Cooling and heating degree days - Cities and FUAs — Cooling degree in Calgary

Calgary: Cooling and heating degree days - Cities and FUAs — Cooling degree was -99.96 % change on previous year in 2025. ◆ Volatile

Latest (2025)
-99.96 % change on previous year
Change on year
down 1,524.6%
Rank
1245th
of 1306 regions
All-time high
343.07 % change on previous year
in 1994
All-time low
-99.96 % change on previous year
in 2025
Years of data
75
1951–2025

Cooling and heating degree days - Cities and FUAs — Cooling degree in Calgary, 1951–2025

-1000100200300195119882025

Source: Statizoid (derived). Measured in % change on previous year.

Analysis

Calgary recorded -99.96 % change on previous year for cooling and heating degree days - cities and fuas — cooling degree in 2025. That is the lowest value across all 75 years on record.

The figure is down 1,524.6% on the previous year and down 345.7% over ten years.

Over the whole period, cooling and heating degree days - cities and fuas — cooling degree in Calgary peaked at 343.07 % change on previous year in 1994 and was at its lowest, -99.96 % change on previous year, in 2025.

Calgary ranks 1245th of 1306 regions on this measure, in the bottom quarter.

The series is highly variable year to year, so single readings are best treated with caution.

Cooling and heating degree days - Cities and FUAs — Cooling degree in Calgary, year by year

Annual values for Cooling and heating degree days - Cities and FUAs — Cooling degree days, annual growth rate in Calgary, 1951 to 2025.
Year % change on previous year Change
1951 -21.06 % change on previous year —
1952 -18.72 % change on previous year -11.1%
1953 13.43 % change on previous year -171.8%
1954 -47.3 % change on previous year -452.1%
1955 176.32 % change on previous year -472.8%
1956 -24.09 % change on previous year -113.7%
1957 -16.03 % change on previous year -33.5%
1958 52.31 % change on previous year -426.4%
1959 -44.81 % change on previous year -185.7%
1960 29.56 % change on previous year -166.0%
1961 106.34 % change on previous year +259.7%
1962 -59.64 % change on previous year -156.1%
1963 13.43 % change on previous year -122.5%
1964 5.96 % change on previous year -55.7%
1965 -21.91 % change on previous year -467.9%
1966 -17.51 % change on previous year -20.1%
1967 117.34 % change on previous year -770.1%
1968 -59.59 % change on previous year -150.8%
1969 57.25 % change on previous year -196.1%
1970 48.47 % change on previous year -15.3%
1971 -1.05 % change on previous year -102.2%
1972 -43.75 % change on previous year +4066.0%
1973 46.78 % change on previous year -206.9%
1974 8.87 % change on previous year -81.0%
1975 -1.18 % change on previous year -113.3%
1976 -21.99 % change on previous year +1770.1%
1977 -12.23 % change on previous year -44.4%
1978 25.29 % change on previous year -306.7%
1979 48.28 % change on previous year +90.9%
1980 -46.8 % change on previous year -196.9%
1981 56.51 % change on previous year -220.7%
1982 -28.51 % change on previous year -150.4%
1983 75.62 % change on previous year -365.3%
1984 34.97 % change on previous year -53.8%
1985 -20.16 % change on previous year -157.7%
1986 -24.55 % change on previous year +21.8%
1987 10.44 % change on previous year -142.5%
1988 39.37 % change on previous year +277.1%
1989 -30.67 % change on previous year -177.9%
1990 5.46 % change on previous year -117.8%
1991 -22.39 % change on previous year -510.1%
1992 -20.5 % change on previous year -8.4%
1993 -58.64 % change on previous year +186.0%
1994 343.07 % change on previous year -685.1%
1995 -71.68 % change on previous year -120.9%
1996 184.16 % change on previous year -356.9%
1997 -30.57 % change on previous year -116.6%
1998 68.75 % change on previous year -324.9%
1999 -38.34 % change on previous year -155.8%
2000 28.45 % change on previous year -174.2%
2001 61.34 % change on previous year +115.6%
2002 -10.93 % change on previous year -117.8%
2003 23.12 % change on previous year -311.5%
2004 -73.5 % change on previous year -417.9%
2005 19.32 % change on previous year -126.3%
2006 113.11 % change on previous year +485.6%
2007 -0.6019 % change on previous year -100.5%
2008 -19.64 % change on previous year +3163.6%
2009 19.31 % change on previous year -198.3%
2010 -48.05 % change on previous year -348.8%
2011 52.97 % change on previous year -210.2%
2012 30.3 % change on previous year -42.8%
2013 -29.95 % change on previous year -198.9%
2014 13.98 % change on previous year -146.7%
2015 40.69 % change on previous year +191.0%
2016 -46.46 % change on previous year -214.2%
2017 191.07 % change on previous year -511.2%
2018 -8.88 % change on previous year -104.6%
2019 -62.19 % change on previous year +600.7%
2020 59.29 % change on previous year -195.3%
2021 114.48 % change on previous year +93.1%
2022 -29.63 % change on previous year -125.9%
2023 12.37 % change on previous year -141.7%
2024 -6.15 % change on previous year -149.8%
2025 -99.96 % change on previous year +1524.6%

Biggest year-on-year movements

Years where Cooling and heating degree days - Cities and FUAs — Cooling degree in Calgary changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.

YearChange FromTo
1972 -4066.0% -1.05 % change on previous year -43.75 % change on previous year
2008 -3163.6% -0.6019 % change on previous year -19.64 % change on previous year
1976 -1770.1% -1.18 % change on previous year -21.99 % change on previous year

Averages by decade

DecadeAverage LowestHighest Years
1950s 7.78 % change on previous year -47.3 % change on previous year 176.32 % change on previous year 9
1960s 17.12 % change on previous year -59.64 % change on previous year 117.34 % change on previous year 10
1970s 9.75 % change on previous year -43.75 % change on previous year 48.47 % change on previous year 10
1980s 6.62 % change on previous year -46.8 % change on previous year 75.62 % change on previous year 10
1990s 35.93 % change on previous year -71.68 % change on previous year 343.07 % change on previous year 10
2000s 16 % change on previous year -73.5 % change on previous year 113.11 % change on previous year 10
2010s 13.35 % change on previous year -62.19 % change on previous year 191.07 % change on previous year 10
2020s 8.4 % change on previous year -99.96 % change on previous year 114.48 % change on previous year 6

More reference data data for Calgary

All data for Calgary →

Frequently asked questions

What is cooling and heating degree days - cities and fuas — cooling degree in Calgary?
Cooling and heating degree days - cities and fuas — cooling degree in Calgary was -99.96 % change on previous year in 2025, according to Statizoid (derived).
What is the highest cooling and heating degree days - cities and fuas — cooling degree recorded in Calgary?
The highest recorded value was 343.07 % change on previous year in 1994.
What is the lowest cooling and heating degree days - cities and fuas — cooling degree recorded in Calgary?
The lowest recorded value was -99.96 % change on previous year in 2025.
How does Calgary rank for cooling and heating degree days - cities and fuas — cooling degree?
Calgary ranks 1245th out of 1306 regions with data for 2025.
Is cooling and heating degree days - cities and fuas — cooling degree rising or falling in Calgary?
Over the last ten years it is down 345.7%. The long-run trend across the full record is volatile.
Where does this Calgary data come from?
The figures come from Statizoid (derived), published as part of Cooling and heating degree days - Cities and FUAs — Cooling degree days, annual growth rate. Statizoid updates them automatically from the source API.

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Cooling and heating degree days - Cities and FUAs — Cooling degree in Calgary. Statizoid, drawing on Statizoid (derived). Retrieved 01 October 2026, from https://reference.statizoid.com/stat/cooling-and-heating-degree-days-cities-and-fuas-cooling-degree-days-annual-growth-rate/calgary/

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<a href="https://reference.statizoid.com/stat/cooling-and-heating-degree-days-cities-and-fuas-cooling-degree-days-annual-growth-rate/calgary/">Cooling and heating degree days - Cities and FUAs — Cooling degree in Calgary</a> — Statizoid

How this figure is calculated

The year-on-year percentage change in Cooling and heating degree days - Cities and FUAs — Cooling degree days. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.

Computed from

Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.

About this data

Indicator
Cooling and heating degree days - Cities and FUAs — Cooling degree days, annual growth rate
Unit
% change on previous year
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
1,324 places, 97,987 data points, 1951–2025
Last refreshed

The year-on-year percentage change in Cooling and heating degree days - Cities and FUAs — Cooling degree days. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.