Cornwall Longest Dry Streaks

What's longest streak without rain in Cornwall history? This page shows the most consecutive days it has gone without precipitation in Cornwall, Ontario from 1867–2024.

Longest rain streaks
Longest snow streaks

Longest Streak: 25 Days

Between Sep 9 – Oct 3, 2017, there were no recorded days with at least 0.01 inches of rain or 0.1 inches of snow in Cornwall.

# Days	When
25	Sep 9 – Oct 3, 2017
23	Aug 10 – Sep 1, 1957
23	Jan 6–28, 1872
22	May 31 – Jun 21, 1988
21	Mar 3–23, 2021
20	Mar 30 – Apr 18, 1877
20	Dec 12–31, 1868
19	Jun 12–30, 1995
19	Feb 26 – Mar 16, 1965
19	Oct 12–30, 1963
19	Apr 30 – May 18, 1959
19	May 24 – Jun 11, 1884
18	Mar 17 – Apr 3, 2012
18	Mar 3–20, 1987
18	Jun 14 – Jul 1, 1975
18	Aug 17 – Sep 3, 1953
17	Aug 21 – Sep 6, 2015
17	Mar 17 – Apr 2, 2011
17	May 14–30, 2010
17	Oct 24 – Nov 9, 1970

Weather Station Details

Years	Station	Coordinates
1950–2024	Cornwall	location
1867–1887	Cornwall	location