Weather on October 17 in Ottawa
Historical weather data for October 17 in Ottawa, Canada
Based on 54 years of data from OTTAWA CDA
About This Date
October 17th in Ottawa, Canada typically brings cool fall weather, with average highs around 12°C and lows near 3°C. Over 54 years of records, the warmest October 17th was in 2014 (15°C average), while the coldest was 1976 (1°C) — a 25°F range across recorded history. Precipitation has occurred on 50% of recorded October 17th dates, with snow falling 2% of the time. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.
Planning for October 17th in Ottawa? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 12°C (54°F) | -1°C (30°F) | -- |
| 2023 | 16°C (60°F) | 3°C (37°F) | 0 mm |
| 2022 | 10°C (50°F) | 7°C (45°F) | 26 mm |
| 2021 | 13°C (56°F) | 7°C (45°F) | 1 mm |
| 2020 | 14°C (58°F) | -1°C (30°F) | 0 mm |
| 2019 | 11°C (51°F) | 8°C (46°F) | 6 mm |
| 2018 | 8°C (47°F) | 3°C (37°F) | 0 mm |
| 2017 | 16°C (61°F) | -1°C (31°F) | 0 mm |
| 2016 | 15°C (59°F) | 7°C (45°F) | 19 mm |
| 2015 | 6°C (43°F) | -2°C (28°F) | 2 mm |
| 2014 | 18°C (64°F) | 13°C (55°F) | 5 mm |
| 2013 | 18°C (64°F) | 10°C (50°F) | 23 mm |
| 2012 | 11°C (51°F) | -2°C (29°F) | 0 mm |
| 2011 | 11°C (52°F) | 6°C (42°F) | 5 mm |
| 2010 | 16°C (60°F) | 2°C (36°F) | 0 mm |
| 2009 | 9°C (48°F) | -2°C (28°F) | 0 mm |
| 2008 | 11°C (51°F) | 2°C (36°F) | 0 mm |
| 2007 | 14°C (58°F) | 1°C (34°F) | 0 mm |
| 2006 | 13°C (56°F) | 4°C (40°F) | 83 mm |
| 2005 | 10°C (50°F) | 2°C (35°F) | 0 mm |
| 2004 | 8°C (47°F) | 5°C (41°F) | 3 mm |
| 2003 | 8°C (46°F) | 1°C (34°F) | 0 mm |
| 2002 | 7°C (44°F) | 3°C (38°F) | 5 mm |
| 2001 | 9°C (49°F) | 3°C (38°F) | 10 mm |
| 2000 | 11°C (52°F) | 3°C (37°F) | 17 mm |
| 1999 | 13°C (55°F) | 11°C (52°F) | 3 mm |
| 1998 | 16°C (60°F) | 4°C (39°F) | 1 mm |
| 1997 | 12°C (53°F) | 0°C (32°F) | 0 mm |
| 1996 | 11°C (51°F) | 4°C (40°F) | 0 mm |
| 1995 | 13°C (55°F) | 3°C (37°F) | 0 mm |
| 1994 | 14°C (58°F) | -2°C (29°F) | 0 mm |
| 1993 | 16°C (60°F) | 13°C (55°F) | 53 mm |
| 1992 | 8°C (47°F) | 3°C (38°F) | 0 mm |
| 1991 | 17°C (63°F) | 1°C (33°F) | 0 mm |
| 1990 | 13°C (56°F) | 3°C (37°F) | 19 mm |
| 1989 | 6°C (42°F) | 3°C (37°F) | 8 mm |
| 1988 | 18°C (65°F) | 7°C (45°F) | 12 mm |
| 1987 | 18°C (64°F) | 6°C (42°F) | 4 mm |
| 1986 | 10°C (50°F) | 5°C (41°F) | 3 mm |
| 1985 | 12°C (53°F) | 1°C (33°F) | 0 mm |
| 1984 | 17°C (62°F) | 6°C (43°F) | 0 mm |
| 1983 | 13°C (55°F) | 4°C (40°F) | 0 mm |
| 1982 | 9°C (49°F) | 1°C (34°F) | 0 mm |
| 1981 | 13°C (55°F) | -2°C (29°F) | 8 mm |
| 1980 | 18°C (64°F) | 0°C (32°F) | 19 mm |
| 1979 | 8°C (47°F) | -2°C (28°F) | 1 mm |
| 1978 | 7°C (45°F) | -4°C (24°F) | 0 mm |
| 1977 | 6°C (43°F) | 4°C (40°F) | 6 mm |
| 1976 | 4°C (39°F) | -2°C (28°F) | 0 mm |
| 1975 | 8°C (47°F) | 0°C (32°F) | 13 mm |
| 1974 | 12°C (53°F) | 3°C (38°F) | 6 mm |
| 1973 | 8°C (46°F) | 4°C (40°F) | 0 mm |
| 1972 | 5°C (41°F) | 1°C (34°F) | 0 mm |
| 1971 | 12°C (54°F) | 5°C (41°F) | 0 mm |