Roodhouse, in Illinois, United States, is home to roughly 1,700 people in the Central Time Zone at 39.5°N latitude.
In 2025, Roodhouse recorded an average annual temperature of 55°F. The hottest temperatures reached 93°F in September; the coolest were -5°F in January. Total precipitation for the year was 34 inches, with the wettest month being July. Snowfall for the year totaled approximately 8 inches.
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