August weather forecast
Smyrna, DE

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Weather in August

August signals the tail end of summer, with temperatures slightly dipping to an average high of 82.4°F (28°C), after the July heat. Cloud cover percentage shows a minimal increase, indicating more overcast skies compared to previous months. Frequency and amount of rainfall continue to rise, contributing to the slightly cooler temperatures. The pleasantly warm days make this month ideal for leisurely outdoor events. The weather remains stable and consistent, providing excellent opportunities for local tourism.

Temperature

July's transformation into August witnesses an average high-temperature of a still moderately hot 82.4°F (28°C) in Smyrna, noting a minor change from the preceding month. In Smyrna, an average low-temperature of 67.6°F (19.8°C) is recorded during August nights.

Heat index

For most parts of August, the heat index is calculated to be a hot 89.6°F (32°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

In August, the average relative humidity in Smyrna, Delaware, 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 in Smyrna.

Daylight

In August, the average length of the day is 13h and 40min.
On the first day of August in Smyrna, 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.

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 value of 6 to 7 symbolizes 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 leads to these instructions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Frequently asked questions

Is it hot in Smyrna during August?

The average high-temperature, in August, in Smyrna, is 82.4°F (28°C), while the average low-temperature is 67.6°F (19.8°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 89.6°F (32°C).

What is the average humidity in August in Smyrna?

The average relative humidity in August in Smyrna, Delaware, is 78%.

What is the wettest month in Smyrna?

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

How much does it rain in Smyrna in August?

In Smyrna, in August, it is raining for 16.4 days, with typically 3.86" (98mm) of accumulated precipitation.

When it does not snow in Smyrna?

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

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

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

When is the sunrise / sunset in August in Smyrna?

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

How many hours of sunshine does Smyrna have in August?

In Smyrna, the average sunshine duration in August is 10.5h.

When is the highest UV index in Smyrna?

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 Smyrna?

The average daily maximum UV index in August in Smyrna, Delaware, is 6. A UV Index of 6 to 7 symbolizes a high health risk from unsafe 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
Smyrna, DE

Average temperature in August - Smyrna, 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).

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Average pressure in August
Smyrna, DE

Average pressure in August - Smyrna, 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).

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Average wind speed in August
Smyrna, DE

Average wind speed in August - Smyrna, 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).

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Average humidity in August
Smyrna, DE

Average humidity in August - Smyrna, 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%).

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Average rainfall in August
Smyrna, DE

Average rainfall in August - Smyrna, 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").

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Average rainfall days in August
Smyrna, DE

Average rainfall days in August - Smyrna, 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).

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Average snowfall in August
Smyrna, DE

Average snowfall in August - Smyrna, 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").

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Average snowfall days in August
Smyrna, DE

Average snowfall days in August - Smyrna, 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).

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

Average daylight in August / Average sunshine in August - Smyrna, 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).

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Average sunshine days in August
Smyrna, DE

Average sunshine days in August - Smyrna, 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).

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Average UV index in August
Smyrna, DE

Average UV index in August - Smyrna, 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).

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Average cloud cover in August
Smyrna, DE

Average cloud cover in August - Smyrna, 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).

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Average visibility in August
Smyrna, DE

Average visibility in August - Smyrna, 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).

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Smyrna, Delaware, USA

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