August weather forecast
Clayton, DE

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Weather in August

August continues the trend of high temperatures from July, albeit with a slight dip, signaling the gradual yet impending arrival of fall in Clayton, Delaware. This month sees the second-highest rainfall, a notable variation from the warmer climate. Fluctuations in wind speeds are minor, with average gusts plateauing at 10mph (16.1km/h). A distinct relief from the heat is still far, and the summer sun continues to dominate. While the UV index continues to be high, daylight hours start decreasing, hinting at seasonal changes.

Temperature

In August, Clayton's weather conditions record an average high-temperature of a still warm 82.4°F (28°C), demonstrating little divergence from the preceding month. Clayton records a consistent low-temperature of 67.6°F (19.8°C) during August nights.

Heat index

The heat index value for August is appraised at a tropical 89.6°F (32°C). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
In terms of the heat index, values are set with light wind and shade conditions in mind. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.

Humidity

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

Rainfall

The month with the most rainfall is August, when the rain falls for 16.4 days and typically aggregates up to 3.86" (98mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Clayton, the average length of the day in August is 13h and 40min.
On the first day of the month, sunrise is at 6:03 am and sunset at 8:14 pm. On the last day of August, sunrise is at 6:30 am and sunset at 7:34 pm EDT.

Sunshine

The average sunshine in August 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 health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 6 during August translates into these guidelines:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

How hot is August?

During August, Clayton experiences an average high-temperature of 82.4°F (28°C) and a low-temperature of 67.6°F (19.8°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is appraised at 89.6°F (32°C).

What is the average humidity in August?

In August, the average relative humidity is 78%.

What is the wettest month?

August is the month with the most rainfall. Rain falls for 16.4 days and accumulates 3.86" (98mm) of precipitation.

How many days does it rain in August?

In Clayton, Delaware, during August, the rain falls for 16.4 days and regularly aggregates up to 3.86" (98mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Clayton have in August?

In August, the average day length in Clayton, Delaware, is 13h and 40min.

When are sunrise and sunset in August?

On the first day of August, sunrise is at 6:03 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:34 pm EDT.

How many hours of sunshine does Clayton have in August?

In August, the average sunshine duration is 10.5h.

What is the month with the highest UV index?

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

What is the UV index reading in August?

In August, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability 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
Clayton, DE

Average temperature in August - Clayton, DE
  • Average high temperature in August: 82.4°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (39.2°F).

  • Average low temperature in August: 67.6°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).

Average pressure in August
Clayton, DE

Average pressure in August - Clayton, 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).

Average wind speed in August
Clayton, DE

Average wind speed in August - Clayton, DE
  • Average wind speed in August: 6mph

The windiest months (with the highest average wind speed) are February and March (9.5mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in August
Clayton, DE

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

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is April (73%).

Average rainfall in August
Clayton, DE

Average rainfall in August - Clayton, DE
  • Average rainfall in August: 3.86"

The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (2.13").

Average rainfall days in August
Clayton, DE

Average rainfall days in August - Clayton, DE
  • Average rainfall days in August: 16.4 days

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in August
Clayton, DE

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

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

Average snowfall days in August
Clayton, DE

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

The month with the highest number of snowfall days is January (4.5 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
Clayton, DE

Average daylight in August / Average sunshine in August - Clayton, DE
  • 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in August
Clayton, DE

Average sunshine days in August - Clayton, DE
  • Average sunshine days in August: 11.3 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in August
Clayton, DE

Average UV index in August - Clayton, 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).

Average cloud cover in August
Clayton, DE

Average cloud cover in August - Clayton, DE
  • Average cloud cover in August: 30

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in August
Clayton, DE

Average visibility in August - Clayton, 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).

Clayton, Delaware, USA

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