Weather on August 9 in Montreal
Historical weather data for August 9 in Montreal, Canada
Based on 51 years of data from MONTREAL MCGILL
About This Date
August 9th in Montreal, Canada typically brings pleasant summer weather, with average highs around 26°C and lows near 18°C. Over 51 years of records, the warmest August 9th was in 2001 (28°C average), while the coldest was 1999 (15°C) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 41% of August 9th dates historically, with the wettest August 9th recording 3.4" 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 August 9th in Montreal? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 32°C (89°F) | 21°C (70°F) | -- |
| 2023 | 27°C (81°F) | 17°C (62°F) | -- |
| 2022 | 18°C (65°F) | 14°C (57°F) | 2.37" |
| 2021 | 31°C (88°F) | 21°C (69°F) | 0" |
| 2020 | 27°C (81°F) | 21°C (69°F) | 0" |
| 2019 | 26°C (78°F) | 16°C (60°F) | 0.85" |
| 2018 | 28°C (82°F) | 19°C (67°F) | 0.26" |
| 2017 | 24°C (76°F) | 18°C (64°F) | 0" |
| 2016 | 29°C (84°F) | 16°C (61°F) | 0" |
| 2015 | 26°C (78°F) | 16°C (60°F) | 0" |
| 2014 | 29°C (85°F) | 19°C (67°F) | 0" |
| 2013 | 26°C (79°F) | 19°C (66°F) | 0.72" |
| 2012 | 23°C (74°F) | 19°C (67°F) | 0.14" |
| 2011 | 27°C (80°F) | 17°C (62°F) | 3.4" |
| 2010 | 27°C (80°F) | 19°C (66°F) | 0" |
| 2009 | 24°C (76°F) | 16°C (61°F) | 0" |
| 2008 | 24°C (75°F) | 15°C (59°F) | 0" |
| 2007 | 23°C (73°F) | 14°C (57°F) | 0" |
| 2006 | 25°C (77°F) | 15°C (59°F) | 0" |
| 2005 | 31°C (87°F) | 22°C (71°F) | 0" |
| 2004 | 27°C (80°F) | 16°C (60°F) | 0" |
| 2003 | 24°C (76°F) | 18°C (64°F) | 0" |
| 2002 | 27°C (80°F) | 17°C (63°F) | 0" |
| 2001 | 34°C (93°F) | 22°C (71°F) | 0.1" |
| 2000 | 26°C (78°F) | 18°C (65°F) | 1.07" |
| 1999 | 19°C (66°F) | 11°C (51°F) | 0.1" |
| 1998 | 31°C (88°F) | 21°C (69°F) | 0" |
| 1997 | 31°C (87°F) | 19°C (67°F) | 0" |
| 1994 | 24°C (76°F) | 16°C (60°F) | 0" |
| 1992 | 25°C (77°F) | 18°C (64°F) | 0" |
| 1991 | 25°C (77°F) | 19°C (67°F) | 2.2" |
| 1990 | 27°C (80°F) | 18°C (65°F) | 0" |
| 1989 | 25°C (77°F) | 14°C (57°F) | 0" |
| 1988 | 29°C (84°F) | 23°C (74°F) | 0" |
| 1987 | 26°C (79°F) | 15°C (59°F) | 0.08" |
| 1986 | 24°C (76°F) | 18°C (65°F) | 0.39" |
| 1985 | 28°C (83°F) | 19°C (67°F) | 0" |
| 1984 | 28°C (83°F) | 22°C (72°F) | 0.08" |
| 1983 | 21°C (69°F) | 16°C (60°F) | 0" |
| 1982 | 27°C (80°F) | 18°C (65°F) | 0.69" |
| 1981 | 23°C (73°F) | 16°C (61°F) | 0.66" |
| 1980 | 23°C (74°F) | 21°C (69°F) | 0" |
| 1979 | 21°C (70°F) | 13°C (55°F) | 0.25" |
| 1978 | 24°C (75°F) | 20°C (68°F) | 0.25" |
| 1977 | 24°C (76°F) | 16°C (60°F) | 0.13" |
| 1976 | 21°C (69°F) | 17°C (63°F) | 0.43" |
| 1975 | 29°C (85°F) | 17°C (63°F) | 0" |
| 1974 | 23°C (73°F) | 14°C (57°F) | 0" |
| 1973 | 31°C (88°F) | 22°C (71°F) | 0" |
| 1972 | 21°C (70°F) | 16°C (60°F) | 0.84" |
| 1971 | 30°C (86°F) | 21°C (69°F) | 2.39" |