Weather on April 18 in Ottawa
Historical weather data for April 18 in Ottawa, Canada
Based on 56 years of data from OTTAWA CDA RCS
About This Date
April 18th in Ottawa, Canada typically brings cool spring weather, with average highs around 13°C and lows near 2°C. Over 56 years of records, the warmest April 18th was in 2002 (21°C average), while the coldest was 1983 (-3°C) — a 44°F range across recorded history. Precipitation has occurred on 32% of recorded April 18th dates, with snow falling 5% of the time. The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
Planning for April 18th in Ottawa? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 24°C (75°F) | 8°C (47°F) | -- |
| 2025 | 13°C (56°F) | -1°C (30°F) | -- |
| 2024 | 9°C (48°F) | 4°C (39°F) | 21 mm |
| 2023 | 8°C (46°F) | 1°C (34°F) | 7 mm |
| 2022 | 11°C (52°F) | -2°C (29°F) | 9 mm |
| 2021 | 15°C (59°F) | 5°C (41°F) | 0 mm |
| 2020 | 11°C (51°F) | -4°C (25°F) | 0 mm |
| 2019 | 17°C (63°F) | 4°C (39°F) | 27 mm |
| 2018 | 7°C (45°F) | 0°C (32°F) | 0 mm |
| 2017 | 10°C (50°F) | -3°C (27°F) | 0 mm |
| 2016 | 15°C (59°F) | 5°C (41°F) | 8 mm |
| 2015 | 16°C (61°F) | 3°C (38°F) | 0 mm |
| 2014 | 11°C (52°F) | 0°C (32°F) | -- |
| 2013 | 19°C (67°F) | 3°C (38°F) | 27 mm |
| 2012 | 12°C (53°F) | -3°C (27°F) | 0 mm |
| 2011 | 7°C (45°F) | 1°C (34°F) | 0 mm |
| 2010 | 14°C (58°F) | 1°C (33°F) | 0 mm |
| 2009 | 12°C (53°F) | 4°C (40°F) | 0 mm |
| 2008 | 25°C (77°F) | 4°C (40°F) | 0 mm |
| 2007 | 14°C (58°F) | 4°C (40°F) | 2 mm |
| 2006 | 21°C (69°F) | 5°C (41°F) | 0 mm |
| 2005 | 19°C (67°F) | 3°C (37°F) | 0 mm |
| 2004 | 18°C (65°F) | 1°C (33°F) | 0 mm |
| 2003 | 11°C (52°F) | -3°C (27°F) | 0 mm |
| 2002 | 27°C (80°F) | 16°C (60°F) | 1 mm |
| 2001 | 6°C (43°F) | -2°C (29°F) | 0 mm |
| 2000 | 8°C (47°F) | 1°C (33°F) | 0 mm |
| 1999 | 16°C (61°F) | 4°C (40°F) | 0 mm |
| 1998 | 16°C (61°F) | 5°C (41°F) | 0 mm |
| 1997 | 5°C (41°F) | 1°C (34°F) | 25 mm |
| 1996 | 13°C (56°F) | -1°C (31°F) | 0 mm |
| 1995 | 13°C (55°F) | -1°C (30°F) | 5 mm |
| 1994 | 13°C (55°F) | -2°C (28°F) | 1 mm |
| 1993 | 11°C (51°F) | 1°C (33°F) | 2 mm |
| 1992 | 11°C (51°F) | -2°C (29°F) | 0 mm |
| 1991 | 8°C (47°F) | 3°C (38°F) | 0 mm |
| 1990 | 7°C (44°F) | -4°C (25°F) | 0 mm |
| 1989 | 7°C (44°F) | -4°C (25°F) | 0 mm |
| 1988 | 8°C (46°F) | 4°C (39°F) | 0 mm |
| 1987 | 24°C (75°F) | 12°C (53°F) | 0 mm |
| 1986 | 18°C (65°F) | 4°C (40°F) | 0 mm |
| 1985 | 4°C (39°F) | -2°C (28°F) | 39 mm |
| 1984 | 8°C (46°F) | 5°C (41°F) | 2 mm |
| 1983 | -1°C (31°F) | -6°C (21°F) | 2 mm |
| 1982 | 9°C (48°F) | -2°C (29°F) | 0 mm |
| 1981 | 14°C (57°F) | 7°C (45°F) | 1 mm |
| 1980 | 13°C (55°F) | 3°C (38°F) | 0 mm |
| 1979 | 11°C (52°F) | 2°C (35°F) | 0 mm |
| 1978 | 12°C (53°F) | -1°C (30°F) | 0 mm |
| 1977 | 21°C (70°F) | 2°C (35°F) | 0 mm |
| 1976 | 30°C (86°F) | 9°C (49°F) | 0 mm |
| 1975 | 16°C (60°F) | 1°C (34°F) | 15 mm |
| 1974 | 8°C (46°F) | 3°C (38°F) | 0 mm |
| 1973 | 21°C (69°F) | 1°C (34°F) | 0 mm |
| 1972 | 6°C (42°F) | 1°C (33°F) | 10 mm |
| 1971 | 15°C (59°F) | -2°C (28°F) | 0 mm |