June weather forecast and climate
Dover, NJ

The first month of the summer, June, is a moderately hot month in Dover, New Jersey, with average temperature ranging between max 76.6°F (24.8°C) and min 57.9°F (14.4°C).

Temperature

In Dover, the average high-temperature marginally rises, from a pleasant 68.5°F (20.3°C) in May, to a moderately hot 76.6°F (24.8°C). In June, the average low-temperature is 57.9°F (14.4°C).

Humidity

The average relative humidity in Dover is 79%.

Rainfall

In Dover, in June, it is raining for 8.1 days, with typically 0.55" (14mm) of accumulated precipitation. Throughout the year, there are 81.9 rainfall days, and 6.69" (170mm) of precipitation is accumulated.

Snowfall

In Dover snow does not fall in June through September.

Daylight

June has the longest days of the year, with an average of 15.1h of daylight.

Sunshine

In June, the average sunshine is 9.3h.

UV index

June and July, with an average maximum UV index of 6, are months with the highest UV index in Dover. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to the UV radiation for ordinary individuals.
Note: In June, the average maximum UV index of 6 translate into the following recommendations:
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, in Dover, the average high-temperature is 76.6°F (24.8°C), and the average low-temperature is 57.9°F (14.4°C).

What is the average humidity in June in Dover?

The average relative humidity in June in Dover, New Jersey, is 79%.

How much does it rain in Dover in June?

In June, in Dover, New Jersey, the rain falls for 8.1 days. Throughout June, 0.55" (14mm) of precipitation is accumulated.

Does it snow in Dover in June?

In June, it doesn't snow. May is the latest month when it typically snows.

When it does not snow in Dover?

June through September are months without snowfall in Dover.

When are the longest days in Dover?

With an average of 15.1h of daylight, June has the longest days of the year in Dover.

How many hours of daylight does Dover have in June?

In Dover, New Jersey, the average length of the day in June is 15.1h.

How long on average sun shines in June in Dover?

In June, the average sunshine is 9.3h.

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

June and July, with an average maximum UV index of 6, are months with the highest UV index in Dover.

What is the UV index intensity in June 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 radiation.
Average temperature in June - Dover, NJ
  • Average high temperature in June: 24.8°C

The warmest month (with the highest average high temperature) is July (28.3°C).
The month with the lowest average high temperature is January (1.3°C).

  • Average low temperature in June: 14.4°C

The month with the highest average low temperature is July (17.8°C).
The coldest month (with the lowest average low temperature) is January (-6.2°C).

Average pressure in June - Dover, NJ
  • Average pressure in June: 1013.7mbar

The month with the highest atmospheric pressure is November (1019.6mbar).
The month with the lowest atmospheric pressure is June (1013.7mbar).

Average wind speed in June - Dover, NJ
  • Average wind speed in June: 9.5km/h

The windiest month (with the highest average wind speed) is March (13.2km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).

Average humidity in June - Dover, NJ
  • Average humidity in June: 79%

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

Average rainfall in June - Dover, NJ
  • Average rainfall in June: 14mm

The wettest month (with the highest rainfall) is July (20mm).
The driest month (with the least rainfall) is September (4mm).

Average rainfall days in June - Dover, NJ
  • Average rainfall days in June: 8.1 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).

Average snowfall in June - Dover, NJ
  • Average snowfall in June: 0mm

The month with the highest snowfall is March (20mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in June - Dover, NJ
  • Average snowfall days in June: 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).

Average daylight in June / Average sunshine in June - Dover, NJ
  • Average daylight in June: 15.1h

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 June: 9.3h

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

Average sunshine days in June - Dover, NJ
  • Average sunshine days in June: 19.3 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).

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

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).

Average cloud cover in June - Dover, NJ
  • Average cloud cover in June: 42

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).

Average visibility in June - Dover, NJ
  • Average visibility in June: 8km

Months with the highest visibility are January, March, April, November and December (9km).
Months with the lowest visibility are February, May, June, July, August, September and October (8km).