August weather forecast
Riverview, DE

Weather in August

August, the last month of the summer in Riverview, is also a moderately hot month, with temperature in the range of an average low of 68.2°F (20.1°C) and an average high of 82.2°F (27.9°C).

Temperature

In August, the average high-temperature is relatively the same as in July - a still warm 82.2°F (27.9°C). In August, in Riverview, the average low-temperature is 68.2°F (20.1°C).

Heat index

The average heat index in August is appraised at a tropical 89.6°F (32°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'apparent temperature', or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, metabolic differences, wind), and activity. 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 particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The months with the highest humidity are May, August and September, with an average relative humidity of 79%.

Rainfall

The month with the most rainfall is August, when the rain falls for 16.9 days and typically aggregates up to 3.9" (99mm) of precipitation.

Snowfall

In Riverview, snow does not fall in May through October.

Daylight

In August, the average length of the day in Riverview is 13h and 39min.
On the first day of August in Riverview, sunrise is at 6:02 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:34 pm EDT.

Sunshine

The average sunshine in August 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 estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in August in Riverview?

The average high-temperature, in August, in Riverview, Delaware, is 82.2°F (27.9°C), while the average low-temperature is 68.2°F (20.1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in August is appraised at 89.6°F (32°C).

What is the most humid month in Riverview?

May, August and September, with an average relative humidity of 79%, are most humid months in Riverview.

What is the average humidity in August in Riverview?

In August, the average relative humidity in Riverview is 79%.

What is the rainiest month in Riverview?

August is the month with the most rainfall. Rain falls for 16.9 days and accumulates 3.9" (99mm) of precipitation.

How many days does it rain in August in Riverview?

In August, the rain falls for 16.9 days. Throughout August, 3.9" (99mm) of precipitation is accumulated.

When it does not snow in Riverview?

In Riverview, Delaware, snow does not fall in May through October.

How many hours of daylight does Riverview have in August?

In Riverview, the average day length in August is 13h and 39min.

What time are sunrise and sunset in August in Riverview?

In August, on the first day of the month, sunrise is at 6:02 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:34 pm EDT.

How long on average sun shines in August in Riverview?

In Riverview, Delaware, the average sunshine duration in August is 10.3h.

What is the month with the highest UV index in Riverview?

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

What is the UV index reading in August in Riverview?

The average daily maximum UV index in August is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Riverview, DE

Average temperature in August - Riverview, DE
  • Average high temperature in August: 82.2°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 (40.3°F).

  • Average low temperature in August: 68.2°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

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Average pressure in August
Riverview, DE

Average pressure in August - Riverview, DE
  • Average pressure in August: 29.98"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in August
Riverview, DE

Average wind speed in August - Riverview, DE
  • Average wind speed in August: 6.3mph

The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in August
Riverview, DE

Average humidity in August - Riverview, DE
  • Average humidity in August: 79%

The months with the highest relative humidity are May, August and September (79%).
The months with the lowest relative humidity are January, March, April and November (74%).

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Average rainfall in August
Riverview, DE

Average rainfall in August - Riverview, DE
  • Average rainfall in August: 3.9"

The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is January (2.13").

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Average rainfall days in August
Riverview, DE

Average rainfall days in August - Riverview, DE
  • Average rainfall days in August: 16.9 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (9 days).

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Average snowfall in August
Riverview, DE

Average snowfall in August - Riverview, DE
  • Average snowfall in August: 0"

The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in August
Riverview, DE

Average snowfall days in August - Riverview, DE
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4.3 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
Riverview, DE

Average daylight in August / Average sunshine in August - Riverview, DE
  • Average daylight in August: 13h and 39min

The month with the longest days is June (Average daylight: 14h and 52min).
The month with the shortest days is December (Average daylight: 9h and 29min).

  • Average sunshine in August: 10h and 18min

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 54min).

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Average sunshine days in August
Riverview, DE

Average sunshine days in August - Riverview, DE
  • Average sunshine days in August: 12 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (9.7 days).

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Average UV index in August
Riverview, DE

Average UV index in August - Riverview, DE
  • 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
Riverview, DE

Average cloud cover in August - Riverview, DE
  • Average cloud cover in August: 31

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in August
Riverview, DE

Average visibility in August - Riverview, DE
  • 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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