August weather forecast
Rockland, DE

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Weather in August

August, the last month of the summer in Rockland, is also a moderately hot month, with temperature in the range of an average high of 82.9°F (28.3°C) and an average low of 66.7°F (19.3°C).

Temperature

August's arrival registers an average high-temperature of a still moderately hot 82.9°F (28.3°C), closely aligning with the temperature of the previous month. In the month of August, Rockland's average low-temperature falls to a comfortable 66.7°F (19.3°C).

Heat index

The heat index value for August is evaluated at a hot 89.6°F (32°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.
Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.

Humidity

In Rockland, the average relative humidity in August is 74%.

Rainfall

August is the month with the most rainfall in Rockland. Rain falls for 17.3 days and accumulates 4.09" (104mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 13h and 41min.
On the first day of August in Rockland, sunrise is at 6:01 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:34 pm EDT.

Sunshine

In Rockland, the average sunshine in August is 10.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Rockland. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: In August, an average UV index of 6 transforms into the following instructions:
Guard against overexposure. Protection from sun-induced harm is essential. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in Rockland in August?

August temperatures in Rockland, Delaware, vary between a high-temperature of 82.9°F (28.3°C) and a low-temperature of 66.7°F (19.3°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is evaluated at 89.6°F (32°C).

What is the average humidity in August in Rockland?

In Rockland, the average relative humidity in August is 74%.

What is the wettest month in Rockland?

August is the month with the most rainfall in Rockland. Rain falls for 17.3 days and accumulates 4.09" (104mm) of precipitation.

How much does it rain in Rockland in August?

In Rockland, Delaware, in August, during 17.3 rainfall days, 4.09" (104mm) of precipitation is typically accumulated.

When it does not snow in Rockland?

In Rockland, snow does not fall in June through September.

What is the average length of the day in August in Rockland?

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

When is the sunrise / sunset in August in Rockland?

On the first day of August in Rockland, Delaware, sunrise is at 6:01 am and sunset at 8:15 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 Rockland have in August?

In Rockland, Delaware, the average sunshine duration in August is 10.1h.

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

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

What is the UV index intensity in August in Rockland?

The average daily maximum UV index in August in Rockland, Delaware, is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Rockland, DE

Average temperature in August - Rockland, DE
  • Average high temperature in August: 82.9°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in August: 66.7°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 (25.3°F).

Average pressure in August
Rockland, DE

Average pressure in August - Rockland, DE
  • Average pressure in August: 29.99"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
Rockland, DE

Average wind speed in August - Rockland, DE
  • Average wind speed in August: 5.4mph

The windiest months (with the highest average wind speed) are January, February and March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in August
Rockland, DE

Average humidity in August - Rockland, DE
  • Average humidity in August: 74%

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

Average rainfall in August
Rockland, DE

Average rainfall in August - Rockland, DE
  • Average rainfall in August: 4.09"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (2.36").

Average rainfall days in August
Rockland, DE

Average rainfall days in August - Rockland, DE
  • Average rainfall days in August: 17.3 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in August
Rockland, DE

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

The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Rockland, DE

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

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Rockland, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in August
Rockland, DE

Average sunshine days in August - Rockland, DE
  • Average sunshine days in August: 11 days

The month with the most sunshine days is November (18.6 days).
The months with the least sunshine days are May and July (9.8 days).

Average UV index in August
Rockland, DE

Average UV index in August - Rockland, 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).

Average cloud cover in August
Rockland, DE

Average cloud cover in August - Rockland, DE
  • Average cloud cover in August: 33

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in August
Rockland, DE

Average visibility in August - Rockland, 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).

Rockland, Delaware, USA

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