Grayville, in Illinois, United States, is home to roughly 1,600 people in the Central Time Zone at 38.3°N latitude.
Across a typical year Grayville sees about 48 inches of precipitation and 11 inches of snow, with April the wettest month and August the driest. Temperatures range from January lows near 26°F up to July highs around 89°F, averaging 57°F annually — characteristic of a humid continental climate.
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