Weather on May 25 in Ottawa
Historical weather data for May 25 in Ottawa, Canada
Based on 56 years of data from OTTAWA CDA
About This Date
May 25th in Ottawa, Canada typically brings pleasant spring weather, with average highs around 21°C and lows near 10°C. Over 56 years of records, the warmest May 25th was in 2010 (24°C average), while the coldest was 1992 (9°C) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 38% of May 25th dates historically, with the wettest May 25th recording 2.97" of rain. The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
Planning for May 25th in Ottawa? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 21°C (70°F) | 12°C (54°F) | -- |
| 2025 | 19°C (66°F) | 6°C (43°F) | 1 mm |
| 2024 | 19°C (67°F) | 8°C (46°F) | 0 mm |
| 2023 | 18°C (64°F) | 4°C (39°F) | 0 mm |
| 2022 | 22°C (71°F) | 6°C (42°F) | 0 mm |
| 2021 | 28°C (82°F) | 11°C (51°F) | 0 mm |
| 2020 | 23°C (73°F) | 17°C (62°F) | 7 mm |
| 2019 | 18°C (65°F) | 8°C (47°F) | 9 mm |
| 2018 | 27°C (81°F) | 16°C (61°F) | 10 mm |
| 2017 | 19°C (66°F) | 12°C (54°F) | 27 mm |
| 2016 | 26°C (78°F) | 13°C (55°F) | 0 mm |
| 2015 | 19°C (67°F) | 14°C (58°F) | 75 mm |
| 2014 | 26°C (79°F) | 8°C (47°F) | 0 mm |
| 2013 | 16°C (60°F) | 7°C (44°F) | 0 mm |
| 2012 | 28°C (83°F) | 17°C (62°F) | 22 mm |
| 2011 | 18°C (65°F) | 7°C (44°F) | 0 mm |
| 2010 | 32°C (90°F) | 17°C (62°F) | 0 mm |
| 2009 | 15°C (59°F) | 6°C (43°F) | 0 mm |
| 2008 | 24°C (75°F) | 6°C (42°F) | 0 mm |
| 2007 | 31°C (88°F) | 16°C (60°F) | 0 mm |
| 2006 | 27°C (80°F) | 8°C (46°F) | 0 mm |
| 2005 | 23°C (74°F) | 11°C (51°F) | 0 mm |
| 2004 | 13°C (56°F) | 9°C (49°F) | 0 mm |
| 2003 | 18°C (64°F) | 12°C (54°F) | 5 mm |
| 2002 | 17°C (62°F) | 2°C (35°F) | 5 mm |
| 2001 | 23°C (74°F) | 10°C (50°F) | 0 mm |
| 2000 | 18°C (64°F) | 12°C (53°F) | 20 mm |
| 1999 | 14°C (57°F) | 10°C (50°F) | 8 mm |
| 1998 | 28°C (82°F) | 11°C (51°F) | 1 mm |
| 1997 | 17°C (63°F) | 11°C (52°F) | 0 mm |
| 1996 | 17°C (63°F) | 4°C (39°F) | 0 mm |
| 1995 | 21°C (69°F) | 9°C (48°F) | 0 mm |
| 1994 | 21°C (69°F) | 13°C (55°F) | 3 mm |
| 1993 | 16°C (60°F) | 13°C (55°F) | 6 mm |
| 1992 | 15°C (59°F) | 3°C (37°F) | 0 mm |
| 1991 | 26°C (78°F) | 18°C (64°F) | 0 mm |
| 1990 | 23°C (73°F) | 8°C (47°F) | 0 mm |
| 1989 | 25°C (77°F) | 11°C (51°F) | 0 mm |
| 1988 | 16°C (61°F) | 7°C (45°F) | 0 mm |
| 1987 | 19°C (67°F) | 5°C (41°F) | 0 mm |
| 1986 | 26°C (79°F) | 12°C (53°F) | 0 mm |
| 1985 | 23°C (73°F) | 11°C (51°F) | 7 mm |
| 1984 | 24°C (75°F) | 12°C (54°F) | 6 mm |
| 1983 | 21°C (70°F) | 3°C (38°F) | 20 mm |
| 1982 | 18°C (65°F) | 10°C (50°F) | 0 mm |
| 1981 | 21°C (69°F) | 16°C (60°F) | 5 mm |
| 1980 | 20°C (68°F) | 14°C (58°F) | 0 mm |
| 1979 | 13°C (56°F) | 9°C (48°F) | 22 mm |
| 1978 | 29°C (85°F) | 13°C (55°F) | 0 mm |
| 1977 | 22°C (72°F) | 16°C (61°F) | 0 mm |
| 1976 | 19°C (66°F) | 10°C (50°F) | 0 mm |
| 1975 | 24°C (76°F) | 12°C (53°F) | 0 mm |
| 1974 | 16°C (60°F) | 8°C (47°F) | 7 mm |
| 1973 | 19°C (67°F) | 8°C (46°F) | 0 mm |
| 1972 | 19°C (66°F) | 8°C (47°F) | 0 mm |
| 1971 | 21°C (70°F) | 9°C (49°F) | 17 mm |