August weather forecast
Selbyville, DE

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Weather in August

August in Selbyville continues the rigors of summer, although temperatures slightly retreat from July’s peak, making it a tad more tolerable. The weather remains predominantly warm, with moderate winds that seem to carry hints of the forthcoming change. Copious amounts of daylight persist, offering abundant opportunities for summer pursuits before the season starts to wind down. Sun-soaked patterns rule this persistently radiant August weather. Gradually nearing its closure, August carries along the intense summer, handing it over to a transitional September.

Temperature

With the advent of August, Selbyville experiences an average high-temperature of a still warm 79.7°F, mirroring a close resemblance to the previous month. Selbyville observes an average low-temperature of 72.7°F during the slightly cooler nights of August.

Humidity

In Selbyville, the average relative humidity in August is 78%.

Rainfall

The months with the most rainfall are July and August, with an average 2.87" of precipitation.

Snowfall

In Selbyville, Delaware, snow does not fall in April through October.

Daylight

The average length of the day in August is 13h and 37min.
On the first day of August in Selbyville, Delaware, sunrise is at 6:02 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:33 pm EDT.

Sunshine

In August, the average sunshine is 10.5h.

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 threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 6 during August translates into the following directions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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FAQ

What are August temperatures in Selbyville?

Selbyville in August has an average high-temperature of 79.7°F and an average low-temperature of 72.7°F.

What is the average humidity in August in Selbyville?

In Selbyville, the average relative humidity in August is 78%.

What is the wettest month in Selbyville?

The months with the most rainfall in Selbyville, Delaware, are July and August, with an average 2.87" of precipitation.

How many days does it rain in August in Selbyville?

In August, in Selbyville, Delaware, the rain falls for 15.1 days. Throughout August, 2.87" of precipitation is accumulated.

When it does not snow in Selbyville?

April through October are months without snowfall in Selbyville, Delaware.

How many hours of daylight does Selbyville have in August?

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

When are sunrise and sunset in August in Selbyville?

On the first day of August in Selbyville, Delaware, sunrise is at 6:02 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 7:33 pm EDT.

How many hours of sunshine does Selbyville have in August?

In August, the average sunshine duration in Selbyville, Delaware, is 10.5h.

What are the months with the highest UV index in Selbyville?

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

What is the UV index intensity in August in Selbyville?

In Selbyville, the average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Selbyville, DE

Average temperature in August - Selbyville, DE
  • Average high temperature in August: 79.7°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (42.1°F).

  • Average low temperature in August: 72.7°F

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).

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Average pressure in August
Selbyville, DE

Average pressure in August - Selbyville, 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
Selbyville, DE

Average wind speed in August - Selbyville, DE
  • Average wind speed in August: 8.7mph

The windiest month (with the highest average wind speed) is January (12.8mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

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Average humidity in August
Selbyville, DE

Average humidity in August - Selbyville, DE
  • Average humidity in August: 78%

The month with the highest relative humidity is May (82%).
The months with the lowest relative humidity are January and November (74%).

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Average rainfall in August
Selbyville, DE

Average rainfall in August - Selbyville, DE
  • Average rainfall in August: 2.87"

The wettest months (with the highest rainfall) are July and August (2.87").
The driest month (with the least rainfall) is January (1.5").

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Average rainfall days in August
Selbyville, DE

Average rainfall days in August - Selbyville, DE
  • Average rainfall days in August: 15.1 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (7.4 days).

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Average snowfall in August
Selbyville, DE

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

The month with the highest snowfall is February (0.87").
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
Selbyville, DE

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

The month with the highest number of snowfall days is January (2.6 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
Selbyville, DE

Average daylight in August / Average sunshine in August - Selbyville, DE
  • 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 30min).

  • 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 6min).

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Average sunshine days in August
Selbyville, DE

Average sunshine days in August - Selbyville, DE
  • Average sunshine days in August: 13 days

The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is July (12.9 days).

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Average UV index in August
Selbyville, DE

Average UV index in August - Selbyville, 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
Selbyville, DE

Average cloud cover in August - Selbyville, DE
  • Average cloud cover in August: 28

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in August
Selbyville, DE

Average visibility in August - Selbyville, 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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Selbyville, Delaware, USA

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