August weather forecast
Seaford, DE

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Weather in August

In August, the weather in Seaford begins to signal the nearing end of summer with slight and gradual changes in the temperature. Far from the chilly winter days, it still remains as one of the warmest months. As the cloud cover increases, a slight dip in the maximum temperature to 82.6°F (28.1°C) can be felt in the city. The path to a cooler climate is paved as the impending month nears. Retracting daylight periods herald the forthcoming fall season.

Temperature

A minor adjustment in Seaford's average high-temperature is noted with the start of August, touching a still moderately hot 82.6°F (28.1°C) from July's 84.4°F (29.1°C). Seaford reports a consistent average low-temperature of 67.8°F (19.9°C) throughout August nights.

Heat index

During August, the heat index is estimated at a tropical 89.6°F (32°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.
Know that the heat index computations account for shaded terrains and slight winds. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

The months with the highest humidity are May, August and September, with an average relative humidity of 80%.

Rainfall

The wettest months in Seaford, Delaware, are July and August, with an average 1.06" (27mm) of rainfall.

Snowfall

In Seaford, snow does not fall in April through October.

Daylight

In August, the average length of the day is 13h and 38min.
On the first day of the month, sunrise is at 6:04 am and sunset at 8:12 pm. On the last day of August, sunrise is at 6:31 am and sunset at 7:33 pm EDT.

Sunshine

In August, the average sunshine is 10.4h.

UV index

The months with the highest UV index in Seaford, Delaware, are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: During August, 6 as the daily maximum UV index converts into the following advice:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Feb 10, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

How hot does it get in Seaford in August?

In Seaford, 82.6°F (28.1°C) is the average high-temperature and 67.8°F (19.9°C) is the average low-temperature during August. In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 89.6°F (32°C).

What are the most humid months in Seaford?

May, August and September, with an average relative humidity of 80%, are most humid months.

What is the average humidity in August in Seaford?

In Seaford, Delaware, the average relative humidity in August is 80%.

What is the wettest month in Seaford?

The wettest months are July and August, with an average 1.06" (27mm) of rainfall.

How much does it rain in Seaford in August?

In August, in Seaford, the rain falls for 10.4 days. Throughout August, 1.06" (27mm) of precipitation is accumulated.

When it does not snow in Seaford?

April through October are months without snowfall in Seaford.

How many hours of daylight does Seaford have in August?

In Seaford, the average day length in August is 13h and 38min.

When is the sunrise / sunset in August in Seaford?

In August, on the first day of the month, sunrise is at 6:04 am and sunset at 8:12 pm. On the last day of the month, in Seaford, sunrise is at 6:31 am and sunset at 7:33 pm EDT.

How many hours of sunshine does Seaford have in August?

In August, the average sunshine duration is 10.4h.

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

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

What is the UV index intensity in August in Seaford?

In Seaford, Delaware, the average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to 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
Seaford, DE

Average temperature in August - Seaford, DE
  • Average high temperature in August: 82.6°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 (41.5°F).

  • Average low temperature in August: 67.8°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 (29.1°F).

Average pressure in August
Seaford, DE

Average pressure in August - Seaford, 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
Seaford, DE

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

The windiest month (with the highest average wind speed) is February (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in August
Seaford, DE

Average humidity in August - Seaford, DE
  • Average humidity in August: 80%

The months with the highest relative humidity are May, August and September (80%).
The month with the lowest relative humidity is January (74%).

Average rainfall in August
Seaford, DE

Average rainfall in August - Seaford, DE
  • Average rainfall in August: 1.06"

The wettest months (with the highest rainfall) are July and August (1.06").
The driest month (with the least rainfall) is September (0.39").

Average rainfall days in August
Seaford, DE

Average rainfall days in August - Seaford, DE
  • Average rainfall days in August: 10.4 days

The month with the highest number of rainy days is July (12 days).
The month with the least rainy days is November (4.9 days).

Average snowfall in August
Seaford, DE

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

The month with the highest snowfall is January (0.35").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in August
Seaford, DE

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

The month with the highest number of snowfall days is January (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Seaford, DE

Average daylight in August / Average sunshine in August - Seaford, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in August
Seaford, DE

Average sunshine days in August - Seaford, DE
  • Average sunshine days in August: 17 days

The month with the most sunshine days is November (23.9 days).
The month with the least sunshine days is July (15.7 days).

Average UV index in August
Seaford, DE

Average UV index in August - Seaford, 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
Seaford, DE

Average cloud cover in August - Seaford, DE
  • Average cloud cover in August: 29

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in August
Seaford, DE

Average visibility in August - Seaford, 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).

Seaford, Delaware, USA

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