Meredosia is a city of approximately 1,000 people in Illinois, United States. Located in the Central Time Zone at 39.8°N latitude.
In 2025, Meredosia recorded an average annual temperature of 55°F. The hottest temperatures reached 95°F in September; the coolest were -5°F in January. Total precipitation for the year was 29 inches, with the wettest month being April. Snowfall for the year totaled approximately 8 inches.
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