June weather forecast and climate
West Islip, NY

June, the first month of the summer, in West Islip, is a pleasant month, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 71.2°F (21.8°C).

Temperature

In West Islip, the average high-temperature in June increases, from a comfortable 62.2°F (16.8°C) in May, to an agreeable 71.2°F (21.8°C). In West Islip, in June, the average low-temperature is 64°F (17.8°C).

Humidity

In June, the average relative humidity is 77%.

Rainfall

In West Islip, during June, the rain falls for 16 days and regularly aggregates up to 2.99" (76mm) of precipitation. In West Islip, New York, during the entire year, the rain falls for 157 days and collects up to 35.98" (914mm) of precipitation.

Snowfall

In West Islip snow does not fall in May through September.

Daylight

June has the longest days of the year in West Islip, with an average of 15.1h of daylight.

Sunshine

The average sunshine in West Islip is 10h.

UV index

Months with the highest UV index in West Islip are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 6 in June transform into the following instructions:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in June in West Islip?

In June, in West Islip, New York, the average high-temperature is 71.2°F (21.8°C), and the average low-temperature is 64°F (17.8°C).

What is the average humidity in June in West Islip?

The average relative humidity in June is 77%.

How many days does it rain in June in West Islip?

In West Islip, in June, during 16 rainfall days, 2.99" (76mm) of precipitation is typically accumulated.

When it does not snow in West Islip?

May through September are months without snowfall in West Islip.

When are the longest days in West Islip?

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

How many hours of daylight does West Islip have in June?

In West Islip, New York, the average length of the day in June is 15.1h.

How many hours of sunshine does West Islip have in June?

In June, the average sunshine in West Islip is 10h.

What is the month with the highest UV index in West Islip?

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

What is the UV index intensity in June in West Islip?

In June, the average daily maximum UV index in West Islip is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to the UV radiation.
Average temperature in June - West Islip, NY
  • Average high temperature in June: 71.2°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in June: 64°F

Months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).

Average pressure in June - West Islip, 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").

Average wind speed in June - West Islip, NY
  • Average wind speed in June: 9.2mph

The windiest month (with the highest average wind speed) is January (13.6mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).

Average humidity in June - West Islip, NY
  • Average humidity in June: 77%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is November (71%).

Average rainfall in June - West Islip, NY
  • Average rainfall in June: 2.99"

The wettest month (with the highest rainfall) is July (3.98").
The driest month (with the least rainfall) is January (2.2").

Average rainfall days in June - West Islip, NY
  • Average rainfall days in June: 16 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in June - West Islip, NY
  • Average snowfall in June: 0"

The month with the highest snowfall is March (2.17").
Months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in June - West Islip, NY
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is February (4.2 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in June / Average sunshine in June - West Islip, 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: 10h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average sunshine days in June - West Islip, NY
  • Average sunshine days in June: 12 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (11.4 days).

Average UV index in June - West Islip, 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).

Average cloud cover in June - West Islip, NY
  • Average cloud cover in June: 33

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in June - West Islip, 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).