Cooling and heating degree days - Cities and FUAs, annual growth rate in İzmir
İzmir: Cooling and heating degree days - Cities and FUAs, annual growth rate was -21.64 % change on previous year in 2025. ◆ Volatile
Cooling and heating degree days - Cities and FUAs, annual growth rate in İzmir, 1951–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
İzmir recorded -21.64 % change on previous year for cooling and heating degree days - cities and fuas, annual growth rate in 2025.
That represents a change of down 1,547.5% on the previous year and down 162.9% over ten years.
Over the whole period, cooling and heating degree days - cities and fuas, annual growth rate in İzmir peaked at 60.56 % change on previous year in 2011 and was at its lowest, -30.15 % change on previous year, in 1955.
İzmir ranks 1035th of 1289 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, annual growth rate in İzmir, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1951 | -15.51 % change on previous year | — |
| 1952 | -0.0311 % change on previous year | -99.8% |
| 1953 | 44.71 % change on previous year | -143666.5% |
| 1954 | -7.51 % change on previous year | -116.8% |
| 1955 | -30.15 % change on previous year | +301.4% |
| 1956 | 51.6 % change on previous year | -271.2% |
| 1957 | -13.51 % change on previous year | -126.2% |
| 1958 | -13.62 % change on previous year | +0.8% |
| 1959 | 22.18 % change on previous year | -262.8% |
| 1960 | -22.89 % change on previous year | -203.2% |
| 1961 | 20.45 % change on previous year | -189.3% |
| 1962 | -13.07 % change on previous year | -163.9% |
| 1963 | 6.93 % change on previous year | -153.1% |
| 1964 | 21.97 % change on previous year | +216.9% |
| 1965 | -6.89 % change on previous year | -131.4% |
| 1966 | -26.7 % change on previous year | +287.3% |
| 1967 | 42.62 % change on previous year | -259.6% |
| 1968 | -10.65 % change on previous year | -125.0% |
| 1969 | 8.34 % change on previous year | -178.3% |
| 1970 | -13.66 % change on previous year | -263.8% |
| 1971 | 9.34 % change on previous year | -168.4% |
| 1972 | 12.62 % change on previous year | +35.1% |
| 1973 | -6.74 % change on previous year | -153.4% |
| 1974 | 6.22 % change on previous year | -192.3% |
| 1975 | -0.1413 % change on previous year | -102.3% |
| 1976 | 0.0015 % change on previous year | -101.1% |
| 1977 | -10.49 % change on previous year | -681790.8% |
| 1978 | -0.5112 % change on previous year | -95.1% |
| 1979 | -6.29 % change on previous year | +1129.6% |
| 1980 | 17.82 % change on previous year | -383.4% |
| 1981 | -12.72 % change on previous year | -171.4% |
| 1982 | 13.86 % change on previous year | -208.9% |
| 1983 | -1.71 % change on previous year | -112.3% |
| 1984 | -6.96 % change on previous year | +307.6% |
| 1985 | -2.01 % change on previous year | -71.1% |
| 1986 | -0.5033 % change on previous year | -75.0% |
| 1987 | 16.65 % change on previous year | -3407.9% |
| 1988 | -4.32 % change on previous year | -126.0% |
| 1989 | -1.21 % change on previous year | -72.1% |
| 1990 | -9.22 % change on previous year | +663.4% |
| 1991 | 13.32 % change on previous year | -244.6% |
| 1992 | 15.36 % change on previous year | +15.3% |
| 1993 | -11.03 % change on previous year | -171.8% |
| 1994 | -13.64 % change on previous year | +23.7% |
| 1995 | 3.64 % change on previous year | -126.7% |
| 1996 | 4.74 % change on previous year | +30.3% |
| 1997 | 5.62 % change on previous year | +18.5% |
| 1998 | -10.74 % change on previous year | -291.1% |
| 1999 | -16.61 % change on previous year | +54.7% |
| 2000 | 31.13 % change on previous year | -287.5% |
| 2001 | -14.24 % change on previous year | -145.7% |
| 2002 | 3.94 % change on previous year | -127.7% |
| 2003 | 18.14 % change on previous year | +360.1% |
| 2004 | -10.74 % change on previous year | -159.2% |
| 2005 | -0.8113 % change on previous year | -92.4% |
| 2006 | 5.22 % change on previous year | -744.0% |
| 2007 | -9.54 % change on previous year | -282.5% |
| 2008 | -1.35 % change on previous year | -85.8% |
| 2009 | -10.21 % change on previous year | +654.7% |
| 2010 | -15.22 % change on previous year | +49.0% |
| 2011 | 60.56 % change on previous year | -497.8% |
| 2012 | -13.04 % change on previous year | -121.5% |
| 2013 | -11.84 % change on previous year | -9.2% |
| 2014 | -19.28 % change on previous year | +62.8% |
| 2015 | 34.4 % change on previous year | -278.5% |
| 2016 | -4.58 % change on previous year | -113.3% |
| 2017 | 2.31 % change on previous year | -150.4% |
| 2018 | -19.45 % change on previous year | -941.0% |
| 2019 | 7.99 % change on previous year | -141.1% |
| 2020 | 4.01 % change on previous year | -49.8% |
| 2021 | -2.13 % change on previous year | -153.1% |
| 2022 | 13.4 % change on previous year | -728.9% |
| 2023 | -14.51 % change on previous year | -208.2% |
| 2024 | -1.31 % change on previous year | -90.9% |
| 2025 | -21.64 % change on previous year | +1547.5% |
Biggest year-on-year movements
Years where Cooling and heating degree days - Cities and FUAs, annual growth rate 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.
| Year | Change | From | To |
|---|---|---|---|
| 1977 | -681790.8% | 0.0015 % change on previous year | -10.49 % change on previous year |
| 1953 | +143666.5% | -0.0311 % change on previous year | 44.71 % change on previous year |
| 1987 | +3407.9% | -0.5033 % change on previous year | 16.65 % change on previous year |
| 2025 | -1547.5% | -1.31 % change on previous year | -21.64 % change on previous year |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 4.24 % change on previous year | -30.15 % change on previous year | 51.6 % change on previous year | 9 |
| 1960s | 2.01 % change on previous year | -26.7 % change on previous year | 42.62 % change on previous year | 10 |
| 1970s | -0.9636 % change on previous year | -13.66 % change on previous year | 12.62 % change on previous year | 10 |
| 1980s | 1.89 % change on previous year | -12.72 % change on previous year | 17.82 % change on previous year | 10 |
| 1990s | -1.85 % change on previous year | -16.61 % change on previous year | 15.36 % change on previous year | 10 |
| 2000s | 1.15 % change on previous year | -14.24 % change on previous year | 31.13 % change on previous year | 10 |
| 2010s | 2.19 % change on previous year | -19.45 % change on previous year | 60.56 % change on previous year | 10 |
| 2020s | -3.7 % change on previous year | -21.64 % change on previous year | 13.4 % change on previous year | 6 |
More reference data data for İzmir
- Cooling and heating degree days - Cities and FUAs — Cooling degree -31.16 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling -88.9 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -80.66 % change on previous year (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -454.81 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs 735.29 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling 29.94 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Cooling degree 529.52 Degree days (2025)
- Precipitation - Cities and FUAs — Extreme precipitation days 10.36 Days per year (2024)
- Precipitation - Cities and FUAs — Change in extreme precipitation 1.13 Days per year (2024)
- Exposure to extreme precipitation — Annual precipitation change 212.21 Millimetres per year (2023)
Frequently asked questions
- What is cooling and heating degree days - cities and fuas, annual growth rate in İzmir?
- Cooling and heating degree days - cities and fuas, annual growth rate in İzmir was -21.64 % change on previous year in 2025, according to Statizoid (derived).
- What is the highest cooling and heating degree days - cities and fuas, annual growth rate recorded in İzmir?
- The highest recorded value was 60.56 % change on previous year in 2011.
- What is the lowest cooling and heating degree days - cities and fuas, annual growth rate recorded in İzmir?
- The lowest recorded value was -30.15 % change on previous year in 1955.
- How does İzmir rank for cooling and heating degree days - cities and fuas, annual growth rate?
- İzmir ranks 1035th out of 1289 regions with data for 2025.
- Is cooling and heating degree days - cities and fuas, annual growth rate rising or falling in İzmir?
- Over the last ten years it is down 162.9%. 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, annual growth rate. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 75 observations, free to reuse under Derived by Statizoid from the sources named on the page.
How this figure is calculated
The year-on-year percentage change in Cooling and heating degree days - Cities and FUAs. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.
Computed from
- Cooling and heating degree days - Cities and FUAs Organisation for Economic Co-operation and Development
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
The year-on-year percentage change in Cooling and heating degree days - Cities and FUAs. Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.