Typical high: 24.8°. Hottest: 32.2° (2002). Coldest night: 5.3° (2024).
| YEAR | HIGH | LOW | RAIN |
|---|---|---|---|
| 2025 | 22.7° | 5.8° | 0 mm |
| 2024 | 22.3° | 5.3° | 0 mm |
| 2023 | 20.9° | 16.2° | 0.8 mm |
| 2022 | 28° | 14.5° | 0 mm |
| 2021 | 26.4° | 13.7° | 0 mm |
| 2020 | 17.3° | 14.8° | 23.4 mm |
| 2019 | 19.2° | 16.8° | 5.9 mm |
| 2018 | 19.5° | 16.4° | 1.1 mm |
| 2017 | 25.5° | 12.1° | 0 mm |
| 2016 | 27.5° | 21.9° | 15.1 mm |
| 2015 | 28.6° | 22° | 28.8 mm |
| 2014 | 25.7° | 12° | 0 mm |
| 2013 | 29.6° | 21.4° | 0 mm |
| 2012 | 21.7° | 11.4° | 0.6 mm |
| 2011 | 24.8° | 12.2° | 3.9 mm |
| 2010 | 22.6° | 10.1° | 0 mm |
| 2009 | 25.6° | 13.6° | 0.1 mm |
| 2008 | 17.2° | 11.4° | 15.2 mm |
| 2007 | 28.2° | 18° | 0.7 mm |
| 2006 | 27.4° | 14.6° | 0 mm |
| 2005 | 28.8° | 18.3° | 0 mm |
| 2004 | 21.9° | 13.1° | 0 mm |
| 2003 | 27.4° | 15° | 0 mm |
| 2002 | 32.2° | 17.7° | 0.2 mm |
| 2001 | 26.8° | 19.2° | 9.9 mm |
| 2000 | 29° | 20° | 0 mm |
| 1999 | 28.3° | 16.1° | 0 mm |
| 1998 | 21.8° | 10.6° | 0 mm |
| 1997 | 23.4° | 17.6° | 9.6 mm |
| 1996 | 24.9° | 17.9° | 8.8 mm |
Full South Ottawa (historical) forecast → · Will it rain today?