Springfield lies in the northern limits of a humid subtropical climate ("Cfa"), as defined by the Köppen climate classification system. As such, it experiences times of exceptional humidity; especially in late summer. The monthly daily average temperature ranges from in January to in July. On average, there are 39 days of + highs, 2.0 days of + highs, 16 days where the high fails to rise above freezing, and 2.5 nights of lows at or below per year. It has an average annual precipitation of , including an average of snow. Extremes in temperature range from on February 12, 1899 up to on July 14, 1954.