Weather on October 1 in Ottawa
Historical weather data for October 1 in Ottawa, Canada
Based on 54 years of data from OTTAWA CDA
About This Date
October 1st in Ottawa, Canada typically brings mild fall weather, with average highs around 17°C and lows near 7°C. Over 54 years of records, the warmest October 1st was in 2002 (19°C average), while the coldest was 1974 (2°C) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 56% of October 1st dates historically, with the wettest October 1st recording 2.08" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for October 1st in Ottawa? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 17°C (63°F) | 7°C (44°F) | -- |
| 2023 | 25°C (77°F) | 12°C (53°F) | 0" |
| 2022 | 18°C (65°F) | 6°C (42°F) | 0" |
| 2021 | 17°C (63°F) | 6°C (43°F) | 0.76" |
| 2020 | 18°C (65°F) | 8°C (47°F) | 0.04" |
| 2019 | 17°C (63°F) | 8°C (47°F) | 2.08" |
| 2018 | 14°C (57°F) | 7°C (44°F) | 0.66" |
| 2017 | 17°C (63°F) | 3°C (37°F) | 0" |
| 2016 | 18°C (64°F) | 12°C (53°F) | 0.14" |
| 2015 | 14°C (58°F) | 4°C (39°F) | 0" |
| 2014 | 19°C (67°F) | 11°C (52°F) | 0" |
| 2013 | 23°C (74°F) | 16°C (60°F) | 0" |
| 2012 | 21°C (69°F) | 11°C (52°F) | 0" |
| 2011 | 9°C (49°F) | 6°C (42°F) | 0" |
| 2010 | 17°C (62°F) | 7°C (44°F) | 0" |
| 2009 | 8°C (46°F) | 3°C (37°F) | 0.04" |
| 2008 | 13°C (56°F) | 9°C (49°F) | 0.04" |
| 2007 | 24°C (76°F) | 7°C (45°F) | 0" |
| 2006 | 14°C (58°F) | 9°C (49°F) | 0.17" |
| 2005 | 23°C (74°F) | 7°C (44°F) | 0" |
| 2004 | 19°C (67°F) | 6°C (42°F) | 0" |
| 2003 | 12°C (54°F) | 2°C (35°F) | 0.42" |
| 2002 | 27°C (80°F) | 13°C (55°F) | 0" |
| 2001 | 22°C (71°F) | 4°C (40°F) | 0" |
| 2000 | 23°C (74°F) | 8°C (47°F) | 0" |
| 1999 | 17°C (63°F) | 8°C (47°F) | 0.1" |
| 1998 | 11°C (52°F) | 7°C (45°F) | 0.04" |
| 1997 | 9°C (48°F) | 4°C (39°F) | 0.02" |
| 1996 | 23°C (74°F) | 6°C (43°F) | 0.12" |
| 1995 | 23°C (73°F) | 6°C (43°F) | 0" |
| 1994 | 15°C (59°F) | 1°C (34°F) | 0.04" |
| 1993 | 14°C (57°F) | -2°C (29°F) | 0.78" |
| 1992 | 12°C (54°F) | 0°C (32°F) | 0" |
| 1991 | 18°C (65°F) | 7°C (44°F) | 0.1" |
| 1990 | 13°C (55°F) | 5°C (41°F) | 0.58" |
| 1989 | 22°C (71°F) | 3°C (38°F) | 0.18" |
| 1988 | 23°C (73°F) | 13°C (56°F) | 0.52" |
| 1987 | 12°C (53°F) | 7°C (44°F) | 0.22" |
| 1986 | 20°C (68°F) | 13°C (56°F) | 0.04" |
| 1985 | 17°C (63°F) | 14°C (58°F) | 0.49" |
| 1984 | 14°C (58°F) | 4°C (39°F) | 0" |
| 1983 | 22°C (71°F) | 8°C (46°F) | 0" |
| 1982 | 17°C (63°F) | 13°C (56°F) | 0.98" |
| 1981 | 6°C (42°F) | -1°C (30°F) | 0.32" |
| 1980 | 23°C (73°F) | 7°C (44°F) | 0.2" |
| 1979 | 19°C (66°F) | 14°C (57°F) | 0" |
| 1978 | 19°C (67°F) | 13°C (55°F) | 0.02" |
| 1977 | 9°C (49°F) | 8°C (46°F) | 1.98" |
| 1976 | 19°C (67°F) | 4°C (40°F) | 0" |
| 1975 | 20°C (68°F) | 10°C (50°F) | 1.12" |
| 1974 | 7°C (45°F) | -2°C (28°F) | 0.08" |
| 1973 | 21°C (70°F) | 2°C (36°F) | 0" |
| 1972 | 12°C (54°F) | 1°C (33°F) | 0.18" |
| 1971 | 26°C (78°F) | 11°C (51°F) | 0" |