In recent years, average temperatures in the county seat of Mount Carroll have ranged from a low of in January to a high of in July, although a record low of was recorded in January 1910 and a record high of was recorded in July 1936. Average monthly precipitation ranged from in January to in June.
In recent years, average temperatures in the county seat of Mount Carroll have ranged from a low of in January to a high of in July although a record low of was recorded in January 1910 and a record high of was recorded in July 1936 Average monthly precipitation ranged from in January to in June.