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 an average temperature varying between 68.7°F (20.4°C) and 85.1°F (29.5°C).

Temperature

The arrival of August sees a recorded average high-temperature of a warm 85.1°F (29.5°C), showing little divergence from the previous month's conditions. Throughout August, East Riverdale registers a consistent average low-temperature of 68.7°F (20.4°C).

Heat index

In August, the heat index is computed to be a tropical 93.2°F (34°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. 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 of high significance for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.

Humidity

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

Rainfall

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

Snowfall

In East Riverdale, snow does not fall in May through November.

Daylight

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 August, the average sunshine is 10.3h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 6 in August transforms into this advice:
Take precautions against overexposure. Protection against sun damage is needed. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

How hot is it in August?

During August, East Riverdale experiences an average high-temperature of 85.1°F (29.5°C) and a low-temperature of 68.7°F (20.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is computed to be 93.2°F (34°C).

What is the average humidity in August?

The average relative humidity in August in East Riverdale is 72%.

What is the rainiest month?

The month with the most rainfall is August, when the rain falls for 15.8 days and typically aggregates up to 3.58" (91mm) of precipitation.

How much does it rain in August?

In East Riverdale, during August, the rain falls for 15.8 days and regularly aggregates up to 3.58" (91mm) of precipitation.

When it does not snow?

May through November are months without snowfall.

What is the average length of the day in August?

The average day length in August is 13h and 38min.

What time are sunrise and sunset in August?

On the first day of August, 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?

The average sunshine duration in August is 10.3h.

When is the highest UV index?

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

What is the UV index intensity in August?

The average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to the Sun's 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

East Riverdale, Maryland, USA

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