St. Catharines Consecutive 20 Degree Days
This page shows the record for the most days in a row in
St. Catharines, Ontario where the
high temperature was
at least 20 °C, from 1882–2024.
Longest Streak: 118 Days
Between Jun 7 – Oct 2, 1921, the daily high temperature in St. Catharines was always at least 20 °C – a span of 118 days.
| # Days |
When |
| 118 |
Jun 7 – Oct 2, 1921 |
| * 106 |
May 21 – Sep 18, 1991 |
| 102 |
Jun 20 – Sep 29, 2005 |
| 98 |
Jun 7 – Sep 12, 1983 |
| 96 |
Jun 15 – Sep 18, 2012 |
| 95 |
May 24 – Aug 26, 1919 |
| 91 |
Jun 14 – Sep 12, 1953 |
| 90 |
Jun 14 – Sep 11, 1955 |
| 89 |
Jun 9 – Sep 5, 1993 |
| 88 |
Jun 15 – Sep 10, 1977 |
| * 87 |
Jun 17 – Sep 14, 2016 |
| 87 |
Jun 12 – Sep 6, 1952 |
| 84 |
Jun 9 – Aug 31, 1949 |
| * 82 |
Jun 12 – Sep 2, 1966 |
| 81 |
Jun 28 – Sep 16, 1922 |
| * 80 |
Jun 17 – Sep 7, 2020 |
| 79 |
Jun 18 – Sep 4, 1939 |
| * 78 |
Jun 21 – Sep 7, 2019 |
| 78 |
Jun 29 – Sep 14, 1980 |
| 78 |
Jun 21 – Sep 6, 1944 |
Note: streaks marked with a (*) contain days with missing data