About Nauvoo, IL

Nauvoo is a city of approximately 1,100 people in Illinois, United States. Located in the Central Time Zone at 40.6°N latitude.

In 2025, Nauvoo averaged an annual temperature of 54°F, with hottest temperatures reaching 95°F in June and lowest around -8°F in January. The city received approximately 27 inches of precipitation during the year.