August weather forecast
Delaware City, DE

englishespañol中文
Share

Weather in August

In August, Delaware City experiences high temperatures reflective of its summer climate. Despite this being the case, the conditions become slightly milder compared to July. The sea continues to stay warm, creating ideal conditions for water lovers. With a maximum temperature averaging 83.5°F (28.6°C), the city still holds onto summer, attracting those fond of sun-soaked relaxation. The presence of long daylight hours and ample sunshine keeps the summer vibes alive during this month.

Temperature

Delaware City experiences a transition to a still moderately hot 83.5°F (28.6°C) in average high-temperatures with the arrival of August, not greatly differing from July's 84.7°F (29.3°C). During August, Delaware City records a consistent average nighttime temperature of 66.9°F (19.4°C).

Heat index

In August, the heat index is calculated to be a tropical 91.4°F (33°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

The average relative humidity in August is 76%.

Rainfall

The month with the most rainfall in Delaware City is August, when the rain falls for 15.3 days and typically aggregates up to 3.11" (79mm) of precipitation.

Snowfall

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

Ocean temperature

August is the month with the warmest seawater in Delaware City, with an average ocean temperature of 76.3°F (24.6°C).
Note: A swim in 76.3°F (24.6°C) waters can be refreshing, especially when factoring in a person's cold tolerance, sunshine, wind, and the overall temperature. As a point of reference, Olympic swimming events are held in 77°F (25°C) to 82.4°F (28°C) waters.

Daylight

In Delaware City, the average length of the day in August is 13h and 41min.
On the first day of the month, sunrise is at 6:02 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 in Delaware City is 10.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Delaware City. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 6 during August translates into these guidelines:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. 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. Boost your sun resistance with garments that are densely woven yet spacious. Attention! UV radiation is ramped up when reflecting off sand and water surfaces.
[Resources]

Frequently asked questions

How hot does it get in Delaware City in August?

The average high-temperature, in August, in Delaware City, is 83.5°F (28.6°C), while the average low-temperature is 66.9°F (19.4°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 91.4°F (33°C).

What is the average humidity in August in Delaware City?

In Delaware City, the average relative humidity in August is 76%.

What is the rainiest month in Delaware City?

August is the month with the most rainfall in Delaware City. Rain falls for 15.3 days and accumulates 3.11" (79mm) of precipitation.

How much does it rain in Delaware City in August?

In Delaware City, Delaware, in August, it is raining for 15.3 days, with typically 3.11" (79mm) of accumulated precipitation.

When it does not snow in Delaware City?

May through October are months without snowfall.

When is the ocean warmest in Delaware City?

August is the month with the warmest seawater in Delaware City, with an average ocean temperature of 76.3°F (24.6°C).

How warm is the water in August in Delaware City?

In August, the average ocean temperature in Delaware City, Delaware, is 76.3°F (24.6°C). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 76.3°F (24.6°C) water.

What is the average length of the day in August in Delaware City?

The average day length in August in Delaware City, Delaware, is 13h and 41min.

When are sunrise and sunset in August in Delaware City?

On the first day of August, sunrise is at 6:02 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 Delaware City have in August?

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

When is the highest UV index in Delaware City?

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

What is the UV index reading in August in Delaware City?

In August, the average daily maximum UV index in Delaware City, Delaware, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.
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
Delaware City, DE

Average temperature in August - Delaware City, DE
  • Average high temperature in August: 83.5°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in August: 66.9°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

[Resources]

Average pressure in August
Delaware City, DE

Average pressure in August - Delaware City, DE
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

[Resources]

Average wind speed in August
Delaware City, DE

Average wind speed in August - Delaware City, DE
  • Average wind speed in August: 5.5mph

The windiest months (with the highest average wind speed) are February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

[Resources]

Average humidity in August
Delaware City, DE

Average humidity in August - Delaware City, DE
  • Average humidity in August: 76%

The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (72%).

[Resources]

Average rainfall in August
Delaware City, DE

Average rainfall in August - Delaware City, DE
  • Average rainfall in August: 3.11"

The wettest month (with the highest rainfall) is August (3.11").
The driest month (with the least rainfall) is January (1.54").

[Resources]

Average rainfall days in August
Delaware City, DE

Average rainfall days in August - Delaware City, DE
  • Average rainfall days in August: 15.3 days

The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (7.8 days).

[Resources]

Average snowfall in August
Delaware City, DE

Average snowfall in August - Delaware City, DE
  • Average snowfall in August: 0"

The month with the highest snowfall is January (1.65").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in August
Delaware City, DE

Average snowfall days in August - Delaware City, 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).

[Resources]

Average sea temperature in August
Delaware City, DE

Average sea temperature in August - Delaware City, DE
  • Average sea temperature in August: 76.3°F

The best month for swimming (with the highest average sea temperature) is August (76.3°F).
The coldest month (with the lowest average sea temperature) is February (40.9°F).

[Resources]

Average daylight in August /
Average sunshine in August
Delaware City, DE

Average daylight in August / Average sunshine in August - Delaware City, 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 24min).

  • Average sunshine in August: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

[Resources]

Average sunshine days in August
Delaware City, DE

Average sunshine days in August - Delaware City, DE
  • Average sunshine days in August: 13.8 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (11.8 days).

[Resources]

Average UV index in August
Delaware City, DE

Average UV index in August - Delaware City, 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, February, November and December (UV index 2).

[Resources]

Average cloud cover in August
Delaware City, DE

Average cloud cover in August - Delaware City, DE
  • Average cloud cover in August: 32

The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

[Resources]

Average visibility in August
Delaware City, DE

Average visibility in August - Delaware City, 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).

[Resources]

Delaware City, Delaware, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location