Ossian, in Indiana, United States, is home to roughly 3,300 people in the America/Indiana/Indianapolis time zone at 40.9°N latitude.
In 2025, Ossian recorded an average annual temperature of 51°F. The hottest temperatures reached 92°F in June; the coolest were -5°F in January. Total precipitation for the year was 33 inches, with the wettest month being April. Snowfall for the year totaled approximately 8 inches.
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