Cornwall Consecutive 35 Degree Days

This page shows the record for the most days in a row in Cornwall, Ontario where the high temperature was at least 35 °C, from 1867–2024.
City:
Most days in a row where the
temperature was
Longest Streak: 3 Days
Between Jul 21–23, 1955, the daily high temperature in Cornwall was always at least 35 °C – a span of 3 days.
# Days When
3 Jul 21–23, 1955
3 Jul 13–15, 1868
2 Jul 9–10, 2020
2 Jul 4–5, 2018
2 Jul 1–2, 2018
2 Aug 8–9, 2001
2 Aug 1–2, 1975
2 Aug 5–6, 1955
2 Aug 1–2, 1955