Cooling and heating degree days - Cities and FUAs — Change in heating in Cardiff
Cardiff: Cooling and heating degree days - Cities and FUAs — Change in heating was -210.4 % change on previous year in 2025. ◆ Volatile
Latest (2025)
-210.4 % change on previous year
Change on year
down 3,970.3%
Rank
1162nd
of 1290 regions
All-time high
996.46 % change on previous year
in 1962
All-time low
-483.09 % change on previous year
in 2002
Years of data
72
1951–2025
Cooling and heating degree days - Cities and FUAs — Change in heating in Cardiff, 1951–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
The most recent figure for cooling and heating degree days - cities and fuas — change in heating in Cardiff is -210.4 % change on previous year, measured in 2025.
That represents a change of down 3,970.3% on the previous year and down 681.8% over ten years.
Over the whole period, cooling and heating degree days - cities and fuas — change in heating in Cardiff peaked at 996.46 % change on previous year in 1962 and was at its lowest, -483.09 % change on previous year, in 2002.
That places Cardiff 1162nd out of 1290 regions with data for 2025, putting it 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 — Change in heating in Cardiff, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1951 | 13.04 % change on previous year | — |
| 1952 | 105.68 % change on previous year | +710.4% |
| 1953 | -91.26 % change on previous year | -186.4% |
| 1954 | 624.93 % change on previous year | -784.8% |
| 1955 | 111.11 % change on previous year | -82.2% |
| 1956 | 7.2 % change on previous year | -93.5% |
| 1957 | -107.73 % change on previous year | -1595.5% |
| 1958 | 637 % change on previous year | -691.3% |
| 1959 | -194.52 % change on previous year | -130.5% |
| 1960 | 126.54 % change on previous year | -165.1% |
| 1961 | -228.4 % change on previous year | -280.5% |
| 1962 | 996.46 % change on previous year | -536.3% |
| 1963 | 42.52 % change on previous year | -95.7% |
| 1964 | -62.02 % change on previous year | -245.9% |
| 1965 | 19.36 % change on previous year | -131.2% |
| 1966 | -49.04 % change on previous year | -353.3% |
| 1967 | -27.52 % change on previous year | -43.9% |
| 1968 | 93.23 % change on previous year | -438.7% |
| 1969 | 96.81 % change on previous year | +3.8% |
| 1970 | -63.81 % change on previous year | -165.9% |
| 1971 | -88.9 % change on previous year | +39.3% |
| 1973 | -38.01 % change on previous year | -57.2% |
| 1974 | -25.02 % change on previous year | -34.2% |
| 1975 | -39.89 % change on previous year | +59.4% |
| 1976 | 240.63 % change on previous year | -703.3% |
| 1977 | -31.63 % change on previous year | -113.1% |
| 1978 | -4.32 % change on previous year | -86.3% |
| 1979 | 228.35 % change on previous year | -5382.1% |
| 1980 | -58.07 % change on previous year | -125.4% |
| 1981 | 12.52 % change on previous year | -121.6% |
| 1982 | -97.14 % change on previous year | -876.0% |
| 1984 | -0.0625 % change on previous year | -99.9% |
| 1985 | 370.33 % change on previous year | -592287.3% |
| 1986 | 26.75 % change on previous year | -92.8% |
| 1987 | -34.31 % change on previous year | -228.3% |
| 1988 | -114.69 % change on previous year | +234.2% |
| 1989 | -418.37 % change on previous year | +264.8% |
| 1990 | -48.1 % change on previous year | -88.5% |
| 1991 | 139.9 % change on previous year | -390.8% |
| 1992 | -57.03 % change on previous year | -140.8% |
| 1993 | 34.46 % change on previous year | -160.4% |
| 1994 | -286.6 % change on previous year | -931.6% |
| 1995 | 33.55 % change on previous year | -111.7% |
| 1996 | 455.28 % change on previous year | +1257.1% |
| 1997 | -139.38 % change on previous year | -130.6% |
| 1998 | -36.14 % change on previous year | -74.1% |
| 1999 | -7.44 % change on previous year | -79.4% |
| 2000 | 66.73 % change on previous year | -996.7% |
| 2001 | 207.22 % change on previous year | +210.5% |
| 2002 | -483.09 % change on previous year | -333.1% |
| 2003 | 62.27 % change on previous year | -112.9% |
| 2004 | -64.46 % change on previous year | -203.5% |
| 2005 | 9 % change on previous year | -114.0% |
| 2006 | -32.31 % change on previous year | -458.9% |
| 2007 | -68.06 % change on previous year | +110.7% |
| 2008 | 94.2 % change on previous year | -238.4% |
| 2009 | 132.75 % change on previous year | +40.9% |
| 2011 | -172.42 % change on previous year | -229.9% |
| 2012 | 119.69 % change on previous year | -169.4% |
| 2013 | 162.22 % change on previous year | +35.5% |
| 2014 | -290.51 % change on previous year | -279.1% |
| 2015 | 36.16 % change on previous year | -112.4% |
| 2016 | 54.76 % change on previous year | +51.4% |
| 2017 | -204.78 % change on previous year | -474.0% |
| 2018 | 48.52 % change on previous year | -123.7% |
| 2019 | -22.96 % change on previous year | -147.3% |
| 2020 | -61.16 % change on previous year | +166.3% |
| 2021 | 48.95 % change on previous year | -180.0% |
| 2022 | -147.08 % change on previous year | -400.5% |
| 2023 | 37.02 % change on previous year | -125.2% |
| 2024 | 5.44 % change on previous year | -85.3% |
| 2025 | -210.4 % change on previous year | -3970.3% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 122.83 % change on previous year | -194.52 % change on previous year | 637 % change on previous year | 9 |
| 1960s | 100.79 % change on previous year | -228.4 % change on previous year | 996.46 % change on previous year | 10 |
| 1970s | 19.71 % change on previous year | -88.9 % change on previous year | 240.63 % change on previous year | 9 |
| 1980s | -34.78 % change on previous year | -418.37 % change on previous year | 370.33 % change on previous year | 9 |
| 1990s | 8.85 % change on previous year | -286.6 % change on previous year | 455.28 % change on previous year | 10 |
| 2000s | -7.57 % change on previous year | -483.09 % change on previous year | 207.22 % change on previous year | 10 |
| 2010s | -29.92 % change on previous year | -290.51 % change on previous year | 162.22 % change on previous year | 9 |
| 2020s | -54.54 % change on previous year | -210.4 % change on previous year | 48.95 % change on previous year | 6 |
More reference data data for Cardiff
- Cooling and heating degree days - Cities and FUAs — Cooling degree 3.27 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling -3.44 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs 1,408 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -613.91 Degree days (2025)
- Precipitation - Cities and FUAs — Extreme precipitation days 9.29 Days per year (2024)
- Precipitation - Cities and FUAs — Change in extreme precipitation 3.6 Days per year (2024)
- Dependency ratio - Cities and FUAs 21.1 Percentage of population aged 15-64 years (2024)
- Wind threats - Cities and FUAs — Exposure to wind threats 0 Percentage of area (2023)
- Coastal flooding - Cities and FUAs — Built-up area exposure to 4.89 Percentage of built-up area (2022)
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Frequently asked questions
- What is cooling and heating degree days - cities and fuas — change in heating in Cardiff?
- Cooling and heating degree days - cities and fuas — change in heating in Cardiff was -210.4 % change on previous year in 2025, according to Statizoid (derived).
- What is the highest cooling and heating degree days - cities and fuas — change in heating recorded in Cardiff?
- The highest recorded value was 996.46 % change on previous year in 1962.
- What is the lowest cooling and heating degree days - cities and fuas — change in heating recorded in Cardiff?
- The lowest recorded value was -483.09 % change on previous year in 2002.
- How does Cardiff rank for cooling and heating degree days - cities and fuas — change in heating?
- Cardiff ranks 1162nd out of 1290 regions with data for 2025.
- Is cooling and heating degree days - cities and fuas — change in heating rising or falling in Cardiff?
- Over the last ten years it is down 681.8%. The long-run trend across the full record is volatile.
- Where does this Cardiff data come from?
- The figures come from Statizoid (derived), published as part of Cooling and heating degree days - Cities and FUAs — Change in heating degree days from 1981–2010 period to 2020–24 period, annual growth rate. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 72 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 — Change in heating 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
- Cooling and heating degree days - Cities and FUAs — Change in heating 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 — Change in heating 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.