June weather forecastHackettstown, NJ
June
Weather in June
June, the first month of the summer in Hackettstown, is a warm month, with an average temperature ranging between max 77°F (25°C) and min 56.8°F (13.8°C).Temperature
June sees a marginal temperature increase, moving from an agreeable 69.1°F (20.6°C) in May to a moderately hot 77°F (25°C). Hackettstown in June experiences a low-temperature average of 56.8°F (13.8°C).Humidity
The average relative humidity in June is 79%.Rainfall
In Hackettstown, in June, during 10.3 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, there are 106.9 rainfall days, and 9.84" (250mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
June has the longest days of the year, with an average of 15h and 6min of daylight.On the first day of the month, sunrise is at 5:29 am and sunset at 8:25 pm. On the last day of June, sunrise is at 5:31 am and sunset at 8:35 pm EDT.
Sunshine
In June, the average sunshine in Hackettstown is 9.5h.UV index
June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 6 during June translates into the following guidance:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Hackettstown, NJ
- Average high temperature in June: 77°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in June: 56.8°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in June
Hackettstown, 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
Hackettstown, NJ
- Average wind speed in June: 5.7mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in June
Hackettstown, NJ
- Average humidity in June: 79%
The months with the highest relative humidity are February, October and December (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in June
Hackettstown, NJ
- Average rainfall in June: 0.94"
The wettest month (with the highest rainfall) is July (1.18").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in June
Hackettstown, NJ
- Average rainfall days in June: 10.3 days
The month with the highest number of rainy days is May (12.2 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in June
Hackettstown, NJ
- Average snowfall in June: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Hackettstown, NJ
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Hackettstown, 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 30min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in June
Hackettstown, NJ
- Average sunshine days in June: 17.2 days
The month with the most sunshine days is January (21.5 days).
The month with the least sunshine days is May (15.4 days).
Average UV index in June
Hackettstown, NJ
- Average UV index in June: 6
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in June
Hackettstown, NJ
- Average cloud cover in June: 40
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in June
Hackettstown, NJ
- Average visibility in June: 5mi
The months with the highest visibility are January, March, April, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August, September and October (5mi).
