With a population of around 5,900, Rensselaer sits in Indiana, United States. The city operates in the Central Time Zone.
Recent weather here gives a sense of typical conditions: in 2025, Rensselaer recorded a mean annual temperature of 52°F, ranging from -6°F lows in January to 91°F highs in July, with about 33 inches of precipitation across the year.
View historical weather for Rensselaer · More cities in Indiana