Cornwall Longest Rain Streaks

What's the most days it has rained in a row in Cornwall history? This page shows the most consecutive days with precipitation (rain or snow) in Cornwall, Ontario from 1867–2024.

Longest snow streaks
Longest dry streaks

Longest Streak: 14 Days

Between Jun 18 – Jul 1, 2017, there was at least 0.01 inches of rain or 0.1 inches of snow recorded each day in Cornwall.

# Days	When
14	Jun 18 – Jul 1, 2017
12	Sep 26 – Oct 7, 1880
10	Dec 7–16, 2008
10	Sep 7–16, 1996
10	Apr 16–25, 1993
10	Nov 25 – Dec 4, 1972
10	Feb 9–18, 1968
9	Jan 17–25, 2019
9	Jun 22–30, 2010
9	Sep 27 – Oct 5, 2003
9	Nov 30 – Dec 8, 1996
9	Nov 1–9, 1986
9	Sep 28 – Oct 6, 1986
9	Jan 17–25, 1985
9	Dec 7–15, 1980
9	Sep 25 – Oct 3, 1977
9	Aug 16–24, 1977
9	Dec 26, 1961 – Jan 3, 1962
9	Jul 28 – Aug 5, 1883
8	Oct 20–27, 2023

Weather Station Details

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