Weather on August 25 in Ottawa
Historical weather data for August 25 in Ottawa, Canada
Based on 55 years of data from OTTAWA CDA RCS
About This Date
August 25th in Ottawa, Canada typically brings pleasant summer weather, with average highs around 25°C and lows near 13°C. Over 55 years of records, the warmest August 25th was in 2021 (26°C average), while the coldest was 1971 (10°C) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 29% of August 25th dates historically, with the wettest August 25th recording 1.01" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 25th in Ottawa? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 22°C (72°F) | 14°C (58°F) | -- |
| 2025 | 24°C (75°F) | 14°C (58°F) | -- |
| 2023 | 23°C (74°F) | 16°C (61°F) | 0 mm |
| 2022 | 24°C (76°F) | 16°C (61°F) | 11 mm |
| 2021 | 33°C (92°F) | 18°C (64°F) | 0 mm |
| 2020 | 23°C (74°F) | 12°C (54°F) | 1 mm |
| 2019 | 26°C (78°F) | 8°C (46°F) | 0 mm |
| 2018 | 27°C (81°F) | 16°C (60°F) | 0 mm |
| 2017 | 20°C (68°F) | 10°C (50°F) | 0 mm |
| 2016 | 30°C (86°F) | 21°C (69°F) | 2 mm |
| 2015 | 22°C (71°F) | 13°C (56°F) | 0 mm |
| 2014 | 28°C (82°F) | 13°C (56°F) | 0 mm |
| 2013 | 26°C (78°F) | 13°C (56°F) | 1 mm |
| 2012 | 32°C (90°F) | 16°C (60°F) | 0 mm |
| 2011 | 26°C (78°F) | 16°C (61°F) | 2 mm |
| 2010 | 24°C (76°F) | 14°C (58°F) | 2 mm |
| 2009 | 26°C (78°F) | 11°C (51°F) | 0 mm |
| 2008 | 21°C (69°F) | 12°C (53°F) | 0 mm |
| 2007 | 27°C (81°F) | 19°C (66°F) | 19 mm |
| 2006 | 21°C (69°F) | 11°C (52°F) | 0 mm |
| 2005 | 28°C (83°F) | 12°C (53°F) | 0 mm |
| 2004 | 26°C (79°F) | 9°C (48°F) | 0 mm |
| 2003 | 22°C (71°F) | 15°C (59°F) | 0 mm |
| 2002 | 23°C (73°F) | 15°C (59°F) | 0 mm |
| 2001 | 27°C (80°F) | 9°C (48°F) | 0 mm |
| 2000 | 27°C (81°F) | 14°C (58°F) | 0 mm |
| 1999 | 31°C (87°F) | 17°C (63°F) | 0 mm |
| 1998 | 23°C (73°F) | 16°C (60°F) | 6 mm |
| 1997 | 26°C (78°F) | 12°C (53°F) | 0 mm |
| 1996 | 30°C (86°F) | 13°C (56°F) | 0 mm |
| 1995 | 21°C (70°F) | 9°C (49°F) | 0 mm |
| 1994 | 24°C (76°F) | 14°C (58°F) | 0 mm |
| 1993 | 30°C (86°F) | 19°C (66°F) | 0 mm |
| 1992 | 30°C (86°F) | 18°C (65°F) | 0 mm |
| 1991 | 26°C (79°F) | 9°C (48°F) | 0 mm |
| 1990 | 30°C (86°F) | 15°C (59°F) | 0 mm |
| 1989 | 21°C (69°F) | 7°C (44°F) | 0 mm |
| 1988 | 22°C (71°F) | 13°C (55°F) | 11 mm |
| 1987 | 22°C (71°F) | 8°C (47°F) | 0 mm |
| 1986 | 21°C (69°F) | 8°C (47°F) | 0 mm |
| 1985 | 19°C (66°F) | 14°C (58°F) | 2 mm |
| 1984 | 28°C (83°F) | 9°C (49°F) | 0 mm |
| 1983 | 28°C (83°F) | 16°C (60°F) | 0 mm |
| 1982 | 18°C (64°F) | 14°C (57°F) | 26 mm |
| 1981 | 22°C (71°F) | 12°C (53°F) | 0 mm |
| 1980 | 31°C (87°F) | 16°C (60°F) | 0 mm |
| 1979 | 25°C (77°F) | 21°C (69°F) | 0 mm |
| 1978 | 21°C (70°F) | 9°C (49°F) | 0 mm |
| 1977 | 19°C (66°F) | 8°C (47°F) | 0 mm |
| 1976 | 28°C (83°F) | 12°C (53°F) | 0 mm |
| 1975 | 29°C (84°F) | 17°C (62°F) | 0 mm |
| 1974 | 24°C (76°F) | 9°C (49°F) | 0 mm |
| 1973 | 26°C (79°F) | 11°C (51°F) | 0 mm |
| 1972 | 28°C (82°F) | 19°C (66°F) | 4 mm |
| 1971 | 16°C (60°F) | 4°C (39°F) | 0 mm |