June weather forecastIslip, NY
June
Weather in June
June, the first month of the summer in Islip, is a pleasant month, with temperature in the range of an average low of 63.9°F (17.7°C) and an average high of 71.4°F (21.9°C).Temperature
Islip's weather in June shows a rise in the average high-temperature, moving up from May's comfortable 62.2°F (16.8°C) to a pleasant 71.4°F (21.9°C). Islip records a negligible downturn from daytime temperatures, averaging a low of 63.9°F (17.7°C) in the month of June.Humidity
The months with the highest humidity in Islip are May and June, with an average relative humidity of 77%.Rainfall
In Islip, in June, during 15.9 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, there are 153.2 rainfall days, and 34.45" (875mm) of precipitation is accumulated.Snowfall
In Islip, New York, snow does not fall in April through September.Ocean temperature
In June, the average ocean temperature is 64.6°F (18.1°C).Note: For most individuals, swimming in 64.6°F (18.1°C) is not a pleasant experience. The difficulty in managing breathing increases as the temperature decreases from 69.8°F (21°C) to 59°F (15°C).
Daylight
June has the longest days of the year in Islip, with an average of 15h and 0min of daylight.On the first day of June in Islip, sunrise is at 5:23 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:25 am and sunset at 8:28 pm EDT.
Sunshine
In Islip, the average sunshine in June is 10h.UV index
The months with the highest UV index in Islip, New York, are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 6 during June, leads to the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Islip, NY
- Average high temperature in June: 71.4°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: 63.9°F
The month with the highest average low temperature is August (72°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in June
Islip, 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
Islip, NY
- Average wind speed in June: 8.9mph
The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).
Average humidity in June
Islip, NY
- Average humidity in June: 77%
The months with the highest relative humidity are May and June (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in June
Islip, NY
- Average rainfall in June: 2.91"
The wettest month (with the highest rainfall) is July (3.86").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in June
Islip, NY
- Average rainfall days in June: 15.9 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in June
Islip, NY
- Average snowfall in June: 0"
The month with the highest snowfall is March (1.97").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in June
Islip, NY
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in June
Islip, NY
- Average sea temperature in June: 64.6°F
The best month for swimming (with the highest average sea temperature) is August (74°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).
Average daylight in June /
Average sunshine in June
Islip, NY
- 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: 10h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in June
Islip, NY
- Average sunshine days in June: 12.7 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in June
Islip, 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
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
Islip, 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).
