June weather forecastWest Islip, NY
June
Weather in June
June, the first month of the summer in West Islip, is an agreeable 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
With the transition into June, West Islip experiences an increase in average high-temperatures, moving up from an enjoyable 62.2°F (16.8°C) in May to an agreeable 71.2°F (21.8°C). June in West Islip sees a slight dip to an average low temperature of 64°F (17.8°C) from the daytime highs.Humidity
The average relative humidity in June is 77%.Rainfall
In West Islip, in June, it is raining for 16 days, with typically 2.99" (76mm) of accumulated precipitation. In West Islip, during the entire year, the rain falls for 157 days and collects up to 35.98" (914mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The month with the longest days is June, with an average of 15h and 0min of daylight.On the first day of the month, sunrise is at 5:23 am and sunset at 8:18 pm. On the last day of June, sunrise is at 5:25 am and sunset at 8:28 pm EDT.
Sunshine
In West Islip, the average sunshine in June is 10h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in West Islip, New York. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 6 during June translates into the following directions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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
The 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"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
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").
The 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).
The 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: 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
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
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
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
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).





