June weather forecast
Dover, DE

The public Archives building in Dover, Delaware, between two large trees
The public Archives building in Dover, Delaware, between two large trees

Weather in June

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

Temperature

In Dover, the average high-temperature in June slightly increases from a pleasant 70.7°F (21.5°C) in May to a warm 78.8°F (26°C). In June, the average low-temperature is 64.9°F (18.3°C).

Humidity

In June, the average relative humidity is 78%.

Rainfall

In June, the rain falls for 15.7 days. Throughout June, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 152.3 rainfall days, and 26.3" (668mm) of precipitation is accumulated.

Snowfall

April through November are months without snowfall.

Daylight

June has the longest days of the year in Dover, with an average of 14h and 53min of daylight.
On the first day of June, sunrise is at 5:37 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:32 pm EDT.

Sunshine

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

UV index

The months with the highest UV index in Dover are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In June, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. 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.
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FAQ

What is the temperature in June in Dover?

In June, in Dover, Delaware, 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 is 78%.

How many days does it rain in June in Dover?

In Dover, during June, the rain falls for 15.7 days and regularly aggregates up to 2.64" (67mm) of precipitation.

When it does not snow in Dover?

April through November are months without snowfall.

When are the longest days in Dover?

With an average of 14h and 53min of daylight, June has the longest days of the year.

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

In Dover, the average day length in June is 14h and 53min.

When are sunrise and sunset in June in Dover?

On the first day of June in Dover, sunrise is at 5:37 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:32 pm EDT.

How long on average sun shines in June in Dover?

The average sunshine duration in June is 10.3h.

What is the month with the highest UV index in Dover?

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

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 value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Dover, DE

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).

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Average pressure in June
Dover, DE

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

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

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Average wind speed in June
Dover, DE

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).

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Average humidity in June
Dover, DE

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

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

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Average rainfall in June
Dover, DE

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").

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Average rainfall days in June
Dover, DE

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).

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Average snowfall in June
Dover, DE

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

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

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Average snowfall days in June
Dover, DE

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).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in June /
Average sunshine in June
Dover, DE

Average daylight in June / Average sunshine in June - Dover, DE
  • Average daylight in June: 14h and 53min

The month with the longest days is June (Average daylight: 14h and 53min).
The month with the shortest days is December (Average daylight: 9h and 28min).

  • Average sunshine in June: 10h and 18min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in June
Dover, DE

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).

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Average UV index in June
Dover, DE

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

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

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Average cloud cover in June
Dover, DE

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).

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Average visibility in June
Dover, DE

Average visibility in June - Dover, DE
  • Average visibility in June: 6mi

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

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