Weather on August 20 in Montreal
Historical weather data for August 20 in Montreal, Canada
Based on 50 years of data from MONTREAL MCGILL
About This Date
August 20th in Montreal, Canada typically brings pleasant summer weather, with average highs around 25°C and lows near 16°C. Over 50 years of records, the warmest August 20th was in 2021 (28°C average), while the coldest was 1977 (14°C) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 28% of August 20th dates historically, with the wettest August 20th recording 2.38" of rain. The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
Planning for August 20th in Montreal? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 24°C (75°F) | 15°C (59°F) | -- |
| 2023 | 26°C (78°F) | 16°C (61°F) | 0" |
| 2022 | 31°C (88°F) | 19°C (67°F) | 0" |
| 2021 | 33°C (92°F) | 22°C (71°F) | 0" |
| 2020 | 22°C (71°F) | 13°C (56°F) | 0.23" |
| 2019 | 28°C (83°F) | 18°C (65°F) | 0" |
| 2018 | 28°C (83°F) | 17°C (62°F) | 0.02" |
| 2017 | 26°C (79°F) | 18°C (64°F) | 0" |
| 2016 | 30°C (86°F) | 18°C (65°F) | 0" |
| 2015 | 30°C (86°F) | 19°C (67°F) | 0.48" |
| 2014 | 28°C (82°F) | 16°C (60°F) | 0" |
| 2013 | 28°C (82°F) | -- | -- |
| 2012 | 26°C (78°F) | 16°C (60°F) | 0" |
| 2011 | 29°C (85°F) | 19°C (67°F) | 0" |
| 2010 | 22°C (72°F) | 12°C (54°F) | 0" |
| 2009 | 24°C (76°F) | 17°C (63°F) | 0.56" |
| 2008 | 22°C (72°F) | 13°C (56°F) | 0" |
| 2007 | 20°C (68°F) | 9°C (49°F) | 0" |
| 2006 | 19°C (67°F) | 14°C (57°F) | 1.59" |
| 2005 | 21°C (69°F) | 18°C (64°F) | 0.83" |
| 2004 | 23°C (73°F) | 13°C (56°F) | 0" |
| 2003 | 29°C (85°F) | 20°C (68°F) | 0" |
| 2002 | 26°C (78°F) | 16°C (60°F) | 0" |
| 2001 | 22°C (72°F) | 16°C (61°F) | 2.38" |
| 2000 | 20°C (68°F) | 12°C (53°F) | 0" |
| 1999 | 27°C (81°F) | 17°C (62°F) | 0" |
| 1998 | 23°C (73°F) | 12°C (54°F) | 0.12" |
| 1997 | 24°C (76°F) | 12°C (54°F) | -- |
| 1992 | 16°C (61°F) | 13°C (55°F) | 0" |
| 1991 | 24°C (76°F) | 16°C (60°F) | 0.86" |
| 1990 | 23°C (73°F) | 12°C (54°F) | 0" |
| 1989 | 22°C (72°F) | 18°C (64°F) | 1.48" |
| 1988 | 22°C (72°F) | 16°C (60°F) | 0.16" |
| 1987 | 23°C (73°F) | 16°C (60°F) | 0.04" |
| 1986 | 25°C (77°F) | 14°C (58°F) | 0" |
| 1985 | 24°C (75°F) | 16°C (61°F) | 0" |
| 1984 | 22°C (72°F) | 11°C (52°F) | 0" |
| 1983 | 28°C (83°F) | 22°C (72°F) | 0" |
| 1982 | 23°C (74°F) | 19°C (66°F) | 0" |
| 1981 | 27°C (81°F) | 18°C (65°F) | 0" |
| 1980 | 21°C (70°F) | 17°C (63°F) | 0" |
| 1979 | 23°C (73°F) | 16°C (60°F) | 0" |
| 1978 | 23°C (74°F) | 19°C (67°F) | 0" |
| 1977 | 18°C (64°F) | 11°C (51°F) | 0.08" |
| 1976 | 27°C (81°F) | 18°C (65°F) | 0" |
| 1975 | 24°C (75°F) | 18°C (65°F) | 0" |
| 1974 | 28°C (82°F) | 17°C (63°F) | 0" |
| 1973 | 28°C (83°F) | 18°C (64°F) | 0" |
| 1972 | 25°C (77°F) | 14°C (58°F) | 0" |
| 1971 | 27°C (80°F) | 21°C (70°F) | 0.08" |