Weather on May 15 in Calgary
Historical weather data for May 15 in Calgary, Canada
Based on 55 years of data from CALGARY GLENMORE DAM
About This Date
May 15th in Calgary, Canada typically brings mild spring weather, with average highs around 17°C and lows near 4°C. Over 55 years of records, the warmest May 15th was in 2008 (19°C average), while the coldest was 1986 (2°C) — a 31°F range across recorded history. Precipitation has occurred on 36% of recorded May 15th dates, with snow falling 4% of the time (heaviest snowfall: 2.8"). The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.8°F warmer on this date compared to 20-30 years ago.
Planning for May 15th in Calgary? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2026 | 17°C (62°F) | 4°C (40°F) | -- |
| 2025 | 16°C (61°F) | 4°C (39°F) | -- |
| 2023 | 27°C (81°F) | 9°C (49°F) | 0 mm |
| 2022 | 18°C (65°F) | 1°C (34°F) | 0 mm |
| 2021 | 22°C (72°F) | 3°C (37°F) | 0 mm |
| 2020 | 18°C (64°F) | 1°C (34°F) | 0 mm |
| 2019 | 18°C (64°F) | 8°C (47°F) | 1 mm |
| 2018 | 28°C (83°F) | 11°C (51°F) | 0 mm |
| 2017 | 15°C (59°F) | 0°C (32°F) | 1 mm |
| 2016 | 18°C (64°F) | 1°C (33°F) | 0 mm |
| 2015 | 13°C (55°F) | 7°C (44°F) | 3 mm |
| 2014 | 16°C (61°F) | 4°C (39°F) | 2 mm |
| 2013 | 26°C (78°F) | 6°C (43°F) | 0 mm |
| 2012 | 27°C (80°F) | 7°C (45°F) | 0 mm |
| 2011 | 16°C (61°F) | 2°C (36°F) | 0 mm |
| 2010 | 21°C (70°F) | 7°C (44°F) | 0 mm |
| 2009 | 12°C (54°F) | -1°C (31°F) | 4 mm |
| 2008 | 27°C (80°F) | 12°C (54°F) | 0 mm |
| 2007 | 20°C (68°F) | 1°C (34°F) | 0 mm |
| 2006 | 26°C (79°F) | 2°C (36°F) | 0 mm |
| 2005 | 23°C (74°F) | 11°C (52°F) | 0 mm |
| 2004 | 13°C (55°F) | 1°C (33°F) | 0 mm |
| 2003 | 13°C (56°F) | 1°C (34°F) | 5 mm |
| 2002 | 9°C (48°F) | 1°C (33°F) | 5 mm |
| 2001 | 20°C (68°F) | 7°C (45°F) | 0 mm |
| 2000 | 18°C (65°F) | 4°C (39°F) | 0 mm |
| 1999 | 10°C (50°F) | 1°C (34°F) | 2 mm |
| 1998 | 12°C (54°F) | 6°C (42°F) | 23 mm |
| 1997 | 27°C (81°F) | 10°C (50°F) | 0 mm |
| 1996 | 16°C (61°F) | 5°C (41°F) | 0 mm |
| 1995 | 14°C (58°F) | 4°C (39°F) | 2 mm |
| 1994 | 11°C (52°F) | 7°C (45°F) | 31 mm |
| 1993 | 13°C (56°F) | 8°C (47°F) | 0 mm |
| 1992 | 7°C (45°F) | -1°C (30°F) | 16 mm |
| 1991 | 17°C (62°F) | 6°C (42°F) | 0 mm |
| 1990 | 11°C (52°F) | 1°C (34°F) | 1 mm |
| 1989 | 20°C (68°F) | 2°C (36°F) | 0 mm |
| 1988 | 21°C (69°F) | 3°C (38°F) | 0 mm |
| 1987 | 21°C (70°F) | 5°C (41°F) | 0 mm |
| 1986 | 5°C (41°F) | -1°C (31°F) | 0 mm |
| 1985 | 18°C (64°F) | 4°C (40°F) | 0 mm |
| 1984 | 13°C (55°F) | 8°C (46°F) | 33 mm |
| 1983 | 11°C (52°F) | 4°C (39°F) | 2 mm |
| 1982 | 21°C (69°F) | 4°C (40°F) | 15 mm |
| 1981 | 5°C (41°F) | 3°C (37°F) | 62 mm |
| 1980 | 21°C (69°F) | 2°C (35°F) | 0 mm |
| 1979 | 22°C (72°F) | 3°C (38°F) | 1 mm |
| 1978 | 17°C (62°F) | 5°C (41°F) | 0 mm |
| 1977 | 6°C (43°F) | 4°C (39°F) | 28 mm |
| 1976 | 17°C (62°F) | 2°C (36°F) | 0 mm |
| 1975 | 22°C (71°F) | 7°C (45°F) | 0 mm |
| 1974 | 10°C (50°F) | 1°C (33°F) | 59 mm |
| 1973 | 26°C (79°F) | 9°C (48°F) | 0 mm |
| 1972 | 21°C (70°F) | 4°C (39°F) | 0 mm |
| 1971 | 16°C (61°F) | -2°C (29°F) | 0 mm |