Weather on May 17 in Ottawa
Historical weather data for May 17 in Ottawa, Canada
Based on 56 years of data from OTTAWA CDA
About This Date
May 17th in Ottawa, Canada typically brings mild spring weather, with average highs around 19°C and lows near 8°C. Over 56 years of records, the warmest May 17th was in 1977 (24°C average), while the coldest was 1981 (5°C) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 36% of May 17th dates historically, with the wettest May 17th recording 2.08" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for May 17th in Ottawa? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 24°C (75°F) | 12°C (53°F) | -- |
| 2025 | 27°C (81°F) | 12°C (54°F) | 10 mm |
| 2024 | 24°C (75°F) | 13°C (55°F) | 6 mm |
| 2023 | 10°C (50°F) | 0°C (32°F) | 0 mm |
| 2022 | 15°C (59°F) | 8°C (46°F) | 6 mm |
| 2021 | 25°C (77°F) | 7°C (45°F) | 0 mm |
| 2020 | 20°C (68°F) | 8°C (47°F) | 0 mm |
| 2019 | 14°C (57°F) | 8°C (46°F) | 0 mm |
| 2018 | 18°C (64°F) | 13°C (55°F) | 0 mm |
| 2017 | 31°C (87°F) | 12°C (53°F) | 0 mm |
| 2016 | 16°C (60°F) | 1°C (34°F) | 0 mm |
| 2015 | 24°C (76°F) | 10°C (50°F) | 0 mm |
| 2014 | 14°C (57°F) | 6°C (43°F) | 0 mm |
| 2013 | 20°C (68°F) | 5°C (41°F) | 0 mm |
| 2012 | 17°C (63°F) | 6°C (42°F) | 0 mm |
| 2011 | 16°C (60°F) | 6°C (43°F) | 5 mm |
| 2010 | 25°C (77°F) | 5°C (41°F) | 0 mm |
| 2009 | 11°C (51°F) | 3°C (38°F) | 0 mm |
| 2008 | 21°C (69°F) | 5°C (41°F) | 2 mm |
| 2007 | 11°C (51°F) | 4°C (40°F) | 0 mm |
| 2006 | 18°C (64°F) | 12°C (54°F) | 6 mm |
| 2005 | 14°C (58°F) | 4°C (39°F) | 0 mm |
| 2004 | 23°C (74°F) | 6°C (43°F) | 24 mm |
| 2003 | 21°C (70°F) | 6°C (43°F) | 0 mm |
| 2002 | 11°C (52°F) | 4°C (40°F) | 0 mm |
| 2001 | 18°C (64°F) | 8°C (47°F) | 2 mm |
| 2000 | 20°C (68°F) | 3°C (37°F) | 16 mm |
| 1999 | 26°C (79°F) | 11°C (51°F) | 0 mm |
| 1998 | 28°C (83°F) | 17°C (62°F) | 0 mm |
| 1997 | 15°C (59°F) | 4°C (40°F) | 0 mm |
| 1996 | 23°C (73°F) | 4°C (39°F) | 5 mm |
| 1995 | 13°C (55°F) | 9°C (48°F) | 30 mm |
| 1994 | 15°C (59°F) | 9°C (48°F) | 7 mm |
| 1993 | 13°C (56°F) | 4°C (39°F) | 0 mm |
| 1992 | 27°C (80°F) | 14°C (57°F) | 53 mm |
| 1991 | 11°C (51°F) | 7°C (45°F) | 43 mm |
| 1990 | 17°C (63°F) | 9°C (49°F) | 40 mm |
| 1989 | 28°C (82°F) | 12°C (53°F) | 0 mm |
| 1988 | 17°C (62°F) | 11°C (51°F) | 0 mm |
| 1987 | 15°C (59°F) | 10°C (50°F) | 5 mm |
| 1986 | 26°C (78°F) | 16°C (61°F) | 0 mm |
| 1985 | 18°C (64°F) | 13°C (56°F) | 0 mm |
| 1984 | 17°C (63°F) | 4°C (39°F) | 0 mm |
| 1983 | 13°C (55°F) | 1°C (34°F) | 0 mm |
| 1982 | 23°C (73°F) | 13°C (56°F) | 0 mm |
| 1981 | 11°C (52°F) | -1°C (31°F) | 0 mm |
| 1980 | 22°C (72°F) | 3°C (37°F) | 19 mm |
| 1979 | 19°C (66°F) | 2°C (35°F) | 0 mm |
| 1978 | 17°C (62°F) | 13°C (55°F) | 23 mm |
| 1977 | 32°C (90°F) | 16°C (60°F) | 0 mm |
| 1976 | 23°C (73°F) | 17°C (62°F) | 12 mm |
| 1975 | 24°C (75°F) | 6°C (43°F) | 0 mm |
| 1974 | 21°C (70°F) | 9°C (48°F) | 0 mm |
| 1973 | 8°C (46°F) | 4°C (40°F) | 28 mm |
| 1972 | 20°C (68°F) | 13°C (56°F) | 0 mm |
| 1971 | 23°C (73°F) | 8°C (47°F) | 0 mm |