Hamilton, in Illinois, United States, is home to roughly 2,900 people in the Central Time Zone at 40.4°N latitude.
Across a typical year Hamilton sees about 36 inches of precipitation, with May the wettest month and January the driest. Temperatures range from January lows near 19°F up to July highs around 86°F, averaging 53°F annually — characteristic of a humid continental climate.
View historical weather for Hamilton · More cities in Illinois