Islip Terrace, NY has a humid continental climate, which means that the summers are usually hot and humid while the winters are cold and snowy. In summer, temperatures typically range from highs in the 80s to lows in the 60s. Winters see temperatures range from highs in the 30s to lows in the teens. Precipitation is fairly consistent year-round with an average of approximately 47 inches per year and about 15 inches of snowfall during winter months. This area sees all four seasons clearly, making it an ideal place for outdoor activities throughout the year.
Islip Terrace, New York gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Islip Terrace averages 26 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 207 sunny days per year in Islip Terrace. The US average is 205 sunny days.
Islip Terrace gets some kind of precipitation, on average, 111 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 83 degrees
Winter Low: the January low is 23
Rain: averages 48 inches of rain a year
Snow: averages 26 inches of snow a year