Weather on August 19 in Ottawa
Historical weather data for August 19 in Ottawa, Canada
Based on 54 years of data from OTTAWA CDA
About This Date
August 19th in Ottawa, Canada typically brings pleasant summer weather, with average highs around 25°C and lows near 13°C. Over 54 years of records, the warmest August 19th was in 2015 (24°C average), while the coldest was 1977 (14°C) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 30% of August 19th dates historically, with the wettest August 19th recording 1.7" of rain. The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for August 19th 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 (72°F) | 11°C (51°F) | 0 mm |
| 2023 | 23°C (74°F) | 13°C (56°F) | 0 mm |
| 2022 | 29°C (85°F) | 17°C (63°F) | 0 mm |
| 2021 | 29°C (84°F) | 19°C (66°F) | 0 mm |
| 2020 | 21°C (69°F) | 11°C (52°F) | 0 mm |
| 2019 | 28°C (83°F) | 18°C (64°F) | 0 mm |
| 2018 | 27°C (80°F) | 13°C (55°F) | 0 mm |
| 2017 | 23°C (74°F) | 19°C (66°F) | 0 mm |
| 2016 | 29°C (84°F) | 13°C (56°F) | 1 mm |
| 2015 | 29°C (85°F) | 19°C (67°F) | 0 mm |
| 2014 | 23°C (73°F) | 8°C (47°F) | 0 mm |
| 2013 | 28°C (82°F) | 16°C (61°F) | 0 mm |
| 2012 | 24°C (76°F) | 10°C (50°F) | 0 mm |
| 2011 | 28°C (83°F) | 14°C (58°F) | 0 mm |
| 2010 | 27°C (80°F) | 11°C (52°F) | 13 mm |
| 2009 | 26°C (79°F) | 16°C (60°F) | 0 mm |
| 2008 | 19°C (67°F) | 10°C (50°F) | 0 mm |
| 2007 | 21°C (69°F) | 8°C (46°F) | 0 mm |
| 2006 | 29°C (85°F) | 18°C (64°F) | 35 mm |
| 2005 | 21°C (69°F) | 12°C (54°F) | 43 mm |
| 2004 | 23°C (74°F) | 17°C (62°F) | 2 mm |
| 2003 | 28°C (83°F) | 17°C (62°F) | 0 mm |
| 2002 | 23°C (74°F) | 13°C (56°F) | 8 mm |
| 2001 | 26°C (79°F) | 16°C (60°F) | 2 mm |
| 2000 | 18°C (65°F) | 13°C (55°F) | 0 mm |
| 1999 | 26°C (79°F) | 13°C (56°F) | 0 mm |
| 1998 | 23°C (73°F) | 8°C (47°F) | 0 mm |
| 1997 | 24°C (76°F) | 10°C (50°F) | 0 mm |
| 1996 | 26°C (78°F) | 11°C (52°F) | 0 mm |
| 1995 | 27°C (80°F) | 16°C (60°F) | 0 mm |
| 1994 | 27°C (81°F) | 14°C (58°F) | 0 mm |
| 1993 | 28°C (82°F) | 14°C (57°F) | 0 mm |
| 1992 | 19°C (66°F) | 14°C (58°F) | 2 mm |
| 1991 | 23°C (73°F) | 16°C (61°F) | 0 mm |
| 1990 | 21°C (69°F) | 11°C (52°F) | 0 mm |
| 1989 | 27°C (81°F) | 10°C (50°F) | 16 mm |
| 1988 | 23°C (73°F) | 9°C (48°F) | 0 mm |
| 1987 | 26°C (79°F) | 16°C (60°F) | 0 mm |
| 1986 | 24°C (76°F) | 13°C (56°F) | 0 mm |
| 1985 | 26°C (79°F) | 17°C (62°F) | 7 mm |
| 1984 | 22°C (71°F) | 16°C (60°F) | 0 mm |
| 1983 | 30°C (86°F) | 18°C (64°F) | 0 mm |
| 1982 | 26°C (79°F) | 12°C (54°F) | 2 mm |
| 1981 | 26°C (79°F) | 9°C (49°F) | 0 mm |
| 1980 | 27°C (80°F) | 18°C (65°F) | 0 mm |
| 1979 | 23°C (73°F) | 14°C (58°F) | 3 mm |
| 1978 | 27°C (81°F) | 14°C (58°F) | 26 mm |
| 1977 | 21°C (69°F) | 7°C (45°F) | 7 mm |
| 1976 | 28°C (82°F) | 11°C (52°F) | 2 mm |
| 1975 | 23°C (73°F) | 8°C (47°F) | 0 mm |
| 1974 | 27°C (80°F) | 16°C (60°F) | 0 mm |
| 1973 | 28°C (82°F) | 17°C (62°F) | 0 mm |
| 1972 | 24°C (75°F) | 14°C (57°F) | 0 mm |
| 1971 | 31°C (87°F) | 13°C (56°F) | 6 mm |