August weather forecast
Harrington, DE

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Weather in August

August in Harrington sees a slight decline in temperature to 82.2°F (27.9°C), ending the peak heat period. The amount of daily sunshine remains high, supporting an array of outdoor activities. It also brings a notable descent in the humidity level, making this month slightly more tolerable than July. August marks the closure of the harsh summer season and the anticipation for a cooler autumn season.

Temperature

Welcoming August, Harrington notes an average high-temperature of a still moderately hot 82.2°F (27.9°C), nearly consistent with July's 84.2°F (29°C). During August, Harrington experiences an average low-temperature of 68.2°F (20.1°C) at night.

Heat index

In August, the heat index is appraised at a hot 89.6°F (32°C). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

May, August and September, with an average relative humidity of 79%, are the most humid months.

Rainfall

The month with the most rainfall is August, when the rain falls for 16.9 days and typically aggregates up to 3.9" (99mm) of precipitation.

Snowfall

In Harrington, snow does not fall in May through October.

Daylight

The average length of the day in August is 13h and 38min.
On the first day of August, sunrise is at 6:03 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:33 pm EDT.

Sunshine

In Harrington, the average sunshine in August is 10.3h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 6 during August, leads to the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in August?

In August, in Harrington, the average high-temperature is 82.2°F (27.9°C), and the average low-temperature is 68.2°F (20.1°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 89.6°F (32°C).

What is the most humid month?

May, August and September, with an average relative humidity of 79%, are most humid months.

What is the average humidity in August?

In Harrington, the average relative humidity in August is 79%.

What is the rainiest month?

The month with the most rainfall is August, when the rain falls for 16.9 days and typically aggregates up to 3.9" (99mm) of precipitation.

How many days does it rain in August?

In Harrington, in August, it is raining for 16.9 days, with typically 3.9" (99mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall.

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

The average day length in August is 13h and 38min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:03 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 7:33 pm EDT.

How many hours of sunshine does Harrington have in August?

In August, the average sunshine duration is 10.3h.

When is 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 intensity in August in Harrington?

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high hazard to health 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
Harrington, DE

Average temperature in August - Harrington, DE
  • Average high temperature in August: 82.2°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in August: 68.2°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 (28.8°F).

Average pressure in August
Harrington, DE

Average pressure in August - Harrington, 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
Harrington, DE

Average wind speed in August - Harrington, DE
  • Average wind speed in August: 6.3mph

The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in August
Harrington, DE

Average humidity in August - Harrington, DE
  • Average humidity in August: 79%

The months with the highest relative humidity are May, August and September (79%).
The months with the lowest relative humidity are January, March, April and November (74%).

Average rainfall in August
Harrington, DE

Average rainfall in August - Harrington, DE
  • Average rainfall in August: 3.9"

The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is January (2.13").

Average rainfall days in August
Harrington, DE

Average rainfall days in August - Harrington, DE
  • Average rainfall days in August: 16.9 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (9 days).

Average snowfall in August
Harrington, DE

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

The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in August
Harrington, DE

Average snowfall days in August - Harrington, 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).

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

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

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
Harrington, DE

Average sunshine days in August - Harrington, DE
  • Average sunshine days in August: 12 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (9.7 days).

Average UV index in August
Harrington, DE

Average UV index in August - Harrington, 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
Harrington, DE

Average cloud cover in August - Harrington, DE
  • Average cloud cover in August: 31

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in August
Harrington, DE

Average visibility in August - Harrington, 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).

Harrington, Delaware, USA

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