Weather on July 20 in Ottawa
Historical weather data for July 20 in Ottawa, Canada
Based on 54 years of data from OTTAWA CDA
About This Date
July 20th in Ottawa, Canada typically brings warm summer weather, with average highs around 27°C and lows near 16°C. Over 54 years of records, the warmest July 20th was in 1991 (28°C average), while the coldest was 2000 (16°C) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 43% of July 20th dates historically, with the wettest July 20th recording 3.43" of rain. The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
Planning for July 20th in Ottawa? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 26°C (79°F) | 13°C (56°F) | 12 mm |
| 2023 | 28°C (82°F) | 16°C (61°F) | 65 mm |
| 2022 | 31°C (87°F) | 22°C (72°F) | 0 mm |
| 2021 | 26°C (79°F) | 17°C (63°F) | 67 mm |
| 2020 | 29°C (84°F) | 20°C (68°F) | 0 mm |
| 2019 | 33°C (92°F) | 21°C (69°F) | 4 mm |
| 2018 | 32°C (89°F) | 14°C (57°F) | 0 mm |
| 2017 | 28°C (83°F) | 18°C (64°F) | 0 mm |
| 2016 | 27°C (80°F) | 12°C (53°F) | 0 mm |
| 2015 | 29°C (84°F) | 19°C (66°F) | 3 mm |
| 2014 | 26°C (79°F) | 17°C (63°F) | 0 mm |
| 2013 | 27°C (81°F) | 15°C (59°F) | 0 mm |
| 2012 | 27°C (80°F) | 13°C (55°F) | 0 mm |
| 2011 | 32°C (90°F) | 16°C (61°F) | 0 mm |
| 2010 | 28°C (82°F) | 16°C (60°F) | 0 mm |
| 2009 | 26°C (78°F) | 13°C (56°F) | 0 mm |
| 2008 | 24°C (75°F) | 17°C (62°F) | 0 mm |
| 2007 | 20°C (68°F) | 13°C (56°F) | 87 mm |
| 2006 | 31°C (87°F) | 16°C (60°F) | 0 mm |
| 2005 | 27°C (81°F) | 18°C (64°F) | 0 mm |
| 2004 | 27°C (81°F) | 18°C (64°F) | 1 mm |
| 2003 | 23°C (73°F) | 13°C (55°F) | 29 mm |
| 2002 | 26°C (79°F) | 14°C (57°F) | 0 mm |
| 2001 | 31°C (87°F) | 14°C (58°F) | 0 mm |
| 2000 | 24°C (75°F) | 8°C (47°F) | 11 mm |
| 1999 | 26°C (79°F) | 13°C (56°F) | 0 mm |
| 1998 | 29°C (84°F) | 19°C (67°F) | 0 mm |
| 1997 | 23°C (73°F) | 11°C (52°F) | 0 mm |
| 1996 | 23°C (74°F) | 12°C (53°F) | 0 mm |
| 1995 | 26°C (78°F) | 17°C (62°F) | 59 mm |
| 1994 | 30°C (86°F) | 17°C (62°F) | 0 mm |
| 1993 | 28°C (83°F) | 19°C (66°F) | 8 mm |
| 1992 | 26°C (79°F) | 16°C (60°F) | 6 mm |
| 1991 | 35°C (95°F) | 22°C (71°F) | 16 mm |
| 1990 | 23°C (74°F) | 18°C (65°F) | 80 mm |
| 1989 | 27°C (80°F) | 15°C (59°F) | 0 mm |
| 1988 | 27°C (80°F) | 18°C (64°F) | 0 mm |
| 1987 | 28°C (82°F) | 18°C (65°F) | 4 mm |
| 1986 | 29°C (84°F) | 18°C (65°F) | 6 mm |
| 1985 | 27°C (80°F) | 17°C (63°F) | 0 mm |
| 1984 | 27°C (81°F) | 16°C (61°F) | 11 mm |
| 1983 | 28°C (82°F) | 17°C (62°F) | 0 mm |
| 1982 | 24°C (76°F) | 13°C (56°F) | 0 mm |
| 1981 | 25°C (77°F) | 18°C (64°F) | 7 mm |
| 1980 | 29°C (85°F) | 19°C (67°F) | 49 mm |
| 1979 | 29°C (84°F) | 14°C (58°F) | 0 mm |
| 1978 | 34°C (93°F) | 20°C (68°F) | 0 mm |
| 1977 | 34°C (94°F) | 21°C (69°F) | 0 mm |
| 1976 | 26°C (78°F) | 17°C (63°F) | 5 mm |
| 1975 | 31°C (87°F) | 20°C (68°F) | 67 mm |
| 1974 | 23°C (74°F) | 13°C (55°F) | 0 mm |
| 1973 | 26°C (79°F) | 17°C (62°F) | 0 mm |
| 1972 | 28°C (82°F) | 18°C (64°F) | 3 mm |
| 1971 | 21°C (70°F) | 12°C (54°F) | 5 mm |