Cooling and heating degree days - Cities and FUAs — Change in heating in Swansea
Swansea: Cooling and heating degree days - Cities and FUAs — Change in heating was -112.09 % change on previous year in 2025. ◆ Volatile
Latest (2025)
-112.09 % change on previous year
Change on year
down 629.8%
Rank
1028th
of 1290 regions
All-time high
923.87 % change on previous year
in 1976
All-time low
-611.54 % change on previous year
in 2002
Years of data
71
1951–2025
Cooling and heating degree days - Cities and FUAs — Change in heating in Swansea, 1951–2025
Source: Statizoid (derived). Measured in % change on previous year.
Analysis
In 2025, cooling and heating degree days - cities and fuas — change in heating in Swansea stood at -112.09 % change on previous year.
That represents a change of down 629.8% on the previous year and down 358.3% over ten years.
Over the whole period, cooling and heating degree days - cities and fuas — change in heating in Swansea peaked at 923.87 % change on previous year in 1976 and was at its lowest, -611.54 % change on previous year, in 2002.
Swansea ranks 1028th of 1290 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 — Change in heating in Swansea, year by year
| Year | % change on previous year | Change |
|---|---|---|
| 1951 | 41.58 % change on previous year | — |
| 1952 | 84.79 % change on previous year | +103.9% |
| 1953 | -103.46 % change on previous year | -222.0% |
| 1955 | 106.32 % change on previous year | -202.8% |
| 1956 | 14.41 % change on previous year | -86.4% |
| 1957 | -120.28 % change on previous year | -934.5% |
| 1958 | 310.44 % change on previous year | -358.1% |
| 1959 | -220.41 % change on previous year | -171.0% |
| 1960 | 115.74 % change on previous year | -152.5% |
| 1961 | -214.81 % change on previous year | -285.6% |
| 1963 | 52.02 % change on previous year | -124.2% |
| 1964 | -65.07 % change on previous year | -225.1% |
| 1965 | 36.65 % change on previous year | -156.3% |
| 1966 | -53.82 % change on previous year | -246.8% |
| 1967 | -13.48 % change on previous year | -74.9% |
| 1968 | 72.36 % change on previous year | -636.6% |
| 1969 | 101.56 % change on previous year | +40.4% |
| 1970 | -63.57 % change on previous year | -162.6% |
| 1971 | -105.07 % change on previous year | +65.3% |
| 1973 | -49.6 % change on previous year | -52.8% |
| 1974 | -19.87 % change on previous year | -59.9% |
| 1975 | -77.06 % change on previous year | +287.8% |
| 1976 | 923.87 % change on previous year | -1298.9% |
| 1977 | -44.03 % change on previous year | -104.8% |
| 1978 | 4.85 % change on previous year | -111.0% |
| 1979 | 237.9 % change on previous year | +4801.6% |
| 1980 | -56.86 % change on previous year | -123.9% |
| 1981 | 12.81 % change on previous year | -122.5% |
| 1982 | -84.99 % change on previous year | -763.4% |
| 1983 | 176.71 % change on previous year | -307.9% |
| 1984 | -9.38 % change on previous year | -105.3% |
| 1985 | 357.8 % change on previous year | -3916.0% |
| 1986 | 28.18 % change on previous year | -92.1% |
| 1987 | -32.9 % change on previous year | -216.7% |
| 1988 | -115.32 % change on previous year | +250.5% |
| 1989 | -367.86 % change on previous year | +219.0% |
| 1990 | -38.16 % change on previous year | -89.6% |
| 1991 | 139.37 % change on previous year | -465.3% |
| 1992 | -50.66 % change on previous year | -136.3% |
| 1993 | 48.51 % change on previous year | -195.8% |
| 1994 | -242.71 % change on previous year | -600.3% |
| 1995 | 27.14 % change on previous year | -111.2% |
| 1996 | 463.93 % change on previous year | +1609.5% |
| 1997 | -142.31 % change on previous year | -130.7% |
| 1998 | -38.05 % change on previous year | -73.3% |
| 1999 | 3.02 % change on previous year | -107.9% |
| 2000 | 69.61 % change on previous year | +2206.0% |
| 2001 | 184.46 % change on previous year | +165.0% |
| 2002 | -611.54 % change on previous year | -431.5% |
| 2003 | 54.82 % change on previous year | -109.0% |
| 2004 | -58.89 % change on previous year | -207.4% |
| 2005 | 10.23 % change on previous year | -117.4% |
| 2006 | -11.93 % change on previous year | -216.5% |
| 2007 | -93.8 % change on previous year | +686.4% |
| 2008 | 89.27 % change on previous year | -195.2% |
| 2009 | 110.74 % change on previous year | +24.1% |
| 2011 | -166.59 % change on previous year | -250.4% |
| 2012 | 117.16 % change on previous year | -170.3% |
| 2013 | 220.89 % change on previous year | +88.5% |
| 2014 | -307.59 % change on previous year | -239.3% |
| 2015 | 43.4 % change on previous year | -114.1% |
| 2016 | 33.54 % change on previous year | -22.7% |
| 2017 | -141.38 % change on previous year | -521.6% |
| 2018 | 53.55 % change on previous year | -137.9% |
| 2019 | -45.43 % change on previous year | -184.8% |
| 2020 | -39.79 % change on previous year | -12.4% |
| 2021 | 51.76 % change on previous year | -230.1% |
| 2022 | -181.16 % change on previous year | -450.0% |
| 2023 | 38.05 % change on previous year | -121.0% |
| 2024 | 21.16 % change on previous year | -44.4% |
| 2025 | -112.09 % change on previous year | -629.8% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 14.17 % change on previous year | -220.41 % change on previous year | 310.44 % change on previous year | 8 |
| 1960s | 3.46 % change on previous year | -214.81 % change on previous year | 115.74 % change on previous year | 9 |
| 1970s | 89.72 % change on previous year | -105.07 % change on previous year | 923.87 % change on previous year | 9 |
| 1980s | -9.18 % change on previous year | -367.86 % change on previous year | 357.8 % change on previous year | 10 |
| 1990s | 17.01 % change on previous year | -242.71 % change on previous year | 463.93 % change on previous year | 10 |
| 2000s | -25.7 % change on previous year | -611.54 % change on previous year | 184.46 % change on previous year | 10 |
| 2010s | -21.38 % change on previous year | -307.59 % change on previous year | 220.89 % change on previous year | 9 |
| 2020s | -37.01 % change on previous year | -181.16 % change on previous year | 51.76 % change on previous year | 6 |
More reference data data for Swansea
- Cooling and heating degree days - Cities and FUAs — Cooling degree 1.3 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in cooling -1.67 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs 1,563 Degree days (2025)
- Cooling and heating degree days - Cities and FUAs — Change in heating -344.32 Degree days (2025)
- Precipitation - Cities and FUAs — Extreme precipitation days 11.6 Days per year (2024)
- Precipitation - Cities and FUAs — Change in extreme precipitation 1.34 Days per year (2024)
- Dependency ratio - Cities and FUAs 31.6 Percentage of population aged 15-64 years (2024)
- Wind threats - Cities and FUAs — Exposure to wind threats 100 Percentage of area (2023)
- Coastal flooding - Cities and FUAs — Built-up area exposure to 0.739 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 Swansea?
- Cooling and heating degree days - cities and fuas — change in heating in Swansea was -112.09 % 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 Swansea?
- The highest recorded value was 923.87 % change on previous year in 1976.
- What is the lowest cooling and heating degree days - cities and fuas — change in heating recorded in Swansea?
- The lowest recorded value was -611.54 % change on previous year in 2002.
- How does Swansea rank for cooling and heating degree days - cities and fuas — change in heating?
- Swansea ranks 1028th out of 1290 regions with data for 2025.
- Is cooling and heating degree days - cities and fuas — change in heating rising or falling in Swansea?
- Over the last ten years it is down 358.3%. The long-run trend across the full record is volatile.
- Where does this Swansea 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 — 71 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.