Most Monthly Snow in Cornwall History

This is a list of the largest daily snowfall totals ever recorded in Cornwall, Ontario history from 1867–2024.

What Was the Snowiest Month in Cornwall History?

According to NOAA records, the most snow that Cornwall, Ontario has ever received in a single month is 136.0 cm which occurred in January 1977.

Cornwall Most Snow in One Month

Rank	Snow	Month
1	136.0 cm	January 1977
2	131.3 cm	January 1966
3	128.1 cm	February 1971
4	123.9 cm	January 1978
5	117.6 cm	December 1972
6	115.1 cm	December 1970
7	113.0 cm	January 2019
8	107.3 cm	November 1886
9	107.2 cm	December 1973
10	104.6 cm	February 1972
11	104.0 cm	December 1968
12	103.0 cm	February 2015
13	101.9 cm	February 1870
14	100.4 cm	December 1977
15	100.2 cm	January 1887
16	97.7 cm	November 1873
17	97.6 cm	January 1994
18	97.0 cm	January 2023
19	94.6 cm	January 1999
20	91.4 cm	March 1870