Weather on July 18 in Ottawa
Historical weather data for July 18 in Ottawa, Canada
Based on 55 years of data from OTTAWA CDA
About This Date
July 18th in Ottawa, Canada typically brings warm summer weather, with average highs around 28°C and lows near 16°C. Over 55 years of records, the warmest July 18th was in 1982 (28°C average), while the coldest was 1971 (16°C) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 33% of July 18th dates historically, with the wettest July 18th recording 3.28" 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 July 18th 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 |
|---|---|---|---|
| 2025 | 28°C (82°F) | 12°C (54°F) | 0.56" |
| 2024 | 28°C (82°F) | 16°C (60°F) | 0.53" |
| 2023 | 27°C (81°F) | 16°C (61°F) | 1.71" |
| 2022 | 24°C (75°F) | 19°C (66°F) | 2.16" |
| 2021 | 29°C (85°F) | 18°C (64°F) | -- |
| 2020 | 33°C (91°F) | 18°C (64°F) | 0" |
| 2019 | 28°C (82°F) | 17°C (62°F) | 0" |
| 2018 | 25°C (77°F) | 13°C (55°F) | 0" |
| 2017 | 29°C (85°F) | 17°C (63°F) | 0" |
| 2016 | 28°C (83°F) | 17°C (62°F) | 0" |
| 2015 | 28°C (82°F) | 17°C (63°F) | 0" |
| 2014 | 26°C (79°F) | 12°C (54°F) | 0" |
| 2013 | 30°C (86°F) | 19°C (67°F) | 0" |
| 2012 | 27°C (80°F) | 18°C (65°F) | 0" |
| 2011 | 27°C (81°F) | 19°C (67°F) | 0.14" |
| 2010 | 26°C (79°F) | 18°C (65°F) | 0" |
| 2009 | 22°C (72°F) | 14°C (58°F) | 2.98" |
| 2008 | 24°C (75°F) | 19°C (66°F) | 1.5" |
| 2007 | 27°C (81°F) | 16°C (60°F) | 0.12" |
| 2006 | 26°C (78°F) | 17°C (62°F) | 0" |
| 2005 | 32°C (89°F) | 23°C (73°F) | 0" |
| 2004 | 28°C (82°F) | 16°C (60°F) | 0" |
| 2003 | 23°C (73°F) | 11°C (51°F) | 0" |
| 2002 | 24°C (75°F) | 18°C (64°F) | 0" |
| 2001 | 28°C (82°F) | 13°C (56°F) | 0" |
| 2000 | 21°C (69°F) | 17°C (62°F) | 0" |
| 1999 | 29°C (84°F) | 21°C (70°F) | 0" |
| 1998 | 27°C (81°F) | 16°C (60°F) | 0" |
| 1997 | 25°C (77°F) | 17°C (63°F) | 0" |
| 1996 | 30°C (86°F) | 17°C (62°F) | 3.28" |
| 1995 | 27°C (81°F) | 18°C (65°F) | 1.54" |
| 1994 | 29°C (84°F) | 17°C (63°F) | 0" |
| 1993 | 28°C (82°F) | 12°C (54°F) | 0" |
| 1992 | 26°C (78°F) | 17°C (62°F) | 0.88" |
| 1991 | 34°C (93°F) | 18°C (65°F) | 0" |
| 1990 | 31°C (88°F) | 20°C (68°F) | 0" |
| 1989 | 29°C (84°F) | 14°C (57°F) | 0" |
| 1988 | 31°C (87°F) | 17°C (62°F) | 0.04" |
| 1987 | 32°C (89°F) | 17°C (63°F) | 0.08" |
| 1986 | 28°C (83°F) | 17°C (62°F) | 0" |
| 1985 | 28°C (83°F) | 11°C (51°F) | 0" |
| 1984 | 23°C (73°F) | 15°C (59°F) | 0.06" |
| 1983 | 28°C (83°F) | 18°C (65°F) | 0" |
| 1982 | 35°C (95°F) | 21°C (70°F) | 2.1" |
| 1981 | 24°C (76°F) | 17°C (63°F) | 0" |
| 1980 | 28°C (83°F) | 16°C (61°F) | 0" |
| 1979 | 26°C (79°F) | 14°C (57°F) | 0" |
| 1978 | 29°C (85°F) | 12°C (53°F) | 0.1" |
| 1977 | 29°C (84°F) | 19°C (67°F) | 0" |
| 1976 | 26°C (78°F) | 14°C (57°F) | 0" |
| 1975 | 33°C (91°F) | 17°C (62°F) | 0" |
| 1974 | 28°C (83°F) | 17°C (63°F) | 1.55" |
| 1973 | 28°C (83°F) | 12°C (53°F) | 0" |
| 1972 | 30°C (86°F) | 17°C (62°F) | 0.23" |
| 1971 | 22°C (71°F) | 11°C (51°F) | 0" |