Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
June introduces a marginal temperature uplift, with average high-temperatures adjusting from May's pleasant 69.1°F (20.6°C) to a moderately hot 77.5°F (25.3°C). The temperature lowers to an average of 59°F (15°C) during June nights.Humidity
In June, the average relative humidity is 77%.Rainfall
In June, the rain falls for 17.3 days. Throughout June, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 164.2 rainfall days, and 30.67" (779mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
June has the longest days of the year in Summit, with an average of 15h and 0min of daylight.On the first day of the month, sunrise is at 5:28 am and sunset at 8:22 pm. On the last day of June, sunrise is at 5:29 am and sunset at 8:32 pm EDT.
Sunshine
In June, the average sunshine is 9.6h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.Note: In June, the maximum UV index of 6 suggests this advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are June temperatures?
What is the average humidity in June?
How many days does it rain in June?
When it does not snow?
Does it snow in June?
When are the longest days?
What is the average length of the day in June?
When is the sunrise / sunset in June?
How many hours of sunshine does Summit have in June?
What is the month with the highest UV index?
What is the UV index reading in June?
Average temperature in June
Summit, NJ
- Average high temperature in June: 77.5°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in June: 59°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in June
Summit, 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
Summit, NJ
- Average wind speed in June: 6.2mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in June
Summit, NJ
- Average humidity in June: 77%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are April and August (74%).
Average rainfall in June
Summit, NJ
- Average rainfall in June: 2.64"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in June
Summit, NJ
- Average rainfall days in June: 17.3 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in June
Summit, NJ
- Average snowfall in June: 0"
The month with the highest snowfall is March (3.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Summit, NJ
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Summit, NJ
- Average daylight in June: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in June: 9h and 4min
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 36min).
Average sunshine days in June
Summit, NJ
- Average sunshine days in June: 10.5 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in June
Summit, 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
Summit, NJ
- Average cloud cover in June: 39
The months with the most cloud cover are February and March (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in June
Summit, NJ
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Summit, New Jersey, USA
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