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

June 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
June, the first month of the summer, in Dover, is also a moderately hot month, with average temperature fluctuating between 84.2°F (29°C) and 60.8°F (16°C).

Temperature

In Dover, the average high-temperature in June increases, from 75.2°F (24°C) in May, to a still warm 84.2°F (29°C). In June, in Dover, the average low-temperature is 60.8°F (16°C).

Rainfall

In Dover, during 10 rainfall days, 3.7" (95mm) of precipitation is typically accumulated. Throughout the year, there are 115 rainfall days, and 43.5" (1105mm) of precipitation is accumulated.

Daylight

June has the longest days of the year in Dover, with an average of 14.9h of daylight.

Sunshine

June and July, with an average of 9h of sunshine, are months with the most sunshine.

UV index

Months with the highest UV index in Dover, Delaware, are June and July, with an average maximum UV index of 9. A UV Index estimate of 8 to 10 represents a very high health risk from the exposure to the Sun's UV rays for ordinary individuals.
In June, the average maximum UV index of 9 translate into the following recommendations:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Prolonged stay under the direct sun should be avoided as much as possible, especially if a person burns easily. Sunscreen with a minimum 30 sun protection factor should always be used.

What is the temperature in June in Dover?

In Dover, Delaware, in June, the average high-temperature is 84.2°F (29°C), and the average low-temperature is 60.8°F (16°C).

How much does it rain in Dover in June?

In Dover, in June, during 10 rainfall days, 3.7" (95mm) of precipitation is typically accumulated.

When are the longest days in Dover?

The month with the longest days in Dover, Delaware, is June, with an average of 14.9h of daylight.

How many hours of daylight does Dover have in June?

The average length of the day in June in Dover, Delaware, is 14.9h.

What is the month with the most sunshine in Dover?

Months with the most sunshine in Dover, Delaware, are June and July, with an average of 9h of sunshine.

How long on average sun shines in June in Dover?

In Dover, Delaware, the average sunshine in June is 9h.

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

Months with the highest UV index in Dover, Delaware, are June and July, with an average maximum UV index of 9.

What is the UV index reading in June in Dover?

The average daily maximum UV index in June in Dover, Delaware, is 9. A UV Index estimate of 8 to 10 represents a very high hazard to health from unprotected exposure to the UV radiation.
Average temperature in June - Dover, DE
  • Average high temperature in June: 84°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 June: 61°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 June - Dover, DE
  • Average rainfall in June: 3.7"

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 June - Dover, DE
  • Average rainfall days in June: 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 June / Average sunshine in June - Dover, DE
  • Average daylight in June: 14.9h

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 June: 9h

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 June - Dover, DE
  • Average UV index in June: 9

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).