About Port Clinton, OH's Climate & Weather History

With a population of around 6,000, Port Clinton sits in Ohio, United States. The city operates in the Eastern Time Zone.

In 2025, Port Clinton recorded an average annual temperature of 52°F — right at the 30-year normal of 52°F. The hottest day reached 95°F in June; the coldest was -7°F in January. Total precipitation was 33 inches (near normal). The wettest month was July.