Weather on June 18 in Calgary
Historical weather data for June 18 in Calgary, Canada
Based on 55 years of data from CALGARY GLENMORE DAM
About This Date
June 18th in Calgary, Canada typically brings mild summer weather, with average highs around 19°C and lows near 7°C. Over 55 years of records, the warmest June 18th was in 2003 (21°C average), while the coldest was 1978 (7°C) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 55% of June 18th dates historically, with the wettest June 18th recording 3.04" of rain. The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
Planning for June 18th 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) | 8°C (46°F) | -- |
| 2025 | 21°C (70°F) | 8°C (46°F) | -- |
| 2023 | 13°C (55°F) | 8°C (47°F) | 3 mm |
| 2022 | 20°C (68°F) | 12°C (54°F) | 17 mm |
| 2021 | 24°C (76°F) | 6°C (43°F) | 0 mm |
| 2020 | 16°C (61°F) | 8°C (47°F) | 1 mm |
| 2019 | 21°C (70°F) | 10°C (50°F) | 0 mm |
| 2018 | 22°C (71°F) | 7°C (44°F) | 0 mm |
| 2017 | 22°C (71°F) | 8°C (47°F) | 0 mm |
| 2016 | 21°C (69°F) | 4°C (40°F) | 0 mm |
| 2015 | 21°C (69°F) | 9°C (49°F) | 1 mm |
| 2014 | 13°C (55°F) | 9°C (49°F) | 37 mm |
| 2013 | 19°C (67°F) | 11°C (52°F) | 16 mm |
| 2012 | 14°C (58°F) | 8°C (46°F) | 5 mm |
| 2011 | 13°C (56°F) | 8°C (46°F) | 25 mm |
| 2010 | 18°C (64°F) | 9°C (49°F) | 0 mm |
| 2009 | 21°C (69°F) | 8°C (47°F) | 5 mm |
| 2008 | 22°C (71°F) | 9°C (48°F) | 0 mm |
| 2007 | 18°C (65°F) | 3°C (38°F) | 9 mm |
| 2006 | 21°C (69°F) | 7°C (44°F) | 3 mm |
| 2005 | 12°C (54°F) | 6°C (43°F) | 66 mm |
| 2004 | 18°C (64°F) | 2°C (35°F) | 0 mm |
| 2003 | 29°C (85°F) | 11°C (52°F) | 41 mm |
| 2002 | 9°C (49°F) | 8°C (46°F) | 2 mm |
| 2001 | 17°C (63°F) | 6°C (42°F) | 2 mm |
| 2000 | 21°C (69°F) | 7°C (44°F) | 8 mm |
| 1999 | 27°C (80°F) | -- | -- |
| 1998 | 16°C (61°F) | 8°C (47°F) | 48 mm |
| 1997 | 21°C (69°F) | 9°C (49°F) | 1 mm |
| 1996 | 13°C (55°F) | 3°C (38°F) | 77 mm |
| 1995 | 16°C (61°F) | 9°C (48°F) | 3 mm |
| 1994 | 21°C (69°F) | 3°C (37°F) | 0 mm |
| 1993 | 26°C (78°F) | 10°C (50°F) | 0 mm |
| 1992 | 21°C (69°F) | 9°C (48°F) | 0 mm |
| 1991 | 18°C (65°F) | 6°C (42°F) | 17 mm |
| 1990 | 22°C (72°F) | 8°C (46°F) | 1 mm |
| 1989 | 22°C (71°F) | 6°C (43°F) | 0 mm |
| 1988 | 24°C (76°F) | 15°C (59°F) | 0 mm |
| 1987 | 24°C (75°F) | 8°C (46°F) | 0 mm |
| 1986 | 24°C (75°F) | 13°C (55°F) | 1 mm |
| 1985 | 27°C (80°F) | 6°C (43°F) | 0 mm |
| 1984 | 21°C (70°F) | 5°C (41°F) | 0 mm |
| 1983 | 16°C (60°F) | 10°C (50°F) | 13 mm |
| 1982 | 25°C (77°F) | 7°C (45°F) | 0 mm |
| 1981 | 15°C (59°F) | 3°C (37°F) | 0 mm |
| 1980 | 18°C (64°F) | 8°C (46°F) | 47 mm |
| 1979 | 21°C (69°F) | 8°C (46°F) | 18 mm |
| 1978 | 10°C (50°F) | 3°C (37°F) | 3 mm |
| 1977 | 25°C (77°F) | 8°C (47°F) | 0 mm |
| 1976 | 23°C (73°F) | 4°C (40°F) | 0 mm |
| 1975 | 17°C (62°F) | 3°C (38°F) | 2 mm |
| 1974 | 27°C (81°F) | 7°C (45°F) | 0 mm |
| 1973 | 17°C (63°F) | 7°C (45°F) | 10 mm |
| 1972 | 14°C (57°F) | 5°C (41°F) | 0 mm |
| 1971 | 17°C (62°F) | 7°C (44°F) | 1 mm |