) and max 82.8°F (28.2°C).

Temperature

The dawn of August sees an average high-temperature of a still warm 82.8°F (28.2°C), subtly contrasting with July's 84.2°F (29°C). Throughout the month of August, Allen sees a steady low-temperature average of 71.1°F (21.7°C).

Heat index

August's heat index is evaluated at a tropical 89.6°F (32°C). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.

Humidity

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

Rainfall

The month with the most rainfall is August, when the rain falls for 17.2 days and typically aggregates up to 3.46" (88mm) of precipitation.

Snowfall

In Allen, snow does not fall in April through October.

Daylight

In August, the average length of the day is 13h and 37min.
On the first day of August in Allen, Maryland, sunrise is at 6:05 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:33 pm EDT.

Sunshine

In Allen, Maryland, the average sunshine in August is 10.5h.

UV index

The months with the highest UV index in Allen are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In August, the maximum UV index of 6 translates into these guidelines:
Prevent overexposure. Protection from the sun's harmful effects is needed. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

How hot does it get in Allen in August?

In August, the average high-temperature and low-temperature are 82.8°F (28.2°C) and 71.1°F (21.7°C) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in August is evaluated at 89.6°F (32°C).

What is the average humidity in August in Allen?

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

What is the rainiest month in Allen?

The month with the most rainfall in Allen is August, when the rain falls for 17.2 days and typically aggregates up to 3.46" (88mm) of precipitation.

How many days does it rain in August in Allen?

In Allen, in August, it is raining for 17.2 days, with typically 3.46" (88mm) of accumulated precipitation.

When it does not snow in Allen?

In Allen, Maryland, snow does not fall in April through October.

What is the average length of the day in August in Allen?

In Allen, Maryland, the average day length in August is 13h and 37min.

What time are sunrise and sunset in August in Allen?

In August, on the first day of the month, sunrise is at 6:05 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:33 pm EDT.

How many hours of sunshine does Allen have in August?

The average sunshine duration in August in Allen, Maryland, is 10.5h.

When is the highest UV index in Allen?

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

What is the UV index reading in August in Allen?

In Allen, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe 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
Allen, MD

Average temperature in August - Allen, MD
  • Average high temperature in August: 82.8°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (42.1°F).

  • Average low temperature in August: 71.1°F

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

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Average pressure in August
Allen, MD

Average pressure in August - Allen, 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 (29.95"Hg).

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Average wind speed in August
Allen, MD

Average wind speed in August - Allen, MD
  • Average wind speed in August: 7mph

The windiest months (with the highest average wind speed) are January, February and March (10.4mph).
The calmest month (with the lowest average wind speed) is August (7mph).

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Average humidity in August
Allen, MD

Average humidity in August - Allen, MD
  • Average humidity in August: 77%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is January (74%).

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Average rainfall in August
Allen, MD

Average rainfall in August - Allen, MD
  • Average rainfall in August: 3.46"

The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is January (1.93").

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Average rainfall days in August
Allen, MD

Average rainfall days in August - Allen, MD
  • Average rainfall days in August: 17.2 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (9.7 days).

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Average snowfall in August
Allen, MD

Average snowfall in August - Allen, MD
  • Average snowfall in August: 0"

The month with the highest snowfall is January (1.34").
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
Allen, MD

Average snowfall days in August - Allen, MD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (3.1 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
Allen, MD

Average daylight in August / Average sunshine in August - Allen, MD
  • Average daylight in August: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in August: 10h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are February and December (Average sunshine: 5h and 18min).

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Average sunshine days in August
Allen, MD

Average sunshine days in August - Allen, MD
  • Average sunshine days in August: 9.8 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is August (9.8 days).

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Average UV index in August
Allen, MD

Average UV index in August - Allen, 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 and December (UV index 2).

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Average cloud cover in August
Allen, MD

Average cloud cover in August - Allen, MD
  • Average cloud cover in August: 28

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in August
Allen, MD

Average visibility in August - Allen, 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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Allen, Maryland, USA

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