Thunder Bay Consecutive 25 Degree Days
This page shows the record for the most days in a row in
Thunder Bay, Ontario where the
high temperature was
at least 25 °C, from 1941–2024.
Longest Streak: 14 Days
Between Aug 15–29, 2013, the daily high temperature in Thunder Bay was always at least 25 °C – a span of 14 days.
| # Days |
When |
| * 14 |
Aug 15–29, 2013 |
| 13 |
Jul 31 – Aug 12, 2005 |
| 13 |
Jul 19–31, 1999 |
| 12 |
Jul 28 – Aug 8, 2011 |
| 12 |
Jul 6–17, 2002 |
| 12 |
Aug 10–21, 1955 |
| 11 |
Jul 11–21, 1998 |
| 11 |
Aug 5–15, 1970 |
| 10 |
Jul 31 – Aug 9, 2006 |
| 10 |
Jul 12–21, 2006 |
| 10 |
Jul 16–25, 1988 |
| 10 |
Jul 5–14, 1948 |
| 9 |
Jul 2–10, 2010 |
| 9 |
Jul 27 – Aug 4, 2007 |
| 9 |
Aug 1–9, 2001 |
| 9 |
Jul 21–29, 1987 |
| 9 |
Jul 5–13, 1981 |
| 9 |
Jul 26 – Aug 3, 1975 |
| 8 |
Jul 20–27, 2023 |
| 8 |
Jul 22–29, 2019 |
Note: streaks marked with a (*) contain days with missing data