August weather forecast
East Riverdale, MD

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Weather in August

The last month of the summer, August, is also a moderately hot month in East Riverdale, Maryland, with temperature in the range of an average high of 85.1°F (29.5°C) and an average low of 68.7°F (20.4°C).

Temperature

As East Riverdale welcomes August, the average high-temperature records at a warm 85.1°F (29.5°C), marking an insignificant deviation from the prior month. East Riverdale's average low-temperature during August nights is observed to be an agreeable 68.7°F (20.4°C).

Heat index

August's heat index is appraised at a hot 93.2°F (34°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
One should consider that heat index numbers are for shaded settings and light wind. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

In August, the average relative humidity is 72%.

Rainfall

August is the month with the most rainfall. Rain falls for 15.8 days and accumulates 3.58" (91mm) of precipitation.

Snowfall

May through November are months without snowfall.

Daylight

In East Riverdale, the average length of the day in August is 13h and 38min.
On the first day of the month, sunrise is at 6:09 am and sunset at 8:18 pm. On the last day of August, sunrise is at 6:36 am and sunset at 7:39 pm EDT.

Sunshine

In East Riverdale, the average sunshine in August is 10.3h.

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 health vulnerability from unsafe exposure to UV radiation for the average person.
Note: A maximum daily UV index of 6 during August morphs into the following directions:
Fend off overexposure. Sun protection is vital. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
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Frequently asked questions

How hot does it get in East Riverdale in August?

In East Riverdale, in August, the average high-temperature is 85.1°F (29.5°C), and the average low-temperature is 68.7°F (20.4°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is appraised at 93.2°F (34°C).

What is the average humidity in August in East Riverdale?

In East Riverdale, the average relative humidity in August is 72%.

What is the wettest month in East Riverdale?

August is the month with the most rainfall in East Riverdale, Maryland. Rain falls for 15.8 days and accumulates 3.58" (91mm) of precipitation.

How much does it rain in East Riverdale in August?

In August, in East Riverdale, Maryland, the rain falls for 15.8 days. Throughout August, 3.58" (91mm) of precipitation is accumulated.

When it does not snow in East Riverdale?

May through November are months without snowfall.

How many hours of daylight does East Riverdale have in August?

In East Riverdale, Maryland, the average day length in August is 13h and 38min.

When is the sunrise / sunset in August in East Riverdale?

In August, on the first day of the month, sunrise is at 6:09 am and sunset at 8:18 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 East Riverdale?

In East Riverdale, the average sunshine duration in August is 10.3h.

What are the months with the highest UV index in East Riverdale?

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

How high is the UV index in August in East Riverdale?

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
East Riverdale, MD

Average temperature in August - East Riverdale, MD
  • Average high temperature in August: 85.1°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 (39.9°F).

  • Average low temperature in August: 68.7°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

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Average pressure in August
East Riverdale, MD

Average pressure in August - East Riverdale, 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
East Riverdale, MD

Average wind speed in August - East Riverdale, MD
  • Average wind speed in August: 5.3mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in August
East Riverdale, MD

Average humidity in August - East Riverdale, MD
  • Average humidity in August: 72%

The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).

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Average rainfall in August
East Riverdale, MD

Average rainfall in August - East Riverdale, MD
  • Average rainfall in August: 3.58"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is January (2.01").

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Average rainfall days in August
East Riverdale, MD

Average rainfall days in August - East Riverdale, MD
  • Average rainfall days in August: 15.8 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (9 days).

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Average snowfall in August
East Riverdale, MD

Average snowfall in August - East Riverdale, MD
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September, October and November (0").

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Average snowfall days in August
East Riverdale, MD

Average snowfall days in August - East Riverdale, MD
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4.1 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
East Riverdale, MD

Average daylight in August / Average sunshine in August - East Riverdale, 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 0min).

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Average sunshine days in August
East Riverdale, MD

Average sunshine days in August - East Riverdale, MD
  • Average sunshine days in August: 12.8 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).

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Average UV index in August
East Riverdale, MD

Average UV index in August - East Riverdale, 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
East Riverdale, MD

Average cloud cover in August - East Riverdale, MD
  • Average cloud cover in August: 31

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in August
East Riverdale, MD

Average visibility in August - East Riverdale, 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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East Riverdale, Maryland, USA

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