Weather on April 30 in Ottawa
Historical weather data for April 30 in Ottawa, Canada
Based on 54 years of data from OTTAWA CDA
About This Date
April 30th in Ottawa, Canada typically brings mild spring weather, with average highs around 16°C and lows near 4°C. Over 54 years of records, the warmest April 30th was in 2004 (19°C average), while the coldest was 1978 (-1°C) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 44% of April 30th dates historically, with the wettest April 30th recording 4.1" of rain. The last decade has been 4.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.7°F cooler on this date compared to 20-30 years ago.
Planning for April 30th in Ottawa? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 19°C (67°F) | 0°C (32°F) | -- |
| 2023 | 13°C (55°F) | 7°C (45°F) | 4.1" |
| 2022 | 16°C (61°F) | 0°C (32°F) | 0" |
| 2021 | 12°C (53°F) | 2°C (35°F) | 1.6" |
| 2020 | 13°C (56°F) | 9°C (49°F) | 2.5" |
| 2019 | 14°C (57°F) | 5°C (41°F) | 0" |
| 2018 | 17°C (63°F) | 4°C (39°F) | 0" |
| 2017 | 4°C (40°F) | 3°C (37°F) | 1.02" |
| 2016 | 17°C (62°F) | 0°C (32°F) | 0" |
| 2015 | 18°C (64°F) | 6°C (43°F) | 0" |
| 2014 | 8°C (46°F) | 5°C (41°F) | 1.8" |
| 2013 | 20°C (68°F) | 11°C (52°F) | 0" |
| 2012 | 13°C (56°F) | -2°C (28°F) | 0.27" |
| 2011 | 19°C (66°F) | 2°C (36°F) | 0" |
| 2010 | 17°C (63°F) | 4°C (40°F) | 0" |
| 2009 | 22°C (71°F) | 2°C (35°F) | 1.31" |
| 2008 | 10°C (50°F) | 0°C (32°F) | 0" |
| 2007 | 13°C (56°F) | 6°C (42°F) | 0.23" |
| 2006 | 22°C (71°F) | 2°C (35°F) | 0" |
| 2005 | 8°C (46°F) | 0°C (32°F) | 0.67" |
| 2004 | 26°C (79°F) | 13°C (55°F) | 0.12" |
| 2003 | 16°C (60°F) | 2°C (35°F) | -- |
| 2002 | 8°C (47°F) | -1°C (31°F) | 0.66" |
| 2001 | 25°C (77°F) | 5°C (41°F) | 0.02" |
| 2000 | 14°C (58°F) | 3°C (37°F) | 0" |
| 1999 | 21°C (70°F) | 6°C (42°F) | 0" |
| 1998 | 24°C (75°F) | 4°C (40°F) | 0" |
| 1997 | 22°C (71°F) | 8°C (47°F) | 0.24" |
| 1996 | 15°C (59°F) | 7°C (44°F) | 0.74" |
| 1995 | 13°C (55°F) | 4°C (40°F) | 0" |
| 1994 | 12°C (53°F) | 5°C (41°F) | 0.62" |
| 1993 | 18°C (65°F) | 11°C (52°F) | 0.11" |
| 1992 | 12°C (53°F) | 7°C (45°F) | 0.02" |
| 1991 | 20°C (68°F) | 9°C (49°F) | 0" |
| 1990 | 24°C (75°F) | 14°C (57°F) | 0" |
| 1989 | 18°C (65°F) | 7°C (45°F) | 0" |
| 1988 | 10°C (50°F) | 5°C (41°F) | 0.02" |
| 1987 | 8°C (47°F) | 2°C (35°F) | 0.02" |
| 1986 | 22°C (71°F) | 7°C (44°F) | 0.06" |
| 1985 | 26°C (79°F) | 6°C (42°F) | 0" |
| 1984 | 22°C (71°F) | 8°C (47°F) | 0.3" |
| 1983 | 18°C (64°F) | 7°C (44°F) | 0.46" |
| 1982 | 23°C (73°F) | 3°C (37°F) | 0" |
| 1981 | 13°C (55°F) | 4°C (40°F) | 0" |
| 1980 | 15°C (59°F) | 10°C (50°F) | 0" |
| 1979 | 15°C (59°F) | 3°C (37°F) | 0.12" |
| 1978 | 3°C (38°F) | -5°C (23°F) | 0" |
| 1977 | 20°C (68°F) | 4°C (39°F) | 0" |
| 1976 | 17°C (62°F) | 3°C (37°F) | 0" |
| 1975 | 18°C (64°F) | 4°C (40°F) | 0" |
| 1974 | 17°C (63°F) | 5°C (41°F) | 0.56" |
| 1973 | 13°C (56°F) | 2°C (35°F) | 0" |
| 1972 | 21°C (70°F) | 1°C (33°F) | 0" |
| 1971 | 14°C (58°F) | 3°C (38°F) | 0" |