Cooling and heating degree days - Cities and FUAs — Cooling degree in Bergisch Gladbach

Bergisch Gladbach: Cooling and heating degree days - Cities and FUAs — Cooling degree was -25 % change on previous year in 2025. ◆ Volatile

Latest (2025)
-25 % change on previous year
Change on year
down 28.3%
Rank
434th
of 1306 regions
All-time high
697.47 % change on previous year
in 1957
All-time low
-88.5 % change on previous year
in 1977
Years of data
75
1951–2025

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

0200400600195119882025

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

Analysis

In 2025, cooling and heating degree days - cities and fuas — cooling degree in Bergisch Gladbach stood at -25 % change on previous year.

That represents a change of down 28.3% on the previous year and down 126.6% over ten years.

Over the whole period, cooling and heating degree days - cities and fuas — cooling degree in Bergisch Gladbach peaked at 697.47 % change on previous year in 1957 and was at its lowest, -88.5 % change on previous year, in 1977.

Bergisch Gladbach ranks 434th 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 degree days - Cities and FUAs — Cooling degree in Bergisch Gladbach, year by year

Annual values for Cooling and heating degree days - Cities and FUAs — Cooling degree days, annual growth rate in Bergisch Gladbach, 1951 to 2025.
Year % change on previous year Change
1951 -28.85 % change on previous year —
1952 118.09 % change on previous year -509.3%
1953 -35.98 % change on previous year -130.5%
1954 -62.17 % change on previous year +72.8%
1955 88.02 % change on previous year -241.6%
1956 -74.07 % change on previous year -184.2%
1957 697.47 % change on previous year -1041.6%
1958 -56.99 % change on previous year -108.2%
1959 211.08 % change on previous year -470.4%
1960 -79.09 % change on previous year -137.5%
1961 106.03 % change on previous year -234.1%
1962 -62.52 % change on previous year -159.0%
1963 83.39 % change on previous year -233.4%
1964 150.4 % change on previous year +80.3%
1965 -83.34 % change on previous year -155.4%
1966 199.22 % change on previous year -339.0%
1967 6.42 % change on previous year -96.8%
1968 -36.98 % change on previous year -675.9%
1969 128.66 % change on previous year -447.9%
1970 -35.16 % change on previous year -127.3%
1971 26.44 % change on previous year -175.2%
1972 -24.22 % change on previous year -191.6%
1973 100.38 % change on previous year -514.5%
1974 -70.5 % change on previous year -170.2%
1975 249.03 % change on previous year -453.2%
1976 76.83 % change on previous year -69.1%
1977 -88.5 % change on previous year -215.2%
1978 64.54 % change on previous year -172.9%
1979 9.52 % change on previous year -85.3%
1980 -14.36 % change on previous year -250.9%
1981 31.26 % change on previous year -317.7%
1982 132.56 % change on previous year +324.0%
1983 51.93 % change on previous year -60.8%
1984 -66.99 % change on previous year -229.0%
1985 -19.98 % change on previous year -70.2%
1986 94.59 % change on previous year -573.4%
1987 -46.56 % change on previous year -149.2%
1988 11.99 % change on previous year -125.7%
1989 147.44 % change on previous year +1130.1%
1990 8.13 % change on previous year -94.5%
1991 -24.36 % change on previous year -399.5%
1992 27.99 % change on previous year -214.9%
1993 -54.7 % change on previous year -295.4%
1994 237.2 % change on previous year -533.6%
1995 1.96 % change on previous year -99.2%
1996 -74.75 % change on previous year -3921.4%
1997 103.55 % change on previous year -238.5%
1998 -32.41 % change on previous year -131.3%
1999 72.08 % change on previous year -322.4%
2000 -40.85 % change on previous year -156.7%
2001 46.78 % change on previous year -214.5%
2002 -14.62 % change on previous year -131.3%
2003 187.83 % change on previous year -1384.6%
2004 -63.17 % change on previous year -133.6%
2005 28.7 % change on previous year -145.4%
2006 66.2 % change on previous year +130.7%
2007 -63.66 % change on previous year -196.2%
2008 -1.26 % change on previous year -98.0%
2009 27.02 % change on previous year -2245.5%
2010 82.78 % change on previous year +206.3%
2011 -52.6 % change on previous year -163.5%
2012 30.16 % change on previous year -157.3%
2013 42.99 % change on previous year +42.6%
2014 -42.96 % change on previous year -199.9%
2015 94.02 % change on previous year -318.9%
2016 -9.7 % change on previous year -110.3%
2017 -16.57 % change on previous year +70.9%
2018 185.48 % change on previous year -1219.7%
2019 -32.98 % change on previous year -117.8%
2020 3.96 % change on previous year -112.0%
2021 -71.16 % change on previous year -1897.2%
2022 268.05 % change on previous year -476.7%
2023 -34.79 % change on previous year -113.0%
2024 -19.49 % change on previous year -44.0%
2025 -25 % change on previous year +28.3%

Biggest year-on-year movements

Years where Cooling and heating degree days - Cities and FUAs — Cooling degree in Bergisch Gladbach 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
1996 -3921.4% 1.96 % change on previous year -74.75 % change on previous year
2009 +2245.5% -1.26 % change on previous year 27.02 % change on previous year
2021 -1897.2% 3.96 % change on previous year -71.16 % change on previous year

Averages by decade

DecadeAverage LowestHighest Years
1950s 95.18 % change on previous year -74.07 % change on previous year 697.47 % change on previous year 9
1960s 41.22 % change on previous year -83.34 % change on previous year 199.22 % change on previous year 10
1970s 30.84 % change on previous year -88.5 % change on previous year 249.03 % change on previous year 10
1980s 32.19 % change on previous year -66.99 % change on previous year 147.44 % change on previous year 10
1990s 26.47 % change on previous year -74.75 % change on previous year 237.2 % change on previous year 10
2000s 17.3 % change on previous year -63.66 % change on previous year 187.83 % change on previous year 10
2010s 28.06 % change on previous year -52.6 % change on previous year 185.48 % change on previous year 10
2020s 20.26 % change on previous year -71.16 % change on previous year 268.05 % change on previous year 6

More reference data data for Bergisch Gladbach

All data for Bergisch Gladbach →

Frequently asked questions

What is cooling and heating degree days - cities and fuas — cooling degree in Bergisch Gladbach?
Cooling and heating degree days - cities and fuas — cooling degree in Bergisch Gladbach was -25 % 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 Bergisch Gladbach?
The highest recorded value was 697.47 % change on previous year in 1957.
What is the lowest cooling and heating degree days - cities and fuas — cooling degree recorded in Bergisch Gladbach?
The lowest recorded value was -88.5 % change on previous year in 1977.
How does Bergisch Gladbach rank for cooling and heating degree days - cities and fuas — cooling degree?
Bergisch Gladbach ranks 434th out of 1306 regions with data for 2025.
Is cooling and heating degree days - cities and fuas — cooling degree rising or falling in Bergisch Gladbach?
Over the last ten years it is down 126.6%. The long-run trend across the full record is volatile.
Where does this Bergisch Gladbach 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 Bergisch Gladbach. Statizoid, drawing on Statizoid (derived). Retrieved 01 October 2026, from https://reference.statizoid.com/stat/cooling-and-heating-degree-days-cities-and-fuas-cooling-degree-days-annual-growth-rate/bergisch-gladbach/

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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/bergisch-gladbach/">Cooling and heating degree days - Cities and FUAs — Cooling degree in Bergisch Gladbach</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.