Weather on May 31 in Calgary
Historical weather data for May 31 in Calgary, Canada
Based on 54 years of data from CALGARY GLENMORE DAM
About This Date
May 31st in Calgary, Canada typically brings mild spring weather, with average highs around 19°C and lows near 6°C. Over 54 years of records, the warmest May 31st was in 2025 (22°C average), while the coldest was 1971 (6°C) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 30% of May 31st dates historically, with the wettest May 31st recording 3.84" of rain. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
Planning for May 31st in Calgary? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 31°C (87°F) | 13°C (56°F) | -- |
| 2023 | 24°C (76°F) | 10°C (50°F) | 0" |
| 2022 | 17°C (63°F) | 1°C (34°F) | 0" |
| 2021 | 24°C (75°F) | 8°C (46°F) | 0" |
| 2020 | 19°C (67°F) | 9°C (49°F) | 3.84" |
| 2019 | 22°C (71°F) | 10°C (50°F) | 0" |
| 2018 | 8°C (47°F) | 6°C (42°F) | 0.94" |
| 2017 | 28°C (83°F) | 9°C (49°F) | 0" |
| 2016 | 18°C (64°F) | 4°C (39°F) | 0.02" |
| 2015 | 26°C (78°F) | 8°C (46°F) | 0" |
| 2014 | 20°C (68°F) | 7°C (45°F) | 0.13" |
| 2013 | 16°C (60°F) | 9°C (48°F) | 0.34" |
| 2012 | 21°C (69°F) | 7°C (44°F) | 0" |
| 2011 | 17°C (63°F) | 4°C (40°F) | 0" |
| 2010 | 9°C (49°F) | 3°C (37°F) | 0" |
| 2009 | 22°C (71°F) | 8°C (46°F) | 0" |
| 2008 | 21°C (69°F) | 6°C (43°F) | 0" |
| 2007 | 24°C (75°F) | 6°C (43°F) | 0" |
| 2006 | 23°C (73°F) | 4°C (40°F) | 0" |
| 2005 | 24°C (76°F) | 5°C (41°F) | 0" |
| 2004 | 18°C (65°F) | 8°C (46°F) | 0" |
| 2003 | 18°C (65°F) | 10°C (50°F) | 0.04" |
| 2002 | 19°C (66°F) | 8°C (46°F) | 0" |
| 2001 | 22°C (71°F) | 9°C (49°F) | 0" |
| 2000 | 11°C (52°F) | -- | -- |
| 1999 | 17°C (62°F) | 4°C (40°F) | 0.24" |
| 1998 | 24°C (76°F) | 6°C (42°F) | 0.18" |
| 1997 | 26°C (78°F) | 11°C (52°F) | 0.46" |
| 1996 | 16°C (60°F) | 2°C (36°F) | 0.06" |
| 1995 | 22°C (72°F) | 8°C (47°F) | 0" |
| 1994 | 21°C (70°F) | 0°C (32°F) | 0" |
| 1993 | 20°C (68°F) | 8°C (46°F) | 0" |
| 1992 | 22°C (72°F) | 4°C (39°F) | 0" |
| 1991 | 23°C (74°F) | 5°C (41°F) | 0" |
| 1990 | 20°C (68°F) | 5°C (41°F) | 0.1" |
| 1989 | 22°C (71°F) | 4°C (39°F) | 0" |
| 1988 | 18°C (64°F) | 6°C (42°F) | 0" |
| 1987 | 18°C (64°F) | 4°C (39°F) | 0.02" |
| 1986 | 28°C (83°F) | 14°C (58°F) | 0" |
| 1985 | 18°C (64°F) | 6°C (42°F) | 0.11" |
| 1984 | -- | 3°C (38°F) | 0" |
| 1983 | 21°C (69°F) | 3°C (37°F) | 0.12" |
| 1982 | 19°C (67°F) | 1°C (33°F) | 0" |
| 1981 | 16°C (60°F) | 7°C (45°F) | 3.58" |
| 1980 | 18°C (64°F) | 1°C (33°F) | 0" |
| 1979 | 18°C (64°F) | 2°C (36°F) | 0" |
| 1978 | 13°C (56°F) | 5°C (41°F) | 0" |
| 1977 | 22°C (71°F) | 6°C (42°F) | 0" |
| 1976 | 16°C (60°F) | 2°C (35°F) | 0" |
| 1975 | 19°C (66°F) | 8°C (47°F) | 0" |
| 1974 | 14°C (58°F) | 2°C (35°F) | 0" |
| 1973 | 11°C (52°F) | 6°C (43°F) | 0.84" |
| 1972 | -- | 10°C (50°F) | 0" |
| 1971 | 8°C (47°F) | 4°C (40°F) | 0" |