Cooling and heating degree days - Cities and FUAs — Cooling degree in Köln

Köln: Cooling and heating degree days - Cities and FUAs — Cooling degree was -35.98 % change on previous year in 2025. ◆ Volatile

Latest (2025)
-35.98 % change on previous year
Change on year
down 99.8%
Rank
608th
of 1306 regions
All-time high
617.48 % change on previous year
in 1957
All-time low
-87.92 % change on previous year
in 1977
Years of data
75
1951–2025

Cooling and heating degree days - Cities and FUAs — Cooling degree in Köln, 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 Köln stood at -35.98 % change on previous year.

That represents a change of down 99.8% on the previous year and down 137.8% over ten years.

Over the whole period, cooling and heating degree days - cities and fuas — cooling degree in Köln peaked at 617.48 % change on previous year in 1957 and was at its lowest, -87.92 % change on previous year, in 1977.

That places Köln 608th out of 1306 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 — Cooling degree in Köln, year by year

Annual values for Cooling and heating degree days - Cities and FUAs — Cooling degree days, annual growth rate in Köln, 1951 to 2025.
Year % change on previous year Change
1951 -26.8 % change on previous year
1952 108.01 % change on previous year -503.1%
1953 -36.11 % change on previous year -133.4%
1954 -59.6 % change on previous year +65.0%
1955 89.03 % change on previous year -249.4%
1956 -73.51 % change on previous year -182.6%
1957 617.48 % change on previous year -940.0%
1958 -52.26 % change on previous year -108.5%
1959 185.7 % change on previous year -455.4%
1960 -78.44 % change on previous year -142.2%
1961 114.42 % change on previous year -245.9%
1962 -61.78 % change on previous year -154.0%
1963 66.87 % change on previous year -208.2%
1964 166.32 % change on previous year +148.7%
1965 -82.85 % change on previous year -149.8%
1966 181.59 % change on previous year -319.2%
1967 8.59 % change on previous year -95.3%
1968 -37.23 % change on previous year -533.6%
1969 123.75 % change on previous year -432.4%
1970 -33.08 % change on previous year -126.7%
1971 22.14 % change on previous year -166.9%
1972 -26.96 % change on previous year -221.8%
1973 105.89 % change on previous year -492.8%
1974 -68.29 % change on previous year -164.5%
1975 225.27 % change on previous year -429.9%
1976 73.94 % change on previous year -67.2%
1977 -87.92 % change on previous year -218.9%
1978 61.67 % change on previous year -170.1%
1979 10.67 % change on previous year -82.7%
1980 -11.67 % change on previous year -209.3%
1981 26.66 % change on previous year -328.6%
1982 134.91 % change on previous year +406.0%
1983 42.65 % change on previous year -68.4%
1984 -64.08 % change on previous year -250.3%
1985 -16.98 % change on previous year -73.5%
1986 75.82 % change on previous year -546.5%
1987 -42.52 % change on previous year -156.1%
1988 8.49 % change on previous year -120.0%
1989 142.63 % change on previous year +1580.0%
1990 8.53 % change on previous year -94.0%
1991 -22.91 % change on previous year -368.7%
1992 25.06 % change on previous year -209.4%
1993 -53.94 % change on previous year -315.3%
1994 222.96 % change on previous year -513.4%
1995 1.86 % change on previous year -99.2%
1996 -72.36 % change on previous year -3987.1%
1997 92.82 % change on previous year -228.3%
1998 -31.7 % change on previous year -134.2%
1999 70.16 % change on previous year -321.3%
2000 -40.99 % change on previous year -158.4%
2001 54.14 % change on previous year -232.1%
2002 -19.88 % change on previous year -136.7%
2003 192.74 % change on previous year -1069.4%
2004 -62.19 % change on previous year -132.3%
2005 24.03 % change on previous year -138.6%
2006 63.6 % change on previous year +164.7%
2007 -62.08 % change on previous year -197.6%
2008 -3.25 % change on previous year -94.8%
2009 33.54 % change on previous year -1132.9%
2010 64.67 % change on previous year +92.8%
2011 -48.58 % change on previous year -175.1%
2012 29.62 % change on previous year -161.0%
2013 35.43 % change on previous year +19.6%
2014 -41.31 % change on previous year -216.6%
2015 95.24 % change on previous year -330.5%
2016 -8.07 % change on previous year -108.5%
2017 -14.65 % change on previous year +81.5%
2018 163.87 % change on previous year -1218.5%
2019 -32.07 % change on previous year -119.6%
2020 2.32 % change on previous year -107.2%
2021 -70.15 % change on previous year -3122.7%
2022 244.69 % change on previous year -448.8%
2023 -32.2 % change on previous year -113.2%
2024 -18 % change on previous year -44.1%
2025 -35.98 % change on previous year +99.8%

Averages by decade

DecadeAverage LowestHighest Years
1950s 83.55 % change on previous year -73.51 % change on previous year 617.48 % change on previous year 9
1960s 40.12 % change on previous year -82.85 % change on previous year 181.59 % change on previous year 10
1970s 28.33 % change on previous year -87.92 % change on previous year 225.27 % change on previous year 10
1980s 29.59 % change on previous year -64.08 % change on previous year 142.63 % change on previous year 10
1990s 24.05 % change on previous year -72.36 % change on previous year 222.96 % change on previous year 10
2000s 17.97 % change on previous year -62.19 % change on previous year 192.74 % change on previous year 10
2010s 24.41 % change on previous year -48.58 % change on previous year 163.87 % change on previous year 10
2020s 15.11 % change on previous year -70.15 % change on previous year 244.69 % change on previous year 6

More reference data data for Köln

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Frequently asked questions

What is cooling and heating degree days - cities and fuas — cooling degree in Köln?
Cooling and heating degree days - cities and fuas — cooling degree in Köln was -35.98 % 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 Köln?
The highest recorded value was 617.48 % change on previous year in 1957.
What is the lowest cooling and heating degree days - cities and fuas — cooling degree recorded in Köln?
The lowest recorded value was -87.92 % change on previous year in 1977.
How does Köln rank for cooling and heating degree days - cities and fuas — cooling degree?
Köln ranks 608th out of 1306 regions with data for 2025.
Is cooling and heating degree days - cities and fuas — cooling degree rising or falling in Köln?
Over the last ten years it is down 137.8%. The long-run trend across the full record is volatile.
Where does this Köln 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 Köln. Statizoid, drawing on Statizoid (derived). Retrieved 08 September 2026, from https://reference.statizoid.com/stat/cooling-and-heating-degree-days-cities-and-fuas-cooling-degree-days-annual-growth-rate/koln/

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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/koln/">Cooling and heating degree days - Cities and FUAs — Cooling degree in Köln</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.