Weather on June 21 in Calgary
Historical weather data for June 21 in Calgary, Canada
Based on 53 years of data from CALGARY GLENMORE DAM
About This Date
June 21st in Calgary, Canada typically brings pleasant summer weather, with average highs around 21°C and lows near 8°C. Over 53 years of records, the warmest June 21st was in 1982 (21°C average), while the coldest was 2019 (9°C) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 42% of June 21st dates historically, with the wettest June 21st recording 5.38" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for June 21st in Calgary? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 12°C (53°F) | 6°C (43°F) | -- |
| 2023 | 17°C (63°F) | 5°C (41°F) | 0.38" |
| 2022 | 23°C (73°F) | 8°C (46°F) | 0" |
| 2021 | 28°C (82°F) | 8°C (47°F) | 0" |
| 2020 | 23°C (73°F) | 10°C (50°F) | 2.73" |
| 2019 | 12°C (54°F) | 6°C (42°F) | 5.38" |
| 2018 | 27°C (80°F) | 12°C (53°F) | 0" |
| 2017 | 20°C (68°F) | 6°C (43°F) | 0.02" |
| 2016 | 22°C (72°F) | 9°C (49°F) | 0.08" |
| 2015 | 18°C (64°F) | 8°C (46°F) | 0.62" |
| 2014 | 18°C (65°F) | 10°C (50°F) | 0.3" |
| 2013 | 16°C (60°F) | 9°C (49°F) | 2.3" |
| 2012 | 22°C (71°F) | 6°C (42°F) | 0" |
| 2011 | 23°C (73°F) | 6°C (43°F) | 0" |
| 2010 | 22°C (72°F) | 8°C (46°F) | 0" |
| 2009 | 16°C (61°F) | 11°C (51°F) | 0" |
| 2008 | 27°C (80°F) | 9°C (48°F) | 0" |
| 2007 | 28°C (83°F) | 11°C (51°F) | 0" |
| 2006 | 19°C (66°F) | 9°C (48°F) | 1.92" |
| 2005 | 27°C (81°F) | 9°C (49°F) | 0" |
| 2004 | 24°C (75°F) | 6°C (42°F) | 0.26" |
| 2003 | 15°C (59°F) | 6°C (42°F) | 1.32" |
| 2002 | 26°C (78°F) | 6°C (42°F) | 0" |
| 2001 | 27°C (81°F) | 9°C (48°F) | -- |
| 2000 | 23°C (74°F) | 7°C (45°F) | 0" |
| 1999 | 21°C (70°F) | -- | -- |
| 1998 | 21°C (70°F) | 6°C (43°F) | 0" |
| 1997 | 16°C (61°F) | 8°C (46°F) | 0.9" |
| 1996 | 13°C (56°F) | 7°C (44°F) | 0" |
| 1995 | 18°C (64°F) | 8°C (47°F) | 0.18" |
| 1994 | 24°C (76°F) | 6°C (42°F) | 0" |
| 1992 | 27°C (80°F) | 14°C (57°F) | 0.02" |
| 1991 | 16°C (60°F) | 8°C (46°F) | 3" |
| 1990 | 23°C (73°F) | 5°C (41°F) | 0" |
| 1989 | 18°C (65°F) | 8°C (46°F) | 0.24" |
| 1988 | 23°C (73°F) | 10°C (50°F) | 0" |
| 1987 | 23°C (74°F) | 10°C (50°F) | 0" |
| 1986 | 23°C (73°F) | 6°C (42°F) | 0" |
| 1985 | 22°C (72°F) | 5°C (41°F) | 0" |
| 1984 | 13°C (56°F) | 7°C (45°F) | 0.68" |
| 1983 | 18°C (64°F) | 7°C (45°F) | 0.14" |
| 1982 | 29°C (84°F) | 12°C (54°F) | 0" |
| 1981 | 18°C (65°F) | 4°C (39°F) | 0.08" |
| 1980 | 25°C (77°F) | 11°C (52°F) | 0" |
| 1979 | 18°C (64°F) | 6°C (42°F) | 0" |
| 1978 | 23°C (73°F) | 8°C (46°F) | 0" |
| 1977 | 26°C (78°F) | 12°C (54°F) | 0" |
| 1976 | 13°C (56°F) | 9°C (48°F) | 0.76" |
| 1975 | 22°C (71°F) | 7°C (45°F) | 0.08" |
| 1974 | 25°C (77°F) | 11°C (52°F) | 0" |
| 1973 | 26°C (78°F) | 9°C (49°F) | 0" |
| 1972 | 16°C (60°F) | 7°C (44°F) | 0.08" |
| 1971 | 23°C (74°F) | 8°C (47°F) | 0" |