June weather forecastRiverhead, NY
June
Weather in June
The first month of the summer, June, is a pleasant month in Riverhead, New York, with temperature in the range of an average low of 63°F (17.2°C) and an average high of 69.4°F (20.8°C).Temperature
The arrival of June sees a shift in the average high-temperature, moving from a moderate 60.4°F (15.8°C) in May to an agreeable 69.4°F (20.8°C). During the June nights, Riverhead's temperature maintains an average close to the daytime highs, settling at a refreshing 63°F (17.2°C).Humidity
In Riverhead, the average relative humidity in June is 79%.Rainfall
In Riverhead, in June, during 13.8 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In Riverhead, during the entire year, the rain falls for 154.3 days and collects up to 30" (762mm) of precipitation.Snowfall
In Riverhead, snow does not fall in April, June through October.Daylight
June has the longest days of the year, with an average of 15h and 6min of daylight.On the first day of June, sunrise is at 5:20 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 8:26 pm EDT.
Sunshine
In June, the average sunshine is 9.9h.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 vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 6 during June translates into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Riverhead, NY
- Average high temperature in June: 69.4°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in June: 63°F
The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in June
Riverhead, NY
- Average pressure in June: 29.93"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in June
Riverhead, NY
- Average wind speed in June: 9.8mph
The windiest month (with the highest average wind speed) is January (14.5mph).
The calmest month (with the lowest average wind speed) is July (9.5mph).
Average humidity in June
Riverhead, NY
- Average humidity in June: 79%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is November (71%).
Average rainfall in June
Riverhead, NY
- Average rainfall in June: 2.24"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in June
Riverhead, NY
- Average rainfall days in June: 13.8 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is February (9 days).
Average snowfall in June
Riverhead, NY
- Average snowfall in June: 0"
The month with the highest snowfall is March (1.54").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in June
Riverhead, NY
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in June /
Average sunshine in June
Riverhead, NY
- 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 54min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in June
Riverhead, NY
- Average sunshine days in June: 14.8 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is February (13.2 days).
Average UV index in June
Riverhead, NY
- 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 and December (UV index 2).
Average cloud cover in June
Riverhead, NY
- Average cloud cover in June: 34
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in June
Riverhead, NY
- 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).
