About Pinckneyville, IL

Pinckneyville, in Illinois, United States, is home to roughly 5,400 people in the Central Time Zone at 38.1°N latitude.

Across a typical year Pinckneyville sees about 44 inches of precipitation, with April the wettest month and February the driest. Temperatures range from January lows near 25°F up to July highs around 88°F, averaging 56°F annually — characteristic of a humid continental climate.