About Lake Ronkonkoma, NY

With a population of around 20,200, Lake Ronkonkoma sits in New York, United States. The city operates in the Eastern Time Zone.

Across a typical year Lake Ronkonkoma sees about 46 inches of precipitation and 32 inches of snow, with December the wettest month and July the driest. Temperatures range from January lows near 25°F up to July highs around 83°F, averaging 53°F annually — characteristic of a humid continental climate.