With a population of around 1,100, Rosiclare sits in Illinois, United States. The city operates in the Central Time Zone.
In 2025, Rosiclare averaged an annual temperature of 58°F, with hottest temperatures reaching 95°F in July and lowest around 4°F in February. The city received approximately 47 inches of precipitation during the year.
View historical weather for Rosiclare · More cities in Illinois