| Month | Average (°C) | Record (°C) | Average (cm) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | -1.1 | -12.9 | 17.6 | -44.4 | 1.1 | 17.0 |
| February | -0.1 | -11.9 | 22.6 | -45.0 | 1.3 | 17.6 |
| March | 3.9 | -7.9 | 25.4 | -37.2 | 1.7 | 23.1 |
| April | 10.8 | -2.0 | 29.4 | -30.0 | 3.0 | 21.7 |
| May | 16.2 | 3.3 | 32.4 | -16.7 | 5.8 | 9.7 |
| June | 19.7 | 7.7 | 36.3 | -3.3 | 10.5 | 0.1 |
| July | 23.5 | 10.3 | 36.3 | -0.6 | 6.7 | 0.0 |
| August | 23.1 | 9.2 | 36.5 | -3.2 | 5.6 | 0.0 |
| September | 18.1 | 4.7 | 33.3 | -13.3 | 3.8 | 2.9 |
| October | 11.2 | -1.3 | 29.4 | -25.7 | 1.8 | 12.1 |
| November | 3.8 | -7.6 | 23.1 | -35.0 | 1.7 | 19.5 |
| December | -0.4 | -12.0 | 19.5 | -42.8 | 1.4 | 18.2 |
| Entire year | 10.8 | -1.6 | 36.5 | -45.0 | 44.1 | 144.4 |
|
More Calgary Weather Records
1881–2024
|
||
|---|---|---|
| Highest daily low | 25.6 °C | August 12, 1906 |
| Lowest daily high | -38.9 °C | January 31, 1893 |
| Greatest daily range (Difference of high and low) |
38.8 °C | January 30, 1989 |
| Greatest difference in daily high over two conscutive days |
38.4 °C | Jan 30–31, 1989 |
| Most daily precipitation | 9.5 cm | July 15, 1927 |
| Most monthly precipitation | 24.8 cm | June 2005 |
| Most yearly precipitation | 87.8 cm | 1902 |
| Most yearly days with precipitation | 147 | 1951 |
| Earliest snow in season | August 15 | 1946 |
| Latest snow in season | June 26 | 1951 |
| Most daily snow | 48.4 cm | May 6, 1981 |
| Most monthly snow | 82.0 cm | September 1925 |
| Most yearly snow | 270.3 cm | 1951 |
| Most snow in a winter | 246.0 cm | 1947–1948 |
| Greatest snow accumulation | 38.0 cm | March 18, 1998 |
| Earliest freeze | August 23 | 1992 |
| Earliest day ≥ 20 °C | February 27 | 1992 |
| Earliest day ≥ 25 °C | March 30 | 2004 |
| Earliest day ≥ 30 °C | May 14 | 1936 |
| Latest freeze | July 5 | 1884 |
| Latest day ≥ 20 °C | November 30 | 1918 |
| Latest day ≥ 25 °C | October 29 | 1887 |
| Latest day ≥ 30 °C | September 30 | 1920 |
| Most days in a year < 0 °C | 219 | 1892 |
| Most days in a year ≥ 20 °C | 134 | 1918 |
| Most days in a year ≥ 25 °C | 73 | 1922 |
| Most days in a year ≥ 30 °C | 23 | 1936 |
| Most days in a year ≥ 35 °C | 3 | 2021 |
|
Calgary Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 19 days | Jun 19 – Jul 7, 1969 |
| Without precipitation | 71 days | Aug 31 – Nov 9, 1885 |
| With snow | 12 days | Mar 26 – Apr 6, 1926 |
| Freezing temperatures High temperature ≤ 0 °C |
52 days | Dec 16, 1949 – Feb 5, 1950 |
| High temperature ≥ 20 °C | 57 days | Jun 19 – Aug 14, 1936 |
| High temperature ≥ 25 °C | 24 days | Jul 5–28, 1917 |
| High temperature ≥ 30 °C | 8 days | Jul 15–22, 1917 |
| High temperature ≥ 35 °C | 3 days | Jun 29 – Jul 1, 2021 |