June weather forecastRiverdale, NJ
June
Weather in June
The first month of the summer, June, is a moderately hot month in Riverdale, New Jersey, with an average temperature varying between 61.9°F (16.6°C) and 77.2°F (25.1°C).Temperature
A slight uplift in the average high-temperature marks June, adjusting from May's agreeable 68.7°F (20.4°C) to a moderately hot 77.2°F (25.1°C). Riverdale's nighttime temperature in June drops to an average of 61.9°F (16.6°C).Humidity
The average relative humidity in June in Riverdale, New Jersey, is 73%.Rainfall
In Riverdale, in June, it is raining for 11.1 days, with typically 0.83" (21mm) of accumulated precipitation. In Riverdale, during the entire year, the rain falls for 106.1 days and collects up to 8.31" (211mm) of precipitation.Snowfall
May through November are months without snowfall.Daylight
With an average of 15h and 6min of daylight, June has the longest days of the year in Riverdale.On the first day of the month, sunrise is at 5:26 am and sunset at 8:23 pm. On the last day of June, in Riverdale, sunrise is at 5:28 am and sunset at 8:33 pm EDT.
Sunshine
In Riverdale, the average sunshine in June is 9.7h.UV index
June through August, 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 health hazard from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 6 in June suggests the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Riverdale, NJ
- Average high temperature in June: 77.2°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 (35.8°F).
- Average low temperature in June: 61.9°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in June
Riverdale, NJ
- Average pressure in June: 29.93"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in June
Riverdale, NJ
- Average wind speed in June: 6.6mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in June
Riverdale, NJ
- Average humidity in June: 73%
The months with the highest relative humidity are February and December (76%).
The month with the lowest relative humidity is August (69%).
Average rainfall in June
Riverdale, NJ
- Average rainfall in June: 0.83"
The wettest month (with the highest rainfall) is July (0.98").
The driest month (with the least rainfall) is September (0.39").
Average rainfall days in June
Riverdale, NJ
- Average rainfall days in June: 11.1 days
The month with the highest number of rainy days is May (11.4 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in June
Riverdale, NJ
- Average snowfall in June: 0"
The month with the highest snowfall is December (0.35").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in June
Riverdale, NJ
- Average snowfall days in June: 0 days
The months with the highest number of snowfall days are January and February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in June /
Average sunshine in June
Riverdale, 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 42min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in June
Riverdale, NJ
- Average sunshine days in June: 15.9 days
The month with the most sunshine days is January (22.5 days).
The months with the least sunshine days are May and June (15.9 days).
Average UV index in June
Riverdale, 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
Riverdale, NJ
- Average cloud cover in June: 37
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in June
Riverdale, NJ
- 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).





