About West Islip, NY

West Islip, in New York, United States, is home to roughly 28,300 people in the Eastern Time Zone at 40.7°N latitude.

Across a typical year West Islip sees about 38 inches of precipitation, with September the wettest month and February the driest. Temperatures range from January lows near 25°F up to July highs around 83°F, averaging 54°F annually — characteristic of a humid continental climate.