Weather on October 18 in Montreal
Historical weather data for October 18 in Montreal, Canada
Based on 52 years of data from MCTAVISH
About This Date
October 18th in Montreal, Canada typically brings cool fall weather, with average highs around 12°C and lows near 6°C. Over 52 years of records, the warmest October 18th was in 1998 (18°C average), while the coldest was 1974 (1°C) — a 31°F range across recorded history. Precipitation has occurred on 31% of recorded October 18th dates, with snow falling 2% of the time. The last decade has been 4.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.6°F warmer on this date compared to 20-30 years ago.
Planning for October 18th 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 | 14°C (58°F) | 7°C (45°F) | -- |
| 2023 | 15°C (59°F) | 11°C (51°F) | 0 mm |
| 2022 | 13°C (56°F) | 6°C (43°F) | 2 mm |
| 2021 | 11°C (52°F) | 7°C (44°F) | 6 mm |
| 2020 | 15°C (59°F) | 6°C (43°F) | 0 mm |
| 2019 | 9°C (48°F) | 5°C (41°F) | 0 mm |
| 2018 | 5°C (41°F) | -1°C (31°F) | 0 mm |
| 2017 | 18°C (65°F) | 10°C (50°F) | 0 mm |
| 2016 | 26°C (78°F) | 8°C (47°F) | 11 mm |
| 2015 | 3°C (38°F) | -2°C (29°F) | 0 mm |
| 2014 | 17°C (63°F) | 6°C (43°F) | 5 mm |
| 2013 | 14°C (58°F) | 9°C (49°F) | 6 mm |
| 2012 | 20°C (68°F) | 9°C (48°F) | 0 mm |
| 2011 | 13°C (55°F) | 8°C (47°F) | 0 mm |
| 2010 | 11°C (51°F) | 3°C (38°F) | 0 mm |
| 2009 | 9°C (49°F) | -1°C (31°F) | 0 mm |
| 2008 | 11°C (51°F) | 4°C (39°F) | 0 mm |
| 2007 | 18°C (64°F) | 9°C (49°F) | 0 mm |
| 2006 | 14°C (58°F) | 8°C (47°F) | -- |
| 2005 | 9°C (49°F) | 7°C (44°F) | 6 mm |
| 2004 | 8°C (47°F) | 4°C (39°F) | 0 mm |
| 2003 | 7°C (44°F) | 3°C (37°F) | 0 mm |
| 2002 | 9°C (48°F) | 3°C (38°F) | 0 mm |
| 2001 | 7°C (45°F) | 2°C (35°F) | 3 mm |
| 2000 | 12°C (54°F) | 8°C (47°F) | 42 mm |
| 1999 | 6°C (43°F) | 1°C (33°F) | 3 mm |
| 1998 | 23°C (74°F) | 13°C (55°F) | 0 mm |
| 1997 | 14°C (57°F) | 2°C (36°F) | 0 mm |
| 1996 | 16°C (61°F) | 2°C (35°F) | 0 mm |
| 1994 | 11°C (52°F) | 7°C (45°F) | 3 mm |
| 1992 | 8°C (46°F) | 3°C (37°F) | 0 mm |
| 1991 | 18°C (64°F) | 8°C (46°F) | 0 mm |
| 1990 | 23°C (73°F) | 8°C (47°F) | 64 mm |
| 1989 | 3°C (37°F) | 1°C (33°F) | 2 mm |
| 1988 | 17°C (63°F) | 10°C (50°F) | 12 mm |
| 1987 | 13°C (56°F) | 12°C (53°F) | 0 mm |
| 1986 | 8°C (47°F) | 1°C (34°F) | 0 mm |
| 1985 | 18°C (64°F) | 7°C (45°F) | 10 mm |
| 1984 | 16°C (60°F) | 5°C (41°F) | 0 mm |
| 1983 | 12°C (54°F) | 8°C (46°F) | 0 mm |
| 1982 | 9°C (48°F) | 3°C (37°F) | 0 mm |
| 1981 | 11°C (51°F) | 4°C (39°F) | 28 mm |
| 1980 | 20°C (68°F) | 10°C (50°F) | 0 mm |
| 1979 | 11°C (52°F) | 5°C (41°F) | 0 mm |
| 1978 | 8°C (47°F) | 2°C (36°F) | 4 mm |
| 1977 | 9°C (48°F) | 8°C (46°F) | 0 mm |
| 1976 | 6°C (42°F) | 1°C (33°F) | 0 mm |
| 1975 | 9°C (48°F) | 5°C (41°F) | 0 mm |
| 1974 | 4°C (39°F) | -3°C (27°F) | 0 mm |
| 1973 | 9°C (48°F) | 4°C (40°F) | 0 mm |
| 1972 | 4°C (39°F) | -- | 0 mm |
| 1971 | 18°C (65°F) | 8°C (47°F) | 0 mm |