Cooling and heating: Cities and FUAs … heating growth rate Cities in İzmir

İzmir: Cooling and heating: Cities and FUAs … heating growth rate Cities was -31.16 % change on previous year in 2025. ◆ Volatile

Latest (2025)
-31.16 % change on previous year
Change on year
down 207.5%
Rank
543rd
of 1306 regions
All-time high
69.45 % change on previous year
in 1977
All-time low
-31.16 % change on previous year
in 2025
Years of data
75
1951–2025

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

-250255075195119882025

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

Analysis

The most recent figure for cooling and heating degree days - cities and fuas — cooling degree in İzmir is -31.16 % change on previous year, measured in 2025. That is the lowest value across all 75 years on record.

Compared with earlier readings it is down 207.5% on the previous year and down 246.6% over ten years.

Over the whole period, cooling and heating degree days - cities and fuas — cooling degree in İzmir peaked at 69.45 % change on previous year in 1977 and was at its lowest, -31.16 % change on previous year, in 2025.

İzmir ranks 543rd of 1306 regions on this measure, in the middle of the range.

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

Cooling and heating: Cities and FUAs … heating growth rate Cities in İzmir, year by year

Annual values for Cooling and heating degree days - Cities and FUAs — Cooling degree days, annual growth rate in İzmir, 1951 to 2025.
Year % change on previous year Change
1951 -9.74 % change on previous year —
1952 17.38 % change on previous year -278.4%
1953 -25.77 % change on previous year -248.2%
1954 16.94 % change on previous year -165.8%
1955 -17.49 % change on previous year -203.2%
1956 17.62 % change on previous year -200.7%
1957 0.4666 % change on previous year -97.4%
1958 -11.95 % change on previous year -2661.2%
1959 -19.58 % change on previous year +63.8%
1960 24.03 % change on previous year -222.8%
1961 -2.49 % change on previous year -110.4%
1962 20.1 % change on previous year -907.9%
1963 0.352 % change on previous year -98.2%
1964 -23.51 % change on previous year -6779.0%
1965 14.24 % change on previous year -160.6%
1966 -4.13 % change on previous year -129.0%
1967 2.62 % change on previous year -163.4%
1968 -7.59 % change on previous year -389.8%
1969 8.79 % change on previous year -215.8%
1970 -1.74 % change on previous year -119.8%
1971 -7.48 % change on previous year +329.9%
1972 -10.64 % change on previous year +42.1%
1973 9.81 % change on previous year -192.2%
1974 -1.45 % change on previous year -114.8%
1975 -3.97 % change on previous year +173.1%
1976 -31.04 % change on previous year +682.3%
1977 69.45 % change on previous year -323.7%
1978 -16.79 % change on previous year -124.2%
1979 14.7 % change on previous year -187.5%
1980 -11.15 % change on previous year -175.8%
1981 17.52 % change on previous year -257.2%
1982 -10.08 % change on previous year -157.5%
1983 -15.99 % change on previous year +58.7%
1984 16.13 % change on previous year -200.8%
1985 13.65 % change on previous year -15.4%
1986 9.64 % change on previous year -29.4%
1987 1.12 % change on previous year -88.4%
1988 8.88 % change on previous year +695.0%
1989 -21.75 % change on previous year -344.9%
1990 12.38 % change on previous year -156.9%
1991 -10.8 % change on previous year -187.3%
1992 2.5 % change on previous year -123.1%
1993 7.78 % change on previous year +211.3%
1994 24.38 % change on previous year +213.5%
1995 -24.33 % change on previous year -199.8%
1996 0.0577 % change on previous year -100.2%
1997 -14.11 % change on previous year -24561.1%
1998 32.76 % change on previous year -332.3%
1999 7.5 % change on previous year -77.1%
2000 5.05 % change on previous year -32.7%
2001 -0.4909 % change on previous year -109.7%
2002 -19.33 % change on previous year +3838.4%
2003 23.4 % change on previous year -221.0%
2004 -10.72 % change on previous year -145.8%
2005 -5.25 % change on previous year -51.0%
2006 14.27 % change on previous year -371.5%
2007 19.88 % change on previous year +39.4%
2008 -6.37 % change on previous year -132.0%
2009 -15.22 % change on previous year +139.0%
2010 12.56 % change on previous year -182.5%
2011 -8.9 % change on previous year -170.9%
2012 28.53 % change on previous year -420.6%
2013 -17.54 % change on previous year -161.5%
2014 -14.58 % change on previous year -16.9%
2015 21.25 % change on previous year -245.7%
2016 6.05 % change on previous year -71.5%
2017 -6.63 % change on previous year -209.5%
2018 3.24 % change on previous year -148.9%
2019 0.9751 % change on previous year -69.9%
2020 1.65 % change on previous year +68.7%
2021 -2.55 % change on previous year -255.0%
2022 -3.06 % change on previous year +20.2%
2023 1.38 % change on previous year -145.1%
2024 28.98 % change on previous year +1995.1%
2025 -31.16 % change on previous year -207.5%

Biggest year-on-year movements

Years where Cooling and heating: Cities and FUAs … heating growth rate Cities in İzmir 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
1997 -24561.1% 0.0577 % change on previous year -14.11 % change on previous year
1964 -6779.0% 0.352 % change on previous year -23.51 % change on previous year
2002 -3838.4% -0.4909 % change on previous year -19.33 % change on previous year
1958 -2661.2% 0.4666 % change on previous year -11.95 % change on previous year
2024 +1995.1% 1.38 % change on previous year 28.98 % change on previous year

Averages by decade

DecadeAverage LowestHighest Years
1950s -3.57 % change on previous year -25.77 % change on previous year 17.62 % change on previous year 9
1960s 3.24 % change on previous year -23.51 % change on previous year 24.03 % change on previous year 10
1970s 2.08 % change on previous year -31.04 % change on previous year 69.45 % change on previous year 10
1980s 0.7967 % change on previous year -21.75 % change on previous year 17.52 % change on previous year 10
1990s 3.81 % change on previous year -24.33 % change on previous year 32.76 % change on previous year 10
2000s 0.5214 % change on previous year -19.33 % change on previous year 23.4 % change on previous year 10
2010s 2.5 % change on previous year -17.54 % change on previous year 28.53 % change on previous year 10
2020s -0.794 % change on previous year -31.16 % change on previous year 28.98 % change on previous year 6

More reference data data for İzmir

All data for İzmir →

Frequently asked questions

What is cooling and heating degree days - cities and fuas — cooling degree in İzmir?
Cooling and heating degree days - cities and fuas — cooling degree in İzmir was -31.16 % 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 İzmir?
The highest recorded value was 69.45 % change on previous year in 1977.
What is the lowest cooling and heating degree days - cities and fuas — cooling degree recorded in İzmir?
The lowest recorded value was -31.16 % change on previous year in 2025.
How does İzmir rank for cooling and heating degree days - cities and fuas — cooling degree?
İzmir ranks 543rd out of 1306 regions with data for 2025.
Is cooling and heating degree days - cities and fuas — cooling degree rising or falling in İzmir?
Over the last ten years it is down 246.6%. The long-run trend across the full record is volatile.
Where does this İzmir 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 İzmir. Statizoid, drawing on Statizoid (derived). Retrieved 14 October 2026, from https://reference.statizoid.com/stat/cooling-and-heating-degree-days-cities-and-fuas-cooling-degree-days-annual-growth-rate/izmir-2/

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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/izmir-2/">Cooling and heating degree days - Cities and FUAs — Cooling degree in İzmir</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.