Weather on May 23 in Ottawa
Historical weather data for May 23 in Ottawa, Canada
Based on 56 years of data from OTTAWA CDA
About This Date
May 23rd in Ottawa, Canada typically brings pleasant spring weather, with average highs around 21°C and lows near 9°C. Over 56 years of records, the warmest May 23rd was in 1975 (26°C average), while the coldest was 1971 (8°C) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 36% of May 23rd dates historically, with the wettest May 23rd recording 4.36" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for May 23rd in Ottawa? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 19°C (67°F) | 8°C (46°F) | -- |
| 2025 | 12°C (53°F) | 7°C (45°F) | 2 mm |
| 2024 | 30°C (86°F) | 16°C (61°F) | 3 mm |
| 2023 | 24°C (75°F) | 4°C (39°F) | 18 mm |
| 2022 | 16°C (61°F) | 7°C (44°F) | 0 mm |
| 2021 | 19°C (67°F) | 9°C (49°F) | 0 mm |
| 2020 | 24°C (76°F) | 13°C (55°F) | 0 mm |
| 2019 | 21°C (69°F) | 10°C (50°F) | 34 mm |
| 2018 | 24°C (75°F) | 9°C (49°F) | 0 mm |
| 2017 | 21°C (70°F) | 7°C (45°F) | 0 mm |
| 2016 | 27°C (80°F) | 9°C (49°F) | 0 mm |
| 2015 | 17°C (63°F) | 1°C (33°F) | 0 mm |
| 2014 | 20°C (68°F) | 12°C (54°F) | 16 mm |
| 2013 | 21°C (69°F) | 15°C (59°F) | 13 mm |
| 2012 | 23°C (73°F) | 13°C (55°F) | 0 mm |
| 2011 | 26°C (78°F) | 16°C (61°F) | 0 mm |
| 2010 | 27°C (80°F) | 13°C (56°F) | 0 mm |
| 2009 | 22°C (71°F) | 6°C (42°F) | 0 mm |
| 2008 | 19°C (66°F) | 8°C (46°F) | 0 mm |
| 2007 | 27°C (81°F) | 8°C (47°F) | 0 mm |
| 2006 | 17°C (62°F) | 6°C (43°F) | 0 mm |
| 2005 | 12°C (53°F) | 8°C (46°F) | 22 mm |
| 2004 | 21°C (69°F) | 13°C (55°F) | 26 mm |
| 2003 | 21°C (70°F) | 8°C (46°F) | 0 mm |
| 2002 | 22°C (72°F) | 5°C (41°F) | 0 mm |
| 2001 | 16°C (60°F) | 12°C (54°F) | 2 mm |
| 2000 | 22°C (71°F) | 13°C (55°F) | 19 mm |
| 1999 | 23°C (74°F) | 11°C (52°F) | 0 mm |
| 1998 | 24°C (75°F) | 7°C (45°F) | 0 mm |
| 1997 | 18°C (64°F) | 6°C (42°F) | 0 mm |
| 1996 | 19°C (66°F) | 11°C (51°F) | 0 mm |
| 1995 | 20°C (68°F) | 8°C (47°F) | 15 mm |
| 1994 | 22°C (72°F) | 14°C (58°F) | 0 mm |
| 1993 | 21°C (70°F) | 3°C (37°F) | 34 mm |
| 1992 | 29°C (85°F) | 13°C (55°F) | 14 mm |
| 1991 | 28°C (83°F) | 14°C (57°F) | 0 mm |
| 1990 | 15°C (59°F) | 7°C (44°F) | 0 mm |
| 1989 | 24°C (75°F) | 6°C (43°F) | 0 mm |
| 1988 | 22°C (72°F) | 14°C (57°F) | 0 mm |
| 1987 | 9°C (48°F) | 8°C (46°F) | 22 mm |
| 1986 | 17°C (63°F) | 11°C (52°F) | 13 mm |
| 1985 | 24°C (75°F) | 6°C (42°F) | 1 mm |
| 1984 | 18°C (64°F) | 14°C (58°F) | 17 mm |
| 1983 | 22°C (72°F) | 14°C (57°F) | 0 mm |
| 1982 | 16°C (60°F) | 9°C (49°F) | 18 mm |
| 1981 | 23°C (74°F) | 9°C (48°F) | 0 mm |
| 1980 | 27°C (81°F) | 13°C (55°F) | 0 mm |
| 1979 | 15°C (59°F) | 8°C (46°F) | 0 mm |
| 1978 | 27°C (80°F) | 8°C (46°F) | 0 mm |
| 1977 | 31°C (88°F) | 14°C (57°F) | 111 mm |
| 1976 | 16°C (60°F) | 5°C (41°F) | 0 mm |
| 1975 | 32°C (90°F) | 19°C (66°F) | 0 mm |
| 1974 | 15°C (59°F) | 6°C (42°F) | 10 mm |
| 1973 | 21°C (69°F) | 6°C (43°F) | 0 mm |
| 1972 | 29°C (85°F) | 7°C (45°F) | 0 mm |
| 1971 | 14°C (58°F) | 2°C (36°F) | 0 mm |