Weather on July 31 in Montreal
Historical weather data for July 31 in Montreal, Canada
Based on 50 years of data from MONTREAL MCGILL
About This Date
July 31st in Montreal, Canada typically brings warm summer weather, with average highs around 27°C and lows near 18°C. Over 50 years of records, the warmest July 31st was in 1975 (28°C average), while the coldest was 1986 (16°C) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 38% of July 31st dates historically, with the wettest July 31st recording 4.64" of rain. The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
Planning for July 31st in Montreal? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 25°C (77°F) | 17°C (63°F) | -- |
| 2023 | 23°C (73°F) | 14°C (58°F) | 5 mm |
| 2022 | 26°C (79°F) | 18°C (64°F) | 0 mm |
| 2021 | 23°C (74°F) | 12°C (54°F) | 0 mm |
| 2020 | 27°C (81°F) | 17°C (63°F) | 5 mm |
| 2019 | 31°C (87°F) | 21°C (69°F) | 0 mm |
| 2018 | 29°C (85°F) | 21°C (69°F) | 0 mm |
| 2017 | 30°C (86°F) | 19°C (66°F) | 26 mm |
| 2016 | 28°C (83°F) | 18°C (64°F) | 0 mm |
| 2015 | 26°C (79°F) | 19°C (67°F) | 0 mm |
| 2014 | 23°C (74°F) | 14°C (58°F) | 37 mm |
| 2013 | 27°C (80°F) | 17°C (63°F) | 0 mm |
| 2012 | 30°C (86°F) | 21°C (69°F) | 0 mm |
| 2011 | 28°C (82°F) | 18°C (64°F) | 0 mm |
| 2010 | 23°C (74°F) | 13°C (55°F) | 0 mm |
| 2009 | 23°C (74°F) | 18°C (65°F) | 0 mm |
| 2008 | 27°C (81°F) | 19°C (67°F) | 23 mm |
| 2007 | 29°C (85°F) | 20°C (68°F) | 0 mm |
| 2006 | 28°C (82°F) | 18°C (64°F) | 19 mm |
| 2005 | 25°C (77°F) | 14°C (58°F) | 0 mm |
| 2004 | 24°C (76°F) | 21°C (70°F) | 118 mm |
| 2003 | 29°C (84°F) | 18°C (64°F) | 0 mm |
| 2002 | 31°C (88°F) | 22°C (72°F) | 0 mm |
| 2001 | 29°C (84°F) | 17°C (62°F) | 0 mm |
| 2000 | 27°C (80°F) | 19°C (67°F) | 0 mm |
| 1999 | 32°C (90°F) | 23°C (73°F) | 0 mm |
| 1998 | 23°C (73°F) | 14°C (58°F) | 0 mm |
| 1997 | 29°C (85°F) | 18°C (64°F) | 0 mm |
| 1994 | 27°C (81°F) | 18°C (64°F) | 4 mm |
| 1991 | 25°C (77°F) | 17°C (63°F) | 0 mm |
| 1990 | 23°C (73°F) | 17°C (63°F) | 13 mm |
| 1989 | 27°C (81°F) | 17°C (62°F) | 0 mm |
| 1988 | 28°C (83°F) | 21°C (69°F) | 0 mm |
| 1987 | 23°C (73°F) | 15°C (59°F) | 0 mm |
| 1986 | 18°C (64°F) | 15°C (59°F) | 1 mm |
| 1985 | -- | 17°C (62°F) | 0 mm |
| 1984 | 28°C (83°F) | 19°C (67°F) | 1 mm |
| 1983 | 28°C (82°F) | 18°C (64°F) | 26 mm |
| 1982 | 24°C (75°F) | 18°C (64°F) | 8 mm |
| 1981 | 28°C (83°F) | 18°C (64°F) | 0 mm |
| 1980 | 28°C (82°F) | 18°C (64°F) | 0 mm |
| 1979 | 29°C (84°F) | 22°C (71°F) | 23 mm |
| 1978 | 23°C (74°F) | 13°C (55°F) | 5 mm |
| 1977 | 27°C (80°F) | 14°C (58°F) | 0 mm |
| 1976 | 24°C (76°F) | 19°C (66°F) | 4 mm |
| 1975 | 33°C (91°F) | 23°C (73°F) | 0 mm |
| 1974 | 25°C (77°F) | 16°C (60°F) | 28 mm |
| 1973 | 29°C (85°F) | 21°C (69°F) | 0 mm |
| 1972 | 28°C (82°F) | 18°C (64°F) | 2 mm |
| 1971 | 23°C (73°F) | 17°C (62°F) | 5 mm |