Cooling and heating degree days - Cities and FUAs — Change in cooling in Toronto

Toronto: Cooling and heating degree days - Cities and FUAs — Change in cooling was -404.86 % change on previous year in 2025. ◆ Volatile

Latest (2025)
-404.86 % change on previous year
Change on year
down 470.6%
Rank
15th
of 16 groups
All-time high
766.12 % change on previous year
in 1966
All-time low
-579.08 % change on previous year
in 1962
Years of data
72
1951–2025

Cooling and heating degree days - Cities and FUAs — Change in cooling in Toronto, 1951–2025

-50005001.0k195119882025

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

Analysis

Toronto recorded -404.86 % change on previous year for cooling and heating degree days - cities and fuas — change in cooling in 2025.

The figure is down 470.6% on the previous year and down 661.8% over ten years.

Over the whole period, cooling and heating degree days - cities and fuas — change in cooling in Toronto peaked at 766.12 % change on previous year in 1966 and was at its lowest, -579.08 % change on previous year, in 1962.

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

Cooling and heating degree days - Cities and FUAs — Change in cooling in Toronto, year by year

Annual values for Cooling and heating degree days - Cities and FUAs — Change in cooling degree days from 1981–2010 period to 2020–24 period, annual growth rate in Toronto, 1951 to 2025.
Year % change on previous year Change
1951 22.84 % change on previous year
1952 264.69 % change on previous year +1058.7%
1953 -12.96 % change on previous year -104.9%
1954 -138.28 % change on previous year +967.1%
1955 608.05 % change on previous year -539.7%
1956 -146.51 % change on previous year -124.1%
1957 36.04 % change on previous year -124.6%
1958 -13.46 % change on previous year -137.4%
1959 371.15 % change on previous year -2856.4%
1960 -135.2 % change on previous year -136.4%
1961 118.47 % change on previous year -187.6%
1962 -579.08 % change on previous year -588.8%
1963 54.93 % change on previous year -109.5%
1964 172.37 % change on previous year +213.8%
1965 -184.1 % change on previous year -206.8%
1966 766.12 % change on previous year -516.1%
1967 -177.83 % change on previous year -123.2%
1968 99.29 % change on previous year -155.8%
1970 -165.83 % change on previous year -267.0%
1971 2 % change on previous year -101.2%
1972 -571.48 % change on previous year -28698.6%
1973 169.06 % change on previous year -129.6%
1974 -187.6 % change on previous year -211.0%
1975 188 % change on previous year -200.2%
1976 -213.22 % change on previous year -213.4%
1977 70.26 % change on previous year -133.0%
1978 65.49 % change on previous year -6.8%
1980 67.7 % change on previous year +3.4%
1981 -243.19 % change on previous year -459.2%
1982 -42.73 % change on previous year -82.4%
1983 244.69 % change on previous year -672.6%
1984 -129.03 % change on previous year -152.7%
1985 -55.48 % change on previous year -57.0%
1986 -4.14 % change on previous year -92.5%
1987 246.81 % change on previous year -6062.1%
1988 92.28 % change on previous year -62.6%
1989 -110.5 % change on previous year -219.7%
1990 -94.43 % change on previous year -14.5%
1991 396.22 % change on previous year -519.6%
1992 -238.57 % change on previous year -160.2%
1993 90.91 % change on previous year -138.1%
1994 -315.61 % change on previous year -447.2%
1995 170.1 % change on previous year -153.9%
1996 -334.11 % change on previous year -296.4%
1997 34.78 % change on previous year -110.4%
1998 143.39 % change on previous year +312.3%
1999 242.4 % change on previous year +69.0%
2000 -222.23 % change on previous year -191.7%
2001 117.99 % change on previous year -153.1%
2002 702.18 % change on previous year +495.1%
2003 -138.18 % change on previous year -119.7%
2004 -98.17 % change on previous year -29.0%
2005 228.63 % change on previous year -332.9%
2006 -72.56 % change on previous year -131.7%
2007 77.54 % change on previous year -206.9%
2008 -177.15 % change on previous year -328.5%
2009 -97.31 % change on previous year -45.1%
2010 180.64 % change on previous year -285.6%
2011 -25.56 % change on previous year -114.2%
2012 151.97 % change on previous year -694.5%
2013 -109.31 % change on previous year -171.9%
2014 -546.22 % change on previous year +399.7%
2015 72.07 % change on previous year -113.2%
2016 664.78 % change on previous year +822.4%
2017 -129.91 % change on previous year -119.5%
2018 367.07 % change on previous year -382.6%
2019 -109.24 % change on previous year -129.8%
2021 -47.52 % change on previous year -56.5%
2022 -71.18 % change on previous year +49.8%
2023 -314.81 % change on previous year +342.3%
2024 109.25 % change on previous year -134.7%
2025 -404.86 % change on previous year -470.6%

Averages by decade

DecadeAverage LowestHighest Years
1950s 110.17 % change on previous year -146.51 % change on previous year 608.05 % change on previous year 9
1960s 15 % change on previous year -579.08 % change on previous year 766.12 % change on previous year 9
1970s -71.48 % change on previous year -571.48 % change on previous year 188 % change on previous year 9
1980s 6.64 % change on previous year -243.19 % change on previous year 246.81 % change on previous year 10
1990s 9.51 % change on previous year -334.11 % change on previous year 396.22 % change on previous year 10
2000s 32.08 % change on previous year -222.23 % change on previous year 702.18 % change on previous year 10
2010s 51.63 % change on previous year -546.22 % change on previous year 664.78 % change on previous year 10
2020s -145.82 % change on previous year -404.86 % change on previous year 109.25 % change on previous year 5

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Frequently asked questions

What is cooling and heating degree days - cities and fuas — change in cooling in Toronto?
Cooling and heating degree days - cities and fuas — change in cooling in Toronto was -404.86 % change on previous year in 2025, according to Statizoid (derived).
What is the highest cooling and heating degree days - cities and fuas — change in cooling recorded in Toronto?
The highest recorded value was 766.12 % change on previous year in 1966.
What is the lowest cooling and heating degree days - cities and fuas — change in cooling recorded in Toronto?
The lowest recorded value was -579.08 % change on previous year in 1962.
How does Toronto rank for cooling and heating degree days - cities and fuas — change in cooling?
Toronto ranks 15th out of 16 groups with data for 2025.
Is cooling and heating degree days - cities and fuas — change in cooling rising or falling in Toronto?
Over the last ten years it is down 661.8%. The long-run trend across the full record is volatile.
Where does this Toronto data come from?
The figures come from Statizoid (derived), published as part of Cooling and heating degree days - Cities and FUAs — Change in cooling degree days from 1981–2010 period to 2020–24 period, annual growth rate. Statizoid updates them automatically from the source API.

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Cooling and heating degree days - Cities and FUAs — Change in cooling in Toronto. Statizoid, drawing on Statizoid (derived). Retrieved 06 September 2026, from https://reference.statizoid.com/stat/cooling-and-heating-degree-days-cities-and-fuas-change-in-cooling-degree-days-from-1981-2/toronto/

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How this figure is calculated

The year-on-year percentage change in Cooling and heating degree days - Cities and FUAs — Change in cooling degree days from 1981–2010 period to 2020–24 period. 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 — Change in cooling degree days from 1981–2010 period to 2020–24 period, 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, 93,596 data points, 1951–2025
Last refreshed

The year-on-year percentage change in Cooling and heating degree days - Cities and FUAs — Change in cooling degree days from 1981–2010 period to 2020–24 period. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.