Manteno is a city of approximately 9,000 people in Illinois, United States. Located in the Central Time Zone at 41.3°N latitude.
In 2025, Manteno averaged an annual temperature of 51°F, with hottest temperatures reaching 91°F in June and lowest around -8°F in January. The city received approximately 39 inches of precipitation during the year.
View historical weather for Manteno · More cities in Illinois