With a population of around 5,900, Rensselaer sits in Indiana, United States. The city operates in the Central Time Zone.
In 2025, Rensselaer recorded an average annual temperature of 52°F. The hottest temperatures reached 91°F in July; the coolest were -6°F in January. Total precipitation for the year was 33 inches, with the wettest month being July. Snowfall for the year totaled approximately 9 inches.
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