June weather forecastDenville, NJ

June

Weather in June

The first month of the summer, June, is a warm month in Denville, New Jersey, with temperature in the range of an average high of 77°F (25°C) and an average low of 57.9°F (14.4°C).

Temperature

June brings a slight increase in the average high-temperature, progressing from an agreeable 68.9°F (20.5°C) in May to a moderately hot 77°F (25°C). During June, Denville's temperature averages to a refreshing 57.9°F (14.4°C) at night.

Humidity

In Denville, New Jersey, the average relative humidity in June is 78%.

Rainfall

In Denville, in June, it is raining for 16.3 days, with typically 2.95" (75mm) of accumulated precipitation. Throughout the year, there are 161.2 rainfall days, and 33.74" (857mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

June has the longest days of the year in Denville, with an average of 15h and 6min of daylight.
On the first day of the month, sunrise is at 5:27 am and sunset at 8:23 pm. On the last day of June, sunrise is at 5:29 am and sunset at 8:33 pm EDT.

Sunshine

In June, the average sunshine is 9.3h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Denville. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 6 in June translates into this advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During June, Denville experiences an average high-temperature of 77°F (25°C) and a low-temperature of 57.9°F (14.4°C).

In June, the average relative humidity in Denville, New Jersey, is 78%.

In Denville, during June, the rain falls for 16.3 days and regularly aggregates up to 2.95" (75mm) of precipitation.

In Denville, snow does not fall in June through September.

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

The month with the longest days in Denville is June, with an average of 15h and 6min of daylight.

In Denville, New Jersey, the average day length in June is 15h and 4min.

In June, on the first day of the month, sunrise is at 5:27 am and sunset at 8:23 pm. On the last day of the month, in Denville, New Jersey, sunrise is at 5:29 am and sunset at 8:33 pm EDT.

In June, the average sunshine duration in Denville, New Jersey, is 9.3h.

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

The average daily maximum UV index in June in Denville, New Jersey, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Denville, NJ

  • Average high temperature in June: 77°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in June: 57.9°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in June
Denville, NJ

  • Average pressure in June: 29.93"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in June
Denville, NJ

  • Average wind speed in June: 6mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in June
Denville, NJ

  • Average humidity in June: 78%

The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (74%).

Average rainfall in June
Denville, NJ

  • Average rainfall in June: 2.95"

The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in June
Denville, NJ

  • Average rainfall days in June: 16.3 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (8.2 days).

Average snowfall in June
Denville, NJ

  • Average snowfall in June: 0"

The month with the highest snowfall is March (4.69").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in June
Denville, NJ

  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in June /
Average sunshine in June
Denville, NJ

  • Average daylight in June: 15h and 6min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in June: 9h and 18min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in June
Denville, NJ

  • Average sunshine days in June: 11.9 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is April (11.2 days).

Average UV index in June
Denville, NJ

  • Average UV index in June: 6

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

Average cloud cover in June
Denville, NJ

  • Average cloud cover in June: 41

The months with the most cloud cover are February, March and December (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 35).

Average visibility in June
Denville, NJ

  • Average visibility in June: 5mi

The months with the highest visibility are January, April, July, August, October, November and December (6mi).
The months with the lowest visibility are February, March, May, June and September (5mi).