Highest Temperatures in Oshawa History
This is a list of the 20 highest temperatures ever recorded in
Oshawa, Ontario history from 1882–2024 based on data from the NOAA.
What's the hottest it has ever gotten in Oshawa?
The hottest temperature in Oshawa, Ontario history is 37.8 °C which happened on Sunday, July 17, 1887.
| Rank |
Temperature |
Date |
| 1 |
37.8 °C |
July 17, 1887 |
| 2 |
37.1 °C |
July 21, 2011 |
| 3 |
36.7 °C |
August 1, 1955 |
| 4 |
36.5 °C |
July 8, 1988 |
| 5 |
36.0 °C |
July 17, 2012 |
| 5 |
36.0 °C |
July 25, 2005 |
| 5 |
36.0 °C |
August 7, 2001 |
| 8 |
35.6 °C |
July 21, 1955 |
| 9 |
35.5 °C |
July 17, 1983 |
| 9 |
35.5 °C |
July 16, 1983 |
| 9 |
35.5 °C |
July 15, 1983 |
| 12 |
35.0 °C |
July 22, 2016 |
| 12 |
35.0 °C |
July 29, 1988 |
| 12 |
35.0 °C |
July 9, 1988 |
| 12 |
35.0 °C |
July 20, 1977 |
| 12 |
35.0 °C |
May 27, 1923 |
| 17 |
34.5 °C |
July 2, 2020 |
| 17 |
34.5 °C |
August 27, 1993 |
| 17 |
34.5 °C |
July 4, 1990 |
| 17 |
34.5 °C |
July 8, 1981 |