Calgary, Alberta, Canada weather records
Record high and low temperatures for Calgary, Alberta, Canada, by month, by season, and all-time, with the dates they occurred, across 1981–2026 of daily climate history. Its hottest day on record reached 35°C on 2002-07-13; its coldest fell to -39°C on 2024-01-12.
Records by month
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.
| Month | Daytime high | Overnight low |
|---|---|---|
| January | 10°C2024-01-31
-30°C2024-01-12
|
2°C2005-01-23
-39°C2024-01-12
|
| February | 18°C1992-02-27
-33°C1989-02-01
|
3°C1986-02-25
-37°C1989-02-02
|
| March | 22°C2004-03-30
-23°C2014-03-01
|
4°C2015-03-27
-30°C2014-03-01
|
| April | 26°C1987-04-28
-9°C1982-04-03
|
10°C1987-04-29
-16°C2002-04-02
|
| May | 33°C1986-05-30
-2°C2002-05-06
|
15°C1986-05-30
-9°C2002-05-08
|
| June | 35°C2021-06-29
5°C2009-06-06
|
17°C2021-06-29
-3°C2009-06-07
|
| July | 35°C2002-07-13
6°C1999-07-15
|
17°C2024-07-09
-1°C1999-07-16
|
| August | 35°C2018-08-10
2°C1992-08-22
|
17°C2021-08-01
-3°C1992-08-24
|
| September | 33°C1988-09-05
-3°C2019-09-28
|
15°C2022-09-04
-11°C2014-09-11
|
| October | 25°C1992-10-01
-13°C1984-10-31
|
10°C1992-10-01
-22°C1984-10-31
|
| November | 16°C2016-11-08
-26°C1985-11-26
|
5°C2016-11-08
-31°C1985-11-27
|
| December | 10°C2002-12-01
-31°C1992-12-29
|
1°C2021-12-01
-36°C1992-12-29
|
Records by season
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).
| Season | Daytime high | Overnight low |
|---|---|---|
| Winter (Dec–Feb) | 18°C1992-02-27
-33°C1989-02-01
|
3°C1986-02-25
-39°C2024-01-12
|
| Spring (Mar–May) | 33°C1986-05-30
-23°C2014-03-01
|
15°C1986-05-30
-30°C2014-03-01
|
| Summer (Jun–Aug) | 35°C2002-07-13
2°C1992-08-22
|
17°C2021-06-29
-3°C1992-08-24
|
| Autumn (Sep–Nov) | 33°C1988-09-05
-26°C1985-11-26
|
15°C2022-09-04
-31°C1985-11-27
|
All-time records
The most extreme value Calgary has recorded for each metric across its entire history.
High
Low
Feels-like
Humidity
Wind
Precip
For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.