Hottest and Coldest Temperatures Ever in New York City on December 15

On December 15th in New York City, the weather can vary greatly. In 2015, the temperature reached a record-breaking high of 68.0°F, while in 2005, it plummeted to a frigid low of 12.0°F. On average, the temperature for this date is 38.67°F, with a high of 45.89°F and a low of 31.44°F. Interestingly, in 2015, amidst warm weather, New York City's iconic ice rink at Rockefeller Center opened early due to the unseasonably mild temperatures, delighting both locals and tourists seeking an early start to their holiday ice-skating traditions.