Weather on May 16 in Ottawa
Historical weather data for May 16 in Ottawa, Canada
Based on 55 years of data from OTTAWA CDA
About This Date
May 16th in Ottawa, Canada typically brings mild spring weather, with average highs around 19°C and lows near 8°C. Over 55 years of records, the warmest May 16th was in 1998 (22°C average), while the coldest was 1983 (6°C) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 49% of May 16th dates historically, with the wettest May 16th recording 2.76" of rain. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for May 16th in Ottawa? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 21°C (70°F) | 8°C (46°F) | -- |
| 2025 | 27°C (81°F) | 13°C (55°F) | -- |
| 2023 | 18°C (65°F) | 3°C (37°F) | 1 mm |
| 2022 | 23°C (73°F) | 14°C (57°F) | 70 mm |
| 2021 | 23°C (74°F) | 9°C (48°F) | 0 mm |
| 2020 | 17°C (62°F) | 11°C (51°F) | 0 mm |
| 2019 | 12°C (54°F) | 3°C (38°F) | 6 mm |
| 2018 | 23°C (74°F) | 6°C (42°F) | 0 mm |
| 2017 | 21°C (69°F) | 8°C (47°F) | 0 mm |
| 2016 | 13°C (55°F) | 3°C (38°F) | 0 mm |
| 2015 | 21°C (70°F) | 13°C (55°F) | 0 mm |
| 2014 | 17°C (62°F) | 12°C (53°F) | 45 mm |
| 2013 | 18°C (64°F) | 7°C (44°F) | 0 mm |
| 2012 | 21°C (69°F) | 11°C (52°F) | 3 mm |
| 2011 | 9°C (49°F) | 7°C (44°F) | 10 mm |
| 2010 | 22°C (72°F) | 6°C (42°F) | 0 mm |
| 2009 | 20°C (68°F) | 9°C (49°F) | 23 mm |
| 2008 | 19°C (66°F) | 4°C (40°F) | 0 mm |
| 2007 | 11°C (51°F) | 6°C (43°F) | 25 mm |
| 2006 | 19°C (67°F) | 12°C (53°F) | 18 mm |
| 2005 | 14°C (57°F) | 5°C (41°F) | 1 mm |
| 2004 | 18°C (64°F) | 7°C (44°F) | 0 mm |
| 2003 | 19°C (67°F) | 11°C (52°F) | 0 mm |
| 2002 | 17°C (63°F) | 6°C (42°F) | 25 mm |
| 2001 | 20°C (68°F) | 11°C (51°F) | 0 mm |
| 2000 | 16°C (61°F) | 3°C (37°F) | 0 mm |
| 1999 | 26°C (78°F) | 9°C (48°F) | 0 mm |
| 1998 | 31°C (88°F) | 13°C (55°F) | 6 mm |
| 1997 | 12°C (54°F) | 4°C (39°F) | 0 mm |
| 1996 | 14°C (57°F) | 7°C (45°F) | 0 mm |
| 1995 | 18°C (64°F) | 5°C (41°F) | 0 mm |
| 1994 | 13°C (55°F) | 10°C (50°F) | 12 mm |
| 1993 | 15°C (59°F) | 7°C (45°F) | 0 mm |
| 1992 | 23°C (74°F) | 9°C (49°F) | 0 mm |
| 1991 | 30°C (86°F) | 12°C (54°F) | 43 mm |
| 1990 | 18°C (64°F) | 9°C (49°F) | 4 mm |
| 1989 | 25°C (77°F) | 9°C (48°F) | 0 mm |
| 1988 | 18°C (65°F) | 13°C (55°F) | 6 mm |
| 1987 | 16°C (60°F) | 1°C (34°F) | 4 mm |
| 1986 | 21°C (69°F) | 16°C (60°F) | 65 mm |
| 1985 | 22°C (72°F) | 14°C (58°F) | 1 mm |
| 1984 | 12°C (53°F) | 3°C (38°F) | 0 mm |
| 1983 | 10°C (50°F) | 2°C (35°F) | 0 mm |
| 1982 | 24°C (76°F) | 13°C (55°F) | 0 mm |
| 1981 | 12°C (53°F) | 8°C (46°F) | 6 mm |
| 1980 | 23°C (73°F) | 8°C (46°F) | 0 mm |
| 1979 | 13°C (56°F) | 6°C (42°F) | 2 mm |
| 1978 | 22°C (71°F) | 11°C (52°F) | 1 mm |
| 1977 | 29°C (84°F) | 8°C (46°F) | 0 mm |
| 1976 | 23°C (74°F) | 10°C (50°F) | 2 mm |
| 1975 | 22°C (72°F) | 13°C (56°F) | 0 mm |
| 1974 | 15°C (59°F) | 6°C (42°F) | 3 mm |
| 1973 | 17°C (63°F) | 1°C (34°F) | 5 mm |
| 1972 | 17°C (62°F) | 14°C (57°F) | 21 mm |
| 1971 | 23°C (73°F) | 13°C (56°F) | 5 mm |