Snowall Statistics for Rockford


First Snowfall

Trace or More
Average Date: November 2nd
Earliest: October 3, 1951 (Trace)
Latest: December 19, 1999 (0.1 inches)

Measurable (0.1 inches or more)
Average Date: November 20th
Earliest: October 12, 1909 (0.2 inches)
Latest: January 7, 1940 (1.6 inches)

One Inch or More

Average Date: December 1st
Earliest: October 23, 1917 (1.0 inches)
  October 23, 1929 (5.0 inches)
Latest: February 7, 1921 (2.2 inch)

 


Seasonal Snowfall

Average Snowfall from Fall through Spring (1981-2010): 36.7 inches
Least amount of snowfall: 2.8 inches (1906-1907 season)
Greatest amount of snowfall: 74.5 inches (1978-1979 season)


Monthly Snowfall

  Greatest Least
January 36.1 inches (1918) Trace (1997, 1911, 1928, 1934)
February 30.2 inches (1994) Trace (1907, 1987)
March 22.7 inches (1964) Zero (Numerous Years)
April 9.0 inches (1936) Zero (Numerous Years)
May 1.5 inches (1940) Zero (Numerous Years)
October 5.0 inches (1929) Zero (Numerous Years)
November 14.8 inches (1947) Zero (1999, 2001)
December 30.1inches (2000) Trace (1905, 1908, 1910, 1939)

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