August weather forecast and climate
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 high of 82.2°F (27.9°C) and an average low of 68.2°F (20.1°C).

Temperature

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

Heat index

The average heat index is estimated at a hot 89.1°F (31.7°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'apparent temperature', or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. Additional factors like activity, differences in body mass, height, and shape, pregnancy, and wind affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, 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

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

Rainfall

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

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day is 13.6h.

Sunshine

In August, the average sunshine is 10.3h.

UV index

Months with the highest UV index in Riverview are May through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in August in Riverview?

The average high-temperature, in August, in Riverview, 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. 'felt air temperature', 'real feel'), that factores the actual air temperature with the relative humidity, in August is evaluated at 89.1°F (31.7°C).

What are the most humid months in Riverview?

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

What is the average humidity in August in Riverview?

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

How much does it rain in Riverview in August?

In Riverview, in August, during 16.9 rainfall days, 3.9" (99mm) of precipitation is typically accumulated.

What is the rainiest month in Riverview?

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

When it does not snow in Riverview?

May through October are months without snowfall in Riverview, Delaware.

How many hours of daylight does Riverview have in August?

In August, the average length of the day in Riverview is 13.6h.

How long on average sun shines in August in Riverview?

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

What are the months 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.

What is the UV index intensity in August in Riverview?

The average daily maximum UV index in August in Riverview, Delaware, is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to the UV radiation.

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"

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

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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%

Months with the highest relative humidity are May, August and September (79%).
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").
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).
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: 13.6h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in August: 10.3h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.9h).

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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

Months with the highest UV index are May, June, July and August (UV index 6).
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

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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