Dover
Delaware, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Dover, DE

The public Archives building in Dover, Delaware, between two large trees
The public Archives building in Dover, Delaware, between two large trees
The last month of the summer, August, is also a hot month in Dover, Delaware, with average temperature ranging between max 86°F (30°C) and min 64.4°F (18°C).

Temperature

In Dover, the average high-temperature in August is almost the same as in July - a still hot 86°F (30°C). In August, in Dover, the average low-temperature is 64.4°F (18°C).

Rainfall

The month with the most rainfall in Dover is August when the rain falls for 10 days and typically aggregates up to 4.3" (110mm) of precipitation.

Daylight

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

Sunshine

In August, the average sunshine in Dover is 8h.

UV index

In Dover, the average daily maximum UV index in August is 8. A UV Index reading of 8 to 10 represents a very high health risk from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 8 in August interpret into the following advice:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in August in Dover?

The average high-temperature, in August, in Dover, is 86°F (30°C), while the average low-temperature is 64.4°F (18°C).

How many days does it rain in August in Dover?

In Dover, in August, it is raining for 10 days, with typically 4.3" (110mm) of accumulated precipitation.

What is the wettest month in Dover?

The month with the most rainfall is August when the rain falls for 10 days and typically aggregates up to 4.3" (110mm) of precipitation.

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

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

How long on average sun shines in August in Dover?

In August, the average sunshine is 8h.

What is the UV index reading in August in Dover?

The average daily maximum UV index in August in Dover, Delaware, is 8. A UV Index reading of 8 to 10 represents a very high health risk from unprotected exposure to the UV radiation.
Average temperature in August - Dover, DE
  • Average high temperature in August: 86°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in August: 64°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average rainfall in August - Dover, DE
  • Average rainfall in August: 4.3"

The wettest month (with the highest rainfall) is August (4.3").
The driest month (with the lowest rainfall) is February (3").

Average rainfall days in August - Dover, DE
  • Average rainfall days in August: 10 days

The month with the highest number of rainy days is July (11 days).
The month with the lowest number of rainy days is October (7 days).

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

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.5h).

  • Average sunshine in August: 8h

Months with most sunshine are June and July (Average sunshine: 9h).
Months with least sunshine are January and December (Average sunshine: 5).

Average UV index in August - Dover, DE
  • Average UV index in August: 8

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).