Weather on May 19 in Ottawa
Historical weather data for May 19 in Ottawa, Canada
Based on 55 years of data from OTTAWA CDA
About This Date
May 19th in Ottawa, Canada typically brings mild spring weather, with average highs around 20°C and lows near 8°C. Over 55 years of records, the warmest May 19th was in 2026 (23°C average), while the coldest was 2002 (4°C) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 38% of May 19th dates historically, with the wettest May 19th recording 3.68" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for May 19th in Ottawa? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 28°C (83°F) | 18°C (64°F) | -- |
| 2025 | 13°C (55°F) | 6°C (42°F) | 0 mm |
| 2023 | 22°C (71°F) | 4°C (40°F) | 0 mm |
| 2022 | 13°C (55°F) | 4°C (39°F) | 11 mm |
| 2021 | 29°C (85°F) | 10°C (50°F) | 0 mm |
| 2020 | 20°C (68°F) | 9°C (48°F) | 0 mm |
| 2019 | 20°C (68°F) | 9°C (49°F) | 28 mm |
| 2018 | 18°C (65°F) | 8°C (46°F) | 22 mm |
| 2017 | 17°C (62°F) | 8°C (47°F) | 0 mm |
| 2016 | 21°C (69°F) | 9°C (49°F) | 0 mm |
| 2015 | 26°C (78°F) | 9°C (48°F) | 0 mm |
| 2014 | 22°C (71°F) | 8°C (47°F) | 0 mm |
| 2013 | 17°C (63°F) | 8°C (47°F) | 5 mm |
| 2012 | 28°C (82°F) | 12°C (54°F) | 0 mm |
| 2011 | 22°C (72°F) | 14°C (57°F) | 1 mm |
| 2010 | 23°C (74°F) | 10°C (50°F) | 0 mm |
| 2009 | 18°C (65°F) | 3°C (37°F) | 0 mm |
| 2008 | 13°C (56°F) | 6°C (42°F) | 4 mm |
| 2007 | 23°C (74°F) | 2°C (36°F) | 0 mm |
| 2006 | 16°C (60°F) | 11°C (52°F) | 17 mm |
| 2005 | 19°C (67°F) | 2°C (36°F) | 0 mm |
| 2004 | 22°C (71°F) | 7°C (44°F) | 1 mm |
| 2003 | 27°C (80°F) | 8°C (47°F) | 0 mm |
| 2002 | 8°C (46°F) | 0°C (32°F) | 1 mm |
| 2001 | 21°C (69°F) | 11°C (52°F) | 0 mm |
| 2000 | 13°C (56°F) | 2°C (36°F) | 0 mm |
| 1999 | 21°C (69°F) | 14°C (58°F) | 8 mm |
| 1998 | 25°C (77°F) | 12°C (54°F) | 0 mm |
| 1997 | 15°C (59°F) | 8°C (46°F) | 0 mm |
| 1996 | 27°C (81°F) | 13°C (55°F) | 17 mm |
| 1995 | 19°C (67°F) | 4°C (39°F) | 0 mm |
| 1994 | 20°C (68°F) | 7°C (45°F) | 0 mm |
| 1993 | 13°C (55°F) | 9°C (48°F) | 3 mm |
| 1992 | 22°C (72°F) | 4°C (39°F) | 0 mm |
| 1991 | 20°C (68°F) | 2°C (36°F) | 0 mm |
| 1990 | 12°C (53°F) | 5°C (41°F) | 0 mm |
| 1989 | 30°C (86°F) | 12°C (53°F) | 0 mm |
| 1988 | 19°C (66°F) | 11°C (52°F) | 10 mm |
| 1987 | 18°C (64°F) | 5°C (41°F) | 0 mm |
| 1986 | 11°C (51°F) | 10°C (50°F) | 93 mm |
| 1985 | 16°C (61°F) | 4°C (40°F) | 1 mm |
| 1984 | 19°C (67°F) | 10°C (50°F) | 35 mm |
| 1983 | 19°C (66°F) | 3°C (38°F) | 15 mm |
| 1982 | 21°C (70°F) | 11°C (51°F) | 8 mm |
| 1981 | 18°C (65°F) | 3°C (37°F) | 0 mm |
| 1980 | 14°C (58°F) | 9°C (49°F) | 0 mm |
| 1979 | 24°C (76°F) | 13°C (55°F) | 8 mm |
| 1978 | 28°C (82°F) | 9°C (49°F) | 0 mm |
| 1977 | 27°C (80°F) | 12°C (53°F) | 0 mm |
| 1976 | 9°C (49°F) | 2°C (36°F) | 68 mm |
| 1975 | 29°C (85°F) | 13°C (55°F) | 0 mm |
| 1974 | 16°C (60°F) | 3°C (38°F) | 0 mm |
| 1973 | 15°C (59°F) | 7°C (44°F) | 10 mm |
| 1972 | 23°C (74°F) | 11°C (51°F) | 0 mm |
| 1971 | 31°C (87°F) | 12°C (54°F) | 0 mm |