June weather forecast and climate
Riverhead, NY

Weather in June

The first month of the summer, June, is an agreeable month in Riverhead, New York, with average temperature varying between 63°F (17.2°C) and 69.4°F (20.8°C).

Temperature

In June, the average high-temperature rises, from a moderate 60.4°F (15.8°C) in May, to a pleasant 69.4°F (20.8°C). The average low-temperature, in Riverhead, is 63°F (17.2°C).

Humidity

In June, the average relative humidity in Riverhead is 79%.

Rainfall

In June, in Riverhead, the rain falls for 13.8 days. Throughout June, 2.24" (57mm) of precipitation is accumulated. In Riverhead, during the entire year, the rain falls for 154.3 days and collects up to 30" (762mm) of precipitation.

Snowfall

April, June through October are months without snowfall.

Daylight

With an average of 15.1h of daylight, June has the longest days of the year.

Sunshine

In Riverhead, the average sunshine in June is 9.9h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Riverhead. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to the UV radiation for the average person.
Note: In June, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in June in Riverhead?

In Riverhead, the average relative humidity in June is 79%.

How many days does it rain in June in Riverhead?

In Riverhead, New York, in June, during 13.8 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

When it does not snow in Riverhead?

April, June through October are months without snowfall in Riverhead, New York.

Does it snow in Riverhead in June?

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

When are the longest days in Riverhead?

With an average of 15.1h of daylight, June has the longest days of the year in Riverhead, New York.

What is the average length of the day in June in Riverhead?

The average length of the day in June is 15.1h.

How many hours of sunshine does Riverhead have in June?

In June, the average sunshine in Riverhead, New York, is 9.9h.

What is the month with the highest UV index in Riverhead?

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

What is the UV index reading in June in Riverhead?

In Riverhead, New York, the average daily maximum UV index in June is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in June
Riverhead, NY

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).

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Average pressure in June
Riverhead, NY

Average pressure in June - Riverhead, NY
  • Average pressure in June: 29.93"

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in June
Riverhead, NY

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).

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Average humidity in June
Riverhead, NY

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%).

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Average rainfall in June
Riverhead, NY

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").

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Average rainfall days in June
Riverhead, NY

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).

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Average snowfall in June
Riverhead, NY

Average snowfall in June - Riverhead, NY
  • Average snowfall in June: 0"

The month with the highest snowfall is March (1.54").
Months with the least snowfall are April, June, July, August, September and October (0").

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Average snowfall days in June
Riverhead, NY

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).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in June /
Average sunshine in June
Riverhead, NY

Average daylight in June / Average sunshine in June - Riverhead, NY
  • Average daylight in June: 15.1h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in June: 9.9h

Months with the most sunshine are July and August (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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Average sunshine days in June
Riverhead, NY

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).

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Average UV index in June
Riverhead, NY

Average UV index in June - Riverhead, NY
  • Average UV index in June: 6

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

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Average cloud cover in June
Riverhead, NY

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).

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Average visibility in June
Riverhead, NY

Average visibility in June - Riverhead, NY
  • Average visibility in June: 6mi

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

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