Weather on May 15 in Montreal
Historical weather data for May 15 in Montreal, Canada
Based on 50 years of data from MONTREAL MCGILL
About This Date
May 15th in Montreal, Canada typically brings mild spring weather, with average highs around 19°C and lows near 10°C. Over 50 years of records, the warmest May 15th was in 1998 (23°C average), while the coldest was 2016 (6°C) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 50% of May 15th dates historically, with the wettest May 15th recording 2.69" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for May 15th in Montreal? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 26°C (79°F) | 18°C (65°F) | -- |
| 2023 | 21°C (69°F) | 10°C (50°F) | 0" |
| 2022 | 25°C (77°F) | 17°C (63°F) | 2.69" |
| 2021 | 24°C (76°F) | 12°C (54°F) | 0" |
| 2020 | 15°C (59°F) | 10°C (50°F) | 1.68" |
| 2019 | 15°C (59°F) | 7°C (44°F) | 0.02" |
| 2018 | 21°C (69°F) | 8°C (47°F) | 0.09" |
| 2017 | 22°C (71°F) | 9°C (49°F) | 0" |
| 2016 | 9°C (49°F) | 2°C (36°F) | 0.09" |
| 2015 | 22°C (71°F) | 11°C (51°F) | 0" |
| 2014 | 27°C (80°F) | 18°C (64°F) | 0" |
| 2013 | 17°C (62°F) | 5°C (41°F) | 0.4" |
| 2012 | 21°C (69°F) | 15°C (59°F) | 0" |
| 2011 | 12°C (54°F) | 7°C (45°F) | 1.34" |
| 2010 | 17°C (62°F) | 11°C (52°F) | 0.14" |
| 2009 | 19°C (66°F) | 11°C (51°F) | 0" |
| 2008 | 19°C (67°F) | 11°C (52°F) | 0.3" |
| 2007 | 14°C (58°F) | 9°C (49°F) | 0.78" |
| 2006 | 19°C (67°F) | 10°C (50°F) | 0.9" |
| 2005 | 16°C (60°F) | 8°C (46°F) | 0.81" |
| 2004 | 24°C (75°F) | 12°C (54°F) | 0.1" |
| 2003 | 19°C (67°F) | 11°C (51°F) | 0" |
| 2002 | 16°C (60°F) | 3°C (37°F) | 0" |
| 2001 | 16°C (60°F) | 8°C (46°F) | 0" |
| 2000 | 14°C (57°F) | 7°C (44°F) | 0" |
| 1999 | 24°C (75°F) | 10°C (50°F) | 0" |
| 1998 | 29°C (84°F) | 17°C (63°F) | 0" |
| 1997 | 14°C (58°F) | 9°C (49°F) | 0.16" |
| 1992 | 19°C (67°F) | 6°C (43°F) | 0.36" |
| 1991 | 23°C (73°F) | 6°C (42°F) | 0" |
| 1990 | 17°C (63°F) | 12°C (53°F) | 0.05" |
| 1989 | 22°C (72°F) | 10°C (50°F) | 0" |
| 1988 | 23°C (73°F) | 7°C (44°F) | 0" |
| 1987 | 12°C (54°F) | 8°C (47°F) | 0.02" |
| 1986 | 23°C (74°F) | 13°C (55°F) | 0.43" |
| 1985 | 22°C (72°F) | 8°C (47°F) | 0.04" |
| 1984 | 12°C (54°F) | 7°C (45°F) | 0.02" |
| 1983 | 19°C (66°F) | 13°C (55°F) | 0" |
| 1982 | 19°C (67°F) | 8°C (46°F) | 0" |
| 1981 | 23°C (73°F) | 10°C (50°F) | 0.18" |
| 1980 | 17°C (62°F) | 8°C (47°F) | 0" |
| 1979 | 25°C (77°F) | 13°C (55°F) | 0.48" |
| 1978 | 19°C (66°F) | 12°C (54°F) | 0.33" |
| 1977 | 19°C (67°F) | 7°C (45°F) | 0" |
| 1976 | 22°C (71°F) | 11°C (52°F) | 0" |
| 1975 | 24°C (75°F) | 15°C (59°F) | 1.73" |
| 1974 | 27°C (81°F) | 11°C (51°F) | 0.05" |
| 1973 | 16°C (60°F) | 7°C (44°F) | 0" |
| 1972 | 21°C (70°F) | 14°C (57°F) | 0" |
| 1971 | 23°C (73°F) | 6°C (42°F) | 0" |