Aviston is a city of approximately 2,100 people in Illinois, United States. Located in the Central Time Zone at 38.6°N latitude.
Across a typical year Aviston sees about 43 inches of precipitation and 11 inches of snow, with May the wettest month and February the driest. Temperatures range from January lows near 24°F up to July highs around 90°F, averaging 58°F annually — characteristic of a humid continental climate.
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