August weather forecast and climate
Newark, DE

The last month of the summer, August, is another warm month in Newark, Delaware, with average temperature fluctuating between 66°F (18.9°C) and 82.9°F (28.3°C).

Temperature

In Newark, the average high-temperature is essentially the same as in July - a still moderately hot 82.9°F (28.3°C). In August, the average low-temperature is 66°F (18.9°C).

Heat index

In August, the average heat index is calculated to a hot 90°F (32.2°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'felt air temperature', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like activity, pregnancy, clothing, and metabolic differences affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

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

Rainfall

The month with the most rainfall is August when the rain falls for 17 days and typically aggregates up to 4.17" (106mm) of precipitation.

Snowfall

In Newark snow does not fall in June through October.

Daylight

The average length of the day in Newark is 13.7h.

Sunshine

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

UV index

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 hazard from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in August in Newark?

The average high-temperature, in August, in Newark, is 82.9°F (28.3°C), while the average low-temperature is 66°F (18.9°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), that combines relative humidity and air temperature, in August is evaluated at 90°F (32.2°C).

What is the average humidity in August in Newark?

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

How much does it rain in Newark in August?

In Newark, in August, during 17 rainfall days, 4.17" (106mm) of precipitation is typically accumulated.

What is the rainiest month in Newark?

The month with the most rainfall in Newark is August when the rain falls for 17 days and typically aggregates up to 4.17" (106mm) of precipitation.

When it does not snow in Newark?

In Newark, Delaware, snow does not fall in June through October.

How many hours of daylight does Newark have in August?

In August, the average length of the day in Newark is 13.7h.

How long on average sun shines in August in Newark?

In August, the average sunshine is 10.3h.

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

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

What is the UV index intensity in August in Newark?

In Newark, the average daily maximum UV index in August is 6. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays.
Average temperature in August - Newark, DE
  • Average high temperature in August: 82.9°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 (37.8°F).

  • Average low temperature in August: 66°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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

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

Average wind speed in August - Newark, DE
  • Average wind speed in August: 5.3mph

The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in August - Newark, DE
  • Average humidity in August: 76%

Months with the highest relative humidity are May, September and October (78%).
The month with the lowest relative humidity is April (73%).

Average rainfall in August - Newark, DE
  • Average rainfall in August: 4.17"

The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is January (2.24").

Average rainfall days in August - Newark, DE
  • Average rainfall days in August: 17 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (9.3 days).

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

The month with the highest snowfall is March (2.76").
Months with the least snowfall are June, July, August, September and October (0").

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

The month with the highest number of snowfall days is January (5.4 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in August / Average sunshine in August - Newark, DE
  • Average daylight in August: 13.7h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in August: 10.3h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 5h).

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

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (9.7 days).

Average UV index in August - Newark, DE
  • Average UV index in August: 6

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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

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

Average visibility in August - Newark, DE
  • Average visibility in August: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).