Cooling and heating degree days - Cities and FUAs — Change in heating in Heidelberg

Heidelberg: Cooling and heating degree days - Cities and FUAs — Change in heating was -2.75 % change on previous year in 2025. ◆ Volatile

Latest (2025)
-2.75 % change on previous year
Change on year
down 480.6%
Rank
472nd
of 1290 regions
All-time high
505.85 % change on previous year
in 1978
All-time low
-875.04 % change on previous year
in 2014
Years of data
69
1951–2025

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

-1.0k-5000500195119882025

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 Heidelberg is -2.75 % change on previous year, measured in 2025.

The figure is down 480.6% on the previous year and down 106.3% over ten years.

Over the whole period, cooling and heating degree days - cities and fuas — change in heating in Heidelberg peaked at 505.85 % change on previous year in 1978 and was at its lowest, -875.04 % change on previous year, in 2014.

That places Heidelberg 472nd out of 1290 regions with data for 2025, putting it 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 degree days - Cities and FUAs — Change in heating in Heidelberg, year by year

Annual values for Cooling and heating degree days - Cities and FUAs — Change in heating degree days from 1981–2010 period to 2020–24 period, annual growth rate in Heidelberg, 1951 to 2025.
Year % change on previous year Change
1951 -124.27 % change on previous year
1953 -66.5 % change on previous year -46.5%
1954 134.86 % change on previous year -302.8%
1955 56.89 % change on previous year -57.8%
1956 65.57 % change on previous year +15.3%
1957 -101.03 % change on previous year -254.1%
1959 -191.83 % change on previous year +89.9%
1960 76.75 % change on previous year -140.0%
1961 -580.37 % change on previous year -856.1%
1962 319.25 % change on previous year -155.0%
1963 35.8 % change on previous year -88.8%
1964 -74.07 % change on previous year -306.9%
1965 72.04 % change on previous year -197.3%
1966 -119.79 % change on previous year -266.3%
1967 80.79 % change on previous year -167.4%
1969 141.07 % change on previous year +74.6%
1970 -37.41 % change on previous year -126.5%
1971 -58.52 % change on previous year +56.4%
1972 56.51 % change on previous year -196.6%
1973 37.67 % change on previous year -33.3%
1974 -139.19 % change on previous year -469.5%
1975 131.03 % change on previous year -194.1%
1976 279.36 % change on previous year +113.2%
1977 -147.5 % change on previous year -152.8%
1978 505.85 % change on previous year -443.0%
1979 -5.18 % change on previous year -101.0%
1980 19.79 % change on previous year -482.3%
1981 -39.75 % change on previous year -300.9%
1982 -58.62 % change on previous year +47.5%
1983 -27.24 % change on previous year -53.5%
1984 297.48 % change on previous year -1192.3%
1985 119.14 % change on previous year -60.0%
1986 -48.73 % change on previous year -140.9%
1987 48.19 % change on previous year -198.9%
1988 -149.38 % change on previous year -410.0%
1989 -5.95 % change on previous year -96.0%
1990 -42.98 % change on previous year +622.9%
1991 140.08 % change on previous year -425.9%
1992 -185.96 % change on previous year -232.8%
1993 99.66 % change on previous year -153.6%
1995 96.71 % change on previous year -3.0%
1997 -83.24 % change on previous year -186.1%
1998 -168.9 % change on previous year +102.9%
1999 -152.33 % change on previous year -9.8%
2000 -165.13 % change on previous year +8.4%
2001 76.71 % change on previous year -146.5%
2002 -198.1 % change on previous year -358.3%
2003 101.22 % change on previous year -151.1%
2004 142.55 % change on previous year +40.8%
2005 -176.56 % change on previous year -223.9%
2007 -166.78 % change on previous year -5.5%
2008 58.18 % change on previous year -134.9%
2009 26.97 % change on previous year -53.6%
2010 455.66 % change on previous year +1589.5%
2011 -190.71 % change on previous year -141.9%
2012 65.96 % change on previous year -134.6%
2013 166.04 % change on previous year +151.7%
2014 -875.04 % change on previous year -627.0%
2015 43.48 % change on previous year -105.0%
2016 60.16 % change on previous year +38.4%
2017 -47.55 % change on previous year -179.0%
2018 -135.27 % change on previous year +184.5%
2019 22.4 % change on previous year -116.6%
2020 -45.22 % change on previous year -301.9%
2021 87.63 % change on previous year -293.8%
2022 -627.41 % change on previous year -816.0%
2023 5.54 % change on previous year -100.9%
2024 0.7239 % change on previous year -86.9%
2025 -2.75 % change on previous year -480.6%

Averages by decade

DecadeAverage LowestHighest Years
1950s -32.33 % change on previous year -191.83 % change on previous year 134.86 % change on previous year 7
1960s -5.39 % change on previous year -580.37 % change on previous year 319.25 % change on previous year 9
1970s 62.26 % change on previous year -147.5 % change on previous year 505.85 % change on previous year 10
1980s 15.49 % change on previous year -149.38 % change on previous year 297.48 % change on previous year 10
1990s -37.12 % change on previous year -185.96 % change on previous year 140.08 % change on previous year 8
2000s -33.44 % change on previous year -198.1 % change on previous year 142.55 % change on previous year 9
2010s -43.49 % change on previous year -875.04 % change on previous year 455.66 % change on previous year 10
2020s -96.92 % change on previous year -627.41 % change on previous year 87.63 % change on previous year 6

More reference data data for Heidelberg

All data for Heidelberg →

Frequently asked questions

What is cooling and heating degree days - cities and fuas — change in heating in Heidelberg?
Cooling and heating degree days - cities and fuas — change in heating in Heidelberg was -2.75 % 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 Heidelberg?
The highest recorded value was 505.85 % change on previous year in 1978.
What is the lowest cooling and heating degree days - cities and fuas — change in heating recorded in Heidelberg?
The lowest recorded value was -875.04 % change on previous year in 2014.
How does Heidelberg rank for cooling and heating degree days - cities and fuas — change in heating?
Heidelberg ranks 472nd out of 1290 regions with data for 2025.
Is cooling and heating degree days - cities and fuas — change in heating rising or falling in Heidelberg?
Over the last ten years it is down 106.3%. The long-run trend across the full record is volatile.
Where does this Heidelberg 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.

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Cooling and heating degree days - Cities and FUAs — Change in heating in Heidelberg. 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-heating-degree-days-from-1981-2/heidelberg/

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<a href="https://reference.statizoid.com/stat/cooling-and-heating-degree-days-cities-and-fuas-change-in-heating-degree-days-from-1981-2/heidelberg/">Cooling and heating degree days - Cities and FUAs — Change in heating in Heidelberg</a> — Statizoid

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

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 heating 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
1,308 places, 92,820 data points, 1951–2025
Last refreshed

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.