About Southold, NY's Climate & Weather History

Southold is a city of approximately 5,700 people in New York, United States. Located in the Eastern Time Zone at 41.1°N latitude.

In 2025, Southold recorded an average annual temperature of 53°F — about 2.9°F above the 30-year normal of 50°F. The hottest day reached 86°F in July; the coldest was 18°F in January. Total precipitation was 38 inches (drier than usual). The wettest month was May.