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
The first month of the summer, June, is a warm month in Dover, Delaware, with temperature in the range of an average high of 78.8°F (26°C) and an average low of 64.9°F (18.3°C).

Temperature

In June, the average high-temperature slightly increases, from an agreeable 70.7°F (21.5°C) in May, to a moderately hot 78.8°F (26°C). The average low-temperature, is 64.9°F (18.3°C).

Humidity

In June, the average relative humidity in Dover is 78%.

Rainfall

In Dover, Delaware, it is raining for 15.7 days, with typically 2.64" (67mm) of accumulated precipitation. In Dover, Delaware, during the entire year, the rain falls for 152.3 days and collects up to 26.3" (668mm) of precipitation.

Snowfall

April through November are months without snowfall in Dover.

Daylight

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

Sunshine

In June, the average sunshine is 10.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 6 in June transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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.

What is the temperature in June in Dover?

In June, the average high-temperature is 78.8°F (26°C), and the average low-temperature is 64.9°F (18.3°C).

What is the average humidity in June in Dover?

In June, the average relative humidity in Dover, Delaware, is 78%.

How much does it rain in Dover in June?

In June, in Dover, Delaware, the rain falls for 15.7 days. Throughout June, 2.64" (67mm) of precipitation is accumulated.

When it does not snow in Dover?

In Dover, Delaware, snow does not fall in April through November.

When are the longest days in Dover?

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

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

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

How many hours of sunshine does Dover have in June?

In June, the average sunshine in Dover is 10.3h.

When is the highest UV index in Dover?

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

How high is the UV index in June in Dover?

In Dover, the average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays.
Average temperature in June - Dover, DE
  • Average high temperature in June: 78.8°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in June: 64.9°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure in June - Dover, DE
  • Average pressure in June: 29.94"

The month with the highest atmospheric pressure is November (30.12").
The month with the lowest atmospheric pressure is June (29.94").

Average wind speed in June - Dover, DE
  • Average wind speed in June: 7.6mph

The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in June - Dover, DE
  • Average humidity in June: 78%

The month with the highest relative humidity is May (79%).
Months with the lowest relative humidity are January, March, April and November (74%).

Average rainfall in June - Dover, DE
  • Average rainfall in June: 2.64"

The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is January (1.46").

Average rainfall days in June - Dover, DE
  • Average rainfall days in June: 15.7 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (8.1 days).

Average snowfall in June - Dover, DE
  • Average snowfall in June: 0"

The month with the highest snowfall is January (1.65").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in June - Dover, DE
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (3.5 days).
Months with the least snowfall days are April, May, June, July, August, September, October and November (0 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 the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in June: 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 June - Dover, DE
  • Average sunshine days in June: 12.6 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in June - Dover, DE
  • Average UV index in June: 6

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

Average cloud cover in June - Dover, DE
  • Average cloud cover in June: 32

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in June - Dover, DE
  • Average visibility in June: 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).