Weather on August 27 in Ottawa
Historical weather data for August 27 in Ottawa, Canada
Based on 55 years of data from OTTAWA CDA
About This Date
August 27th in Ottawa, Canada typically brings pleasant summer weather, with average highs around 25°C and lows near 14°C. Over 55 years of records, the warmest August 27th was in 1991 (27°C average), while the coldest was 2009 (12°C) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 33% of August 27th dates historically, with the wettest August 27th recording 2.62" of rain. The last decade has been 3.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.0°F cooler on this date compared to 20-30 years ago.
Planning for August 27th in Ottawa? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 22°C (71°F) | 10°C (50°F) | -- |
| 2024 | 28°C (83°F) | 16°C (60°F) | 0 mm |
| 2023 | 24°C (75°F) | 12°C (53°F) | 0 mm |
| 2022 | 24°C (75°F) | 14°C (58°F) | 0 mm |
| 2021 | 23°C (74°F) | 17°C (63°F) | 0 mm |
| 2020 | 17°C (62°F) | 10°C (50°F) | 10 mm |
| 2019 | 26°C (79°F) | 11°C (52°F) | 67 mm |
| 2018 | 26°C (79°F) | 15°C (59°F) | 0 mm |
| 2017 | 23°C (73°F) | 10°C (50°F) | 0 mm |
| 2016 | 27°C (81°F) | 17°C (62°F) | 0 mm |
| 2015 | 22°C (72°F) | 11°C (51°F) | 0 mm |
| 2014 | 23°C (74°F) | 18°C (64°F) | 0 mm |
| 2013 | 27°C (81°F) | 18°C (64°F) | 0 mm |
| 2012 | 24°C (76°F) | -- | -- |
| 2011 | 27°C (80°F) | 13°C (55°F) | 0 mm |
| 2010 | 23°C (74°F) | 8°C (47°F) | 0 mm |
| 2009 | 19°C (66°F) | 6°C (43°F) | 0 mm |
| 2008 | 25°C (77°F) | 7°C (44°F) | 0 mm |
| 2007 | 24°C (76°F) | 11°C (51°F) | 0 mm |
| 2006 | 21°C (69°F) | 15°C (59°F) | 49 mm |
| 2005 | 28°C (82°F) | 13°C (55°F) | 0 mm |
| 2004 | 28°C (83°F) | 19°C (67°F) | 1 mm |
| 2003 | 23°C (73°F) | 17°C (62°F) | 0 mm |
| 2002 | 21°C (70°F) | 12°C (54°F) | 0 mm |
| 2001 | 28°C (83°F) | 14°C (58°F) | 0 mm |
| 2000 | 24°C (75°F) | 16°C (61°F) | 0 mm |
| 1999 | 29°C (85°F) | 17°C (62°F) | 0 mm |
| 1998 | 28°C (83°F) | 15°C (59°F) | 0 mm |
| 1997 | 25°C (77°F) | 14°C (58°F) | 30 mm |
| 1996 | 23°C (73°F) | 11°C (52°F) | 0 mm |
| 1995 | 24°C (75°F) | 16°C (60°F) | 0 mm |
| 1994 | 27°C (80°F) | 18°C (65°F) | 9 mm |
| 1993 | 33°C (91°F) | 17°C (62°F) | 26 mm |
| 1992 | 22°C (72°F) | 17°C (63°F) | 5 mm |
| 1991 | 33°C (92°F) | 22°C (71°F) | 0 mm |
| 1990 | 28°C (83°F) | 19°C (66°F) | 3 mm |
| 1989 | 22°C (72°F) | 6°C (43°F) | 0 mm |
| 1988 | 23°C (74°F) | 11°C (51°F) | 5 mm |
| 1987 | 21°C (69°F) | 8°C (46°F) | 0 mm |
| 1986 | 19°C (67°F) | 14°C (58°F) | 0 mm |
| 1985 | 24°C (75°F) | 18°C (64°F) | 0 mm |
| 1984 | 26°C (78°F) | 13°C (56°F) | 0 mm |
| 1983 | 28°C (82°F) | 18°C (65°F) | 0 mm |
| 1982 | 23°C (73°F) | 13°C (56°F) | 6 mm |
| 1981 | 24°C (76°F) | 17°C (63°F) | 0 mm |
| 1980 | 26°C (79°F) | 20°C (68°F) | 7 mm |
| 1979 | 24°C (76°F) | 17°C (63°F) | 0 mm |
| 1978 | 22°C (72°F) | 8°C (46°F) | 1 mm |
| 1977 | 27°C (81°F) | 13°C (56°F) | 0 mm |
| 1976 | 28°C (83°F) | 17°C (63°F) | 3 mm |
| 1975 | 26°C (79°F) | 14°C (57°F) | 0 mm |
| 1974 | 23°C (74°F) | 17°C (63°F) | 15 mm |
| 1973 | 29°C (84°F) | 15°C (59°F) | 1 mm |
| 1972 | 28°C (82°F) | 17°C (63°F) | 9 mm |
| 1971 | 19°C (67°F) | 13°C (56°F) | 29 mm |