August weather forecast and climate
Dover, NJ

Weather in August

August, the last month of the summer, in Dover, is also a moderately hot month, with average temperature varying between 62.2°F (16.8°C) and 81.1°F (27.3°C).

Temperature

In Dover, the average high-temperature in August is relatively the same as in July - a still moderately hot 81.1°F (27.3°C). In Dover, the average low-temperature is 62.2°F (16.8°C).

Heat index

In August, the average heat index is calculated to a tropical 86.2°F (30.1°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
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 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, pregnancy, metabolic differences). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index 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

The average relative humidity in Dover is 77%.

Rainfall

In August, the rain falls for 9.1 days. Throughout August, 0.59" (15mm) of precipitation is accumulated. In Dover, during the entire year, the rain falls for 81.9 days and collects up to 6.69" (170mm) of precipitation.

Snowfall

In Dover snow does not fall in June through September.

Daylight

In Dover, the average length of the day is 13.7h.

Sunshine

In August, the average sunshine is 9.8h.

UV index

In Dover, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV rays for ordinary individuals.
Note: In August, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.
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FAQ

What is the temperature in August in Dover?

The average high-temperature, in August, in Dover, is 81.1°F (27.3°C), while the average low-temperature is 62.2°F (16.8°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), that combines air temperature and relative humidity, in August is appraised at 86.2°F (30.1°C).

What is the average humidity in August in Dover?

In August, the average relative humidity is 77%.

How many days does it rain in August in Dover?

In Dover, in August, it is raining for 9.1 days, with typically 0.59" (15mm) of accumulated precipitation.

When it does not snow in Dover?

In Dover, New Jersey, snow does not fall in June through September.

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

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

How long on average sun shines in August in Dover?

In August, the average sunshine is 9.8h.

What is the UV index reading in August in Dover?

In Dover, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to the UV radiation.

Average temperature in August
Dover, NJ

Average temperature in August - Dover, NJ
  • Average high temperature in August: 81.1°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in August: 62.2°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).

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Average pressure in August
Dover, NJ

Average pressure in August - Dover, NJ
  • Average pressure in August: 29.99"

The month with the highest atmospheric pressure is November (30.11").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in August
Dover, NJ

Average wind speed in August - Dover, NJ
  • Average wind speed in August: 5.1mph

The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in August
Dover, NJ

Average humidity in August - Dover, NJ
  • Average humidity in August: 77%

Months with the highest relative humidity are February, October and December (81%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in August
Dover, NJ

Average rainfall in August - Dover, NJ
  • Average rainfall in August: 0.59"

The wettest month (with the highest rainfall) is July (0.79").
The driest month (with the least rainfall) is September (0.16").

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Average rainfall days in August
Dover, NJ

Average rainfall days in August - Dover, NJ
  • Average rainfall days in August: 9.1 days

The month with the highest number of rainy days is July (9.5 days).
The month with the least rainy days is February (4 days).

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Average snowfall in August
Dover, NJ

Average snowfall in August - Dover, NJ
  • Average snowfall in August: 0"

The month with the highest snowfall is March (0.79").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Dover, NJ

Average snowfall days in August - Dover, NJ
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (5.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Dover, NJ

Average daylight in August / Average sunshine in August - Dover, NJ
  • Average daylight in August: 13.7h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in August: 9.8h

The month with the most sunshine is July (Average sunshine: 10.2h).
The month with the least sunshine is February (Average sunshine: 4.4h).

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Average sunshine days in August
Dover, NJ

Average sunshine days in August - Dover, NJ
  • Average sunshine days in August: 19.7 days

The month with the most sunshine days is November (24.5 days).
The month with the least sunshine days is July (18.3 days).

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Average UV index in August
Dover, NJ

Average UV index in August - Dover, NJ
  • Average UV index in August: 5

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

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Average cloud cover in August
Dover, NJ

Average cloud cover in August - Dover, NJ
  • Average cloud cover in August: 36

Months with the most cloud cover are February and March (Cloud cover 51).
Months with the least cloud cover are July and August (Cloud cover 36).

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Average visibility in August
Dover, NJ

Average visibility in August - Dover, NJ
  • Average visibility in August: 5mi

Months with the highest visibility are January, March, April, November and December (6mi).
Months with the lowest visibility are February, May, June, July, August, September and October (5mi).

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