Weather on May 20 in Montreal
Historical weather data for May 20 in Montreal, Canada
Based on 50 years of data from MONTREAL MCGILL
About This Date
May 20th in Montreal, Canada typically brings pleasant spring weather, with average highs around 22°C and lows near 11°C. Over 50 years of records, the warmest May 20th was in 1975 (26°C average), while the coldest was 1976 (7°C) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 48% of May 20th dates historically, with the wettest May 20th recording 1.74" of rain. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.
Planning for May 20th in Montreal? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 12°C (53°F) | 7°C (44°F) | -- |
| 2023 | 22°C (71°F) | 14°C (57°F) | 0.44" |
| 2022 | 26°C (79°F) | 9°C (49°F) | 0.02" |
| 2021 | 31°C (88°F) | 19°C (67°F) | 0" |
| 2020 | 24°C (75°F) | 9°C (48°F) | 0.02" |
| 2019 | 23°C (73°F) | 10°C (50°F) | 0.02" |
| 2018 | 21°C (69°F) | 12°C (54°F) | 0.87" |
| 2017 | 18°C (65°F) | 6°C (43°F) | 0" |
| 2016 | 24°C (75°F) | 13°C (55°F) | 0" |
| 2015 | 16°C (61°F) | 7°C (44°F) | 0" |
| 2014 | 23°C (73°F) | 11°C (51°F) | 0" |
| 2013 | 22°C (71°F) | 13°C (56°F) | 0.64" |
| 2012 | 32°C (89°F) | 17°C (62°F) | 0" |
| 2011 | 23°C (74°F) | 14°C (57°F) | 0" |
| 2010 | 26°C (79°F) | 14°C (57°F) | 0" |
| 2009 | 16°C (60°F) | 6°C (42°F) | 0.1" |
| 2008 | 16°C (61°F) | 6°C (43°F) | 0.1" |
| 2007 | 17°C (63°F) | 6°C (43°F) | 0.22" |
| 2006 | 11°C (51°F) | 8°C (46°F) | 0.62" |
| 2005 | 18°C (65°F) | 7°C (45°F) | 0" |
| 2004 | 23°C (74°F) | 11°C (52°F) | 1.74" |
| 2003 | 27°C (81°F) | 15°C (59°F) | 0" |
| 2002 | 12°C (54°F) | 3°C (38°F) | 0.22" |
| 2001 | 23°C (73°F) | 9°C (49°F) | 0" |
| 2000 | 17°C (63°F) | 5°C (41°F) | 0" |
| 1999 | 18°C (65°F) | 7°C (44°F) | 0" |
| 1998 | 27°C (81°F) | 15°C (59°F) | 1.2" |
| 1997 | 14°C (57°F) | 8°C (47°F) | 0" |
| 1992 | 27°C (80°F) | 12°C (54°F) | 0" |
| 1991 | 23°C (73°F) | 12°C (54°F) | 0" |
| 1990 | 13°C (56°F) | 6°C (42°F) | 0.66" |
| 1989 | 29°C (85°F) | 19°C (67°F) | 0.02" |
| 1988 | 24°C (76°F) | 13°C (56°F) | 0.03" |
| 1987 | 21°C (69°F) | 9°C (48°F) | 0" |
| 1986 | 11°C (52°F) | 9°C (48°F) | 0.83" |
| 1985 | 27°C (80°F) | 9°C (48°F) | 0.11" |
| 1984 | 18°C (65°F) | 11°C (51°F) | 0.02" |
| 1983 | 22°C (72°F) | 10°C (50°F) | 0.07" |
| 1982 | 22°C (72°F) | 16°C (61°F) | 0.35" |
| 1981 | 20°C (68°F) | 9°C (49°F) | 0" |
| 1980 | 22°C (71°F) | 9°C (49°F) | 0" |
| 1979 | 25°C (77°F) | 16°C (60°F) | 0" |
| 1978 | 26°C (78°F) | 16°C (61°F) | 0.38" |
| 1977 | 27°C (81°F) | 16°C (60°F) | 0" |
| 1976 | 11°C (51°F) | 4°C (39°F) | 0" |
| 1975 | 32°C (89°F) | 19°C (66°F) | 0" |
| 1974 | 17°C (63°F) | 5°C (41°F) | 0" |
| 1973 | 20°C (68°F) | 8°C (47°F) | 0.23" |
| 1972 | 25°C (77°F) | 14°C (58°F) | 0" |
| 1971 | 29°C (84°F) | 19°C (66°F) | 1.3" |