Sidney, in Ohio, United States, is home to roughly 20,900 people in the Eastern Time Zone at 40.3°N latitude.
In 2025, Sidney recorded an average annual temperature of 52°F. The hottest temperatures reached 91°F in June; the coolest were -8°F in January. Total precipitation for the year was 39 inches, with the wettest month being May. Snowfall for the year totaled approximately 8 inches.
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