With a population of around 1,100, Thomasboro sits in Illinois, United States. The city operates in the Central Time Zone.
Across a typical year Thomasboro sees about 40 inches of precipitation, with June the wettest month and February the driest. Temperatures range from January lows near 16°F up to July highs around 88°F, averaging 52°F annually — characteristic of a humid continental climate.
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