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

Seoul: Cooling and heating degree days - Cities and FUAs — Change in heating was 12.39 % change on previous year in 2025. ◆ Volatile

Latest (2025)
12.39 % change on previous year
Change on year
up 116.6%
Rank
378th
of 1290 regions
All-time high
653.14 % change on previous year
in 1961
All-time low
-721.62 % change on previous year
in 1998
Years of data
71
1951–2025

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

-5000500195119882025

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

Analysis

In 2025, cooling and heating degree days - cities and fuas — change in heating in Seoul stood at 12.39 % change on previous year.

The figure is up 116.6% on the previous year and up 129.6% over ten years.

Over the whole period, cooling and heating degree days - cities and fuas — change in heating in Seoul peaked at 653.14 % change on previous year in 1961 and was at its lowest, -721.62 % change on previous year, in 1998.

Seoul ranks 378th of 1290 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 — Change in heating in Seoul, 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 Seoul, 1951 to 2025.
Year % change on previous year Change
1951 53.35 % change on previous year
1952 49.08 % change on previous year -8.0%
1953 -24.52 % change on previous year -150.0%
1954 -136.55 % change on previous year +456.9%
1955 290.83 % change on previous year -313.0%
1956 394.42 % change on previous year +35.6%
1957 -39.52 % change on previous year -110.0%
1958 -42.4 % change on previous year +7.3%
1959 -117.06 % change on previous year +176.1%
1960 53.61 % change on previous year -145.8%
1961 653.14 % change on previous year +1118.3%
1962 27.31 % change on previous year -95.8%
1963 200.87 % change on previous year +635.5%
1964 -79.9 % change on previous year -139.8%
1965 301.17 % change on previous year -476.9%
1966 -34.53 % change on previous year -111.5%
1967 78.55 % change on previous year -327.4%
1968 -61.01 % change on previous year -177.7%
1969 351.77 % change on previous year -676.6%
1970 -46.98 % change on previous year -113.4%
1971 -44.19 % change on previous year -5.9%
1972 -117.06 % change on previous year +164.9%
1973 151.35 % change on previous year -229.3%
1975 -138.59 % change on previous year -191.6%
1976 278.3 % change on previous year -300.8%
1977 -88.39 % change on previous year -131.8%
1978 -71.11 % change on previous year -19.6%
1980 411.77 % change on previous year -679.1%
1981 20.31 % change on previous year -95.1%
1982 -119.72 % change on previous year -689.5%
1983 127.67 % change on previous year -206.6%
1985 -15.34 % change on previous year -112.0%
1986 -1.94 % change on previous year -87.4%
1987 -80.74 % change on previous year +4063.0%
1988 63.66 % change on previous year -178.8%
1989 -367.01 % change on previous year -676.5%
1990 36.23 % change on previous year -109.9%
1991 142.54 % change on previous year +293.4%
1992 -240.03 % change on previous year -268.4%
1993 89.76 % change on previous year -137.4%
1995 116.92 % change on previous year +30.3%
1996 400.86 % change on previous year +242.9%
1997 -132.22 % change on previous year -133.0%
1998 -721.62 % change on previous year +445.8%
1999 61.06 % change on previous year -108.5%
2000 150.37 % change on previous year +146.3%
2001 74.41 % change on previous year -50.5%
2002 -169.95 % change on previous year -328.4%
2003 -86.2 % change on previous year -49.3%
2004 -16.43 % change on previous year -80.9%
2005 188.49 % change on previous year -1247.4%
2006 -207.72 % change on previous year -210.2%
2007 -38.03 % change on previous year -81.7%
2008 44.08 % change on previous year -215.9%
2009 8.25 % change on previous year -81.3%
2010 265.42 % change on previous year +3118.2%
2011 -37.63 % change on previous year -114.2%
2012 91.39 % change on previous year -342.9%
2013 -17.85 % change on previous year -119.5%
2014 -198.43 % change on previous year +1011.9%
2015 -41.91 % change on previous year -78.9%
2016 36.23 % change on previous year -186.4%
2017 68.73 % change on previous year +89.7%
2018 215.47 % change on previous year +213.5%
2019 -434.59 % change on previous year -301.7%
2020 -12.06 % change on previous year -97.2%
2021 -4.88 % change on previous year -59.5%
2022 74.72 % change on previous year -1630.0%
2023 -155.61 % change on previous year -308.3%
2024 -74.57 % change on previous year -52.1%
2025 12.39 % change on previous year -116.6%

Averages by decade

DecadeAverage LowestHighest Years
1950s 47.51 % change on previous year -136.55 % change on previous year 394.42 % change on previous year 9
1960s 149.1 % change on previous year -79.9 % change on previous year 653.14 % change on previous year 10
1970s -9.58 % change on previous year -138.59 % change on previous year 278.3 % change on previous year 8
1980s 4.3 % change on previous year -367.01 % change on previous year 411.77 % change on previous year 9
1990s -27.39 % change on previous year -721.62 % change on previous year 400.86 % change on previous year 9
2000s -5.27 % change on previous year -207.72 % change on previous year 188.49 % change on previous year 10
2010s -5.32 % change on previous year -434.59 % change on previous year 265.42 % change on previous year 10
2020s -26.67 % change on previous year -155.61 % change on previous year 74.72 % change on previous year 6

More reference data data for Seoul

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Frequently asked questions

What is cooling and heating degree days - cities and fuas — change in heating in Seoul?
Cooling and heating degree days - cities and fuas — change in heating in Seoul was 12.39 % 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 Seoul?
The highest recorded value was 653.14 % change on previous year in 1961.
What is the lowest cooling and heating degree days - cities and fuas — change in heating recorded in Seoul?
The lowest recorded value was -721.62 % change on previous year in 1998.
How does Seoul rank for cooling and heating degree days - cities and fuas — change in heating?
Seoul ranks 378th out of 1290 regions with data for 2025.
Is cooling and heating degree days - cities and fuas — change in heating rising or falling in Seoul?
Over the last ten years it is up 129.6%. The long-run trend across the full record is volatile.
Where does this Seoul 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 Seoul. 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/seoul/

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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/seoul/">Cooling and heating degree days - Cities and FUAs — Change in heating in Seoul</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.