Weather on August 25 in Montreal
Historical weather data for August 25 in Montreal, Canada
Based on 51 years of data from MCTAVISH
About This Date
August 25th in Montreal, Canada typically brings pleasant summer weather, with average highs around 24°C and lows near 16°C. Over 51 years of records, the warmest August 25th was in 2021 (28°C average), while the coldest was 1989 (14°C) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 31% of August 25th dates historically, with the wettest August 25th recording 7.73" of rain. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for August 25th in Montreal? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 25°C (77°F) | 18°C (65°F) | -- |
| 2023 | 19°C (67°F) | 16°C (60°F) | 9 mm |
| 2022 | 23°C (74°F) | 18°C (64°F) | 0 mm |
| 2021 | 33°C (92°F) | 22°C (72°F) | 0 mm |
| 2020 | 26°C (79°F) | 13°C (56°F) | 1 mm |
| 2019 | 25°C (77°F) | 13°C (56°F) | 0 mm |
| 2018 | 29°C (85°F) | 19°C (66°F) | 0 mm |
| 2017 | 22°C (71°F) | 12°C (54°F) | 0 mm |
| 2016 | 26°C (78°F) | 22°C (71°F) | 2 mm |
| 2015 | 27°C (80°F) | 17°C (62°F) | 0 mm |
| 2014 | 29°C (85°F) | 21°C (70°F) | 0 mm |
| 2013 | 24°C (76°F) | 16°C (60°F) | 18 mm |
| 2012 | 32°C (89°F) | 18°C (65°F) | 0 mm |
| 2011 | 24°C (75°F) | 18°C (65°F) | 29 mm |
| 2010 | 22°C (72°F) | 18°C (64°F) | 0 mm |
| 2009 | 26°C (78°F) | 16°C (60°F) | 0 mm |
| 2008 | 22°C (71°F) | 14°C (57°F) | 0 mm |
| 2007 | 28°C (83°F) | 21°C (69°F) | 27 mm |
| 2006 | 19°C (67°F) | 11°C (52°F) | 0 mm |
| 2005 | 28°C (82°F) | 16°C (61°F) | 0 mm |
| 2004 | 26°C (78°F) | 11°C (51°F) | 0 mm |
| 2003 | 19°C (66°F) | 13°C (56°F) | 10 mm |
| 2002 | 25°C (77°F) | 15°C (59°F) | 0 mm |
| 2001 | 25°C (77°F) | 12°C (53°F) | 4 mm |
| 2000 | 27°C (81°F) | 17°C (62°F) | 0 mm |
| 1999 | 29°C (85°F) | 19°C (66°F) | 0 mm |
| 1998 | 24°C (75°F) | 17°C (63°F) | 149 mm |
| 1997 | 25°C (77°F) | 16°C (60°F) | 3 mm |
| 1994 | 20°C (68°F) | 16°C (61°F) | 0 mm |
| 1992 | 29°C (85°F) | 21°C (70°F) | 0 mm |
| 1991 | 26°C (79°F) | 11°C (52°F) | 0 mm |
| 1990 | 28°C (83°F) | 22°C (71°F) | 0 mm |
| 1989 | 19°C (66°F) | 9°C (49°F) | 0 mm |
| 1988 | 21°C (69°F) | 13°C (55°F) | 28 mm |
| 1987 | 21°C (70°F) | 12°C (54°F) | 0 mm |
| 1986 | 21°C (70°F) | 12°C (53°F) | 0 mm |
| 1985 | 18°C (64°F) | 14°C (58°F) | 16 mm |
| 1984 | 26°C (78°F) | 15°C (59°F) | 0 mm |
| 1983 | 28°C (82°F) | 17°C (62°F) | 0 mm |
| 1982 | 16°C (61°F) | 14°C (57°F) | 196 mm |
| 1981 | 21°C (70°F) | 12°C (53°F) | 0 mm |
| 1980 | 27°C (80°F) | 21°C (69°F) | 0 mm |
| 1979 | 25°C (77°F) | 21°C (69°F) | 3 mm |
| 1978 | 22°C (71°F) | 10°C (50°F) | 0 mm |
| 1977 | 19°C (67°F) | 11°C (52°F) | 0 mm |
| 1976 | 27°C (80°F) | 16°C (60°F) | 0 mm |
| 1975 | 28°C (83°F) | 16°C (61°F) | 4 mm |
| 1974 | 24°C (75°F) | 14°C (58°F) | 0 mm |
| 1973 | 26°C (78°F) | 14°C (57°F) | 0 mm |
| 1972 | 28°C (83°F) | 21°C (69°F) | 1 mm |
| 1971 | 20°C (68°F) | 10°C (50°F) | 0 mm |