Weather on May 27 in Ottawa
Historical weather data for May 27 in Ottawa, Canada
Based on 56 years of data from OTTAWA CDA
About This Date
May 27th in Ottawa, Canada typically brings pleasant spring weather, with average highs around 21°C and lows near 11°C. Over 56 years of records, the warmest May 27th was in 2020 (26°C average), while the coldest was 1994 (9°C) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 46% of May 27th dates historically, with the wettest May 27th recording 3.52" of rain. The last decade has been 7.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.1°F warmer on this date compared to 20-30 years ago.
Planning for May 27th in Ottawa? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 25°C (77°F) | 17°C (62°F) | -- |
| 2025 | 26°C (78°F) | 8°C (46°F) | -- |
| 2024 | 23°C (73°F) | 14°C (57°F) | 31 mm |
| 2023 | 28°C (82°F) | 8°C (46°F) | 0 mm |
| 2022 | 22°C (72°F) | 17°C (63°F) | 38 mm |
| 2021 | 14°C (58°F) | 7°C (45°F) | 0 mm |
| 2020 | 34°C (93°F) | 18°C (64°F) | 0 mm |
| 2019 | 17°C (63°F) | 8°C (46°F) | 0 mm |
| 2018 | 23°C (74°F) | 14°C (57°F) | 0 mm |
| 2017 | 23°C (73°F) | 9°C (49°F) | 0 mm |
| 2016 | 31°C (87°F) | 14°C (58°F) | 1 mm |
| 2015 | 28°C (82°F) | 19°C (67°F) | 0 mm |
| 2014 | 20°C (68°F) | 12°C (54°F) | 0 mm |
| 2013 | 19°C (67°F) | 6°C (42°F) | 0 mm |
| 2012 | 22°C (72°F) | 11°C (52°F) | 0 mm |
| 2011 | 13°C (55°F) | 9°C (49°F) | 30 mm |
| 2010 | 26°C (78°F) | 16°C (60°F) | 0 mm |
| 2009 | 13°C (55°F) | 10°C (50°F) | 34 mm |
| 2008 | 16°C (61°F) | 5°C (41°F) | 0 mm |
| 2007 | 15°C (59°F) | 10°C (50°F) | 19 mm |
| 2006 | 24°C (76°F) | 14°C (57°F) | 0 mm |
| 2005 | 15°C (59°F) | 11°C (51°F) | 12 mm |
| 2004 | 21°C (69°F) | 8°C (46°F) | 23 mm |
| 2003 | 19°C (66°F) | 13°C (55°F) | 2 mm |
| 2002 | 21°C (70°F) | 8°C (46°F) | 0 mm |
| 2001 | 20°C (68°F) | 12°C (53°F) | 18 mm |
| 2000 | 17°C (62°F) | 9°C (49°F) | 0 mm |
| 1999 | 21°C (69°F) | 8°C (46°F) | 0 mm |
| 1998 | 24°C (76°F) | 4°C (40°F) | 0 mm |
| 1997 | 21°C (70°F) | 6°C (43°F) | 0 mm |
| 1996 | 22°C (71°F) | 4°C (39°F) | 0 mm |
| 1995 | 22°C (72°F) | 8°C (46°F) | 0 mm |
| 1994 | 15°C (59°F) | 3°C (37°F) | 5 mm |
| 1993 | 16°C (60°F) | 9°C (48°F) | 6 mm |
| 1992 | 17°C (62°F) | 7°C (45°F) | 2 mm |
| 1991 | 27°C (80°F) | 13°C (55°F) | 0 mm |
| 1990 | 26°C (79°F) | 8°C (46°F) | 0 mm |
| 1989 | 15°C (59°F) | 10°C (50°F) | 8 mm |
| 1988 | 26°C (78°F) | 12°C (53°F) | 0 mm |
| 1987 | 21°C (70°F) | 15°C (59°F) | 27 mm |
| 1986 | 29°C (84°F) | 17°C (63°F) | 4 mm |
| 1985 | 19°C (67°F) | 13°C (56°F) | 1 mm |
| 1984 | 18°C (65°F) | 7°C (44°F) | 0 mm |
| 1983 | 12°C (54°F) | 7°C (45°F) | 2 mm |
| 1982 | 28°C (82°F) | 12°C (53°F) | 13 mm |
| 1981 | 19°C (67°F) | 13°C (56°F) | 89 mm |
| 1980 | 20°C (68°F) | 8°C (47°F) | 0 mm |
| 1979 | 20°C (68°F) | 9°C (48°F) | 8 mm |
| 1978 | 33°C (91°F) | 14°C (58°F) | 0 mm |
| 1977 | 23°C (73°F) | 13°C (55°F) | 10 mm |
| 1976 | 27°C (80°F) | 12°C (53°F) | 0 mm |
| 1975 | 24°C (75°F) | 17°C (62°F) | 17 mm |
| 1974 | 16°C (60°F) | 8°C (46°F) | 5 mm |
| 1973 | 19°C (67°F) | 10°C (50°F) | 11 mm |
| 1972 | 28°C (82°F) | 8°C (47°F) | 0 mm |
| 1971 | 14°C (58°F) | 8°C (47°F) | 5 mm |