Weather on October 31 in Montreal
Historical weather data for October 31 in Montreal, Canada
Based on 51 years of data from MONTREAL MCGILL
About This Date
October 31st in Montreal, Canada typically brings cool fall weather, with average highs around 11°C and lows near 3°C. Over 51 years of records, the warmest October 31st was in 1989 (17°C average), while the coldest was 1992 (0°C) — a 30°F range across recorded history. Precipitation has occurred on 33% of recorded October 31st dates, with snow falling 2% of the time. The last decade has been 2.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.8°F cooler on this date compared to 20-30 years ago.
Planning for October 31st in Montreal? 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 | 9°C (49°F) | 5°C (41°F) | -- |
| 2023 | 5°C (41°F) | -1°C (31°F) | 1 mm |
| 2022 | 16°C (60°F) | 8°C (46°F) | 0 mm |
| 2021 | 11°C (52°F) | 8°C (46°F) | 84 mm |
| 2020 | 6°C (43°F) | -2°C (29°F) | 0 mm |
| 2019 | 16°C (61°F) | 7°C (45°F) | 149 mm |
| 2018 | 6°C (42°F) | 2°C (35°F) | 21 mm |
| 2017 | 12°C (53°F) | 3°C (38°F) | 0 mm |
| 2016 | 4°C (40°F) | 2°C (35°F) | 0 mm |
| 2015 | 8°C (47°F) | 1°C (33°F) | 0 mm |
| 2014 | 8°C (47°F) | 3°C (38°F) | -- |
| 2013 | 13°C (56°F) | 3°C (37°F) | 59 mm |
| 2012 | 15°C (59°F) | 8°C (46°F) | -- |
| 2011 | 11°C (52°F) | 3°C (38°F) | 0 mm |
| 2010 | 3°C (38°F) | 1°C (33°F) | 3 mm |
| 2009 | 14°C (58°F) | 8°C (47°F) | 31 mm |
| 2008 | 13°C (56°F) | 1°C (34°F) | 0 mm |
| 2007 | 17°C (62°F) | 6°C (43°F) | 0 mm |
| 2006 | 8°C (47°F) | 1°C (34°F) | 0 mm |
| 2005 | 16°C (61°F) | 9°C (49°F) | 0 mm |
| 2004 | 15°C (59°F) | 7°C (44°F) | 7 mm |
| 2003 | 17°C (63°F) | 6°C (43°F) | 3 mm |
| 2002 | 6°C (42°F) | -1°C (30°F) | 0 mm |
| 2001 | 6°C (43°F) | -1°C (30°F) | 11 mm |
| 2000 | 9°C (48°F) | 1°C (34°F) | 0 mm |
| 1999 | 16°C (61°F) | 10°C (50°F) | 0 mm |
| 1998 | 10°C (50°F) | 6°C (43°F) | 0 mm |
| 1997 | 13°C (56°F) | 3°C (38°F) | 0 mm |
| 1996 | 11°C (51°F) | 2°C (35°F) | 0 mm |
| 1992 | 3°C (37°F) | -2°C (28°F) | 0 mm |
| 1991 | 8°C (46°F) | 7°C (44°F) | 2 mm |
| 1990 | 12°C (53°F) | 3°C (37°F) | 0 mm |
| 1989 | 21°C (69°F) | 13°C (55°F) | 39 mm |
| 1988 | 6°C (42°F) | -3°C (27°F) | 0 mm |
| 1987 | 10°C (50°F) | 4°C (40°F) | 0 mm |
| 1986 | 6°C (42°F) | -3°C (27°F) | 0 mm |
| 1985 | 9°C (49°F) | 2°C (36°F) | 0 mm |
| 1984 | 7°C (45°F) | 4°C (39°F) | 0 mm |
| 1983 | 11°C (51°F) | 2°C (36°F) | 0 mm |
| 1982 | 18°C (64°F) | 12°C (53°F) | 1 mm |
| 1981 | 11°C (52°F) | 2°C (36°F) | 0 mm |
| 1980 | 10°C (50°F) | 4°C (39°F) | 5 mm |
| 1979 | 10°C (50°F) | 3°C (37°F) | 0 mm |
| 1978 | 13°C (56°F) | 4°C (39°F) | 0 mm |
| 1977 | 12°C (54°F) | 2°C (36°F) | 0 mm |
| 1976 | 6°C (43°F) | 2°C (35°F) | 36 mm |
| 1975 | 4°C (39°F) | -2°C (28°F) | 0 mm |
| 1974 | 18°C (64°F) | 11°C (51°F) | 12 mm |
| 1973 | 9°C (49°F) | 7°C (45°F) | 10 mm |
| 1972 | 3°C (38°F) | -2°C (29°F) | 0 mm |
| 1971 | 17°C (63°F) | 2°C (36°F) | 0 mm |