Cooling and heating degree days - Cities and FUAs — Change in cooling in Wellington

Wellington: Cooling and heating degree days - Cities and FUAs — Change in cooling was -517.17 % change on previous year in 2025. ◆ Volatile

Latest (2025)
-517.17 % change on previous year
Change on year
down 363.2%
Rank
1262nd
of 1306 regions
All-time high
928.99 % change on previous year
in 2013
All-time low
-517.17 % change on previous year
in 2025
Years of data
71
1951–2025

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

-50005001.0k195119882025

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 cooling in Wellington is -517.17 % change on previous year, measured in 2025. That is the lowest value across all 71 years on record.

The figure is down 363.2% on the previous year and down 232.0% over ten years.

Over the whole period, cooling and heating degree days - cities and fuas — change in cooling in Wellington peaked at 928.99 % change on previous year in 2013 and was at its lowest, -517.17 % change on previous year, in 2025.

Wellington ranks 1262nd of 1306 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 cooling in Wellington, year by year

Annual values for Cooling and heating degree days - Cities and FUAs — Change in cooling degree days from 1981–2010 period to 2020–24 period, annual growth rate in Wellington, 1951 to 2025.
Year % change on previous year Change
1951 9.8 % change on previous year
1952 157.7 % change on previous year +1508.7%
1953 -260.96 % change on previous year -265.5%
1954 275.05 % change on previous year -205.4%
1955 -115.09 % change on previous year -141.8%
1956 633.05 % change on previous year -650.1%
1957 -52.85 % change on previous year -108.3%
1958 -92.8 % change on previous year +75.6%
1960 -84.75 % change on previous year -8.7%
1961 -429.03 % change on previous year +406.2%
1962 135.16 % change on previous year -131.5%
1963 -470.4 % change on previous year -448.0%
1964 70.5 % change on previous year -115.0%
1965 -202.11 % change on previous year -386.7%
1966 18.29 % change on previous year -109.1%
1967 -41.18 % change on previous year -325.1%
1968 244.25 % change on previous year -693.2%
1969 -174.14 % change on previous year -171.3%
1970 46.6 % change on previous year -126.8%
1971 334.07 % change on previous year +616.9%
1972 -179.74 % change on previous year -153.8%
1973 83.26 % change on previous year -146.3%
1974 231.06 % change on previous year +177.5%
1976 -116.77 % change on previous year -150.5%
1977 20.94 % change on previous year -117.9%
1978 134.32 % change on previous year +541.4%
1979 -408.31 % change on previous year -404.0%
1980 -19.54 % change on previous year -95.2%
1981 332.2 % change on previous year -1800.2%
1982 -108.59 % change on previous year -132.7%
1983 -401.27 % change on previous year +269.5%
1984 2.67 % change on previous year -100.7%
1985 208.06 % change on previous year +7705.4%
1986 -186.73 % change on previous year -189.7%
1987 24.96 % change on previous year -113.4%
1988 345.98 % change on previous year +1286.4%
1989 41.65 % change on previous year -88.0%
1990 -124.45 % change on previous year -398.8%
1991 -52.34 % change on previous year -57.9%
1992 -6.35 % change on previous year -87.9%
1993 -5.84 % change on previous year -7.9%
1994 122.08 % change on previous year -2188.9%
1995 307.5 % change on previous year +151.9%
1996 -211.14 % change on previous year -168.7%
1997 0 % change on previous year -100.0%
1998 41.95 % change on previous year
1999 170.17 % change on previous year +305.7%
2000 -343.54 % change on previous year -301.9%
2001 17.52 % change on previous year -105.1%
2002 -21.54 % change on previous year -222.9%
2003 52.26 % change on previous year -342.6%
2004 14.83 % change on previous year -71.6%
2005 553.37 % change on previous year +3630.8%
2006 -118.85 % change on previous year -121.5%
2007 121.21 % change on previous year -202.0%
2009 -111 % change on previous year -191.6%
2010 -99.44 % change on previous year -10.4%
2011 34.08 % change on previous year -134.3%
2012 137.19 % change on previous year +302.6%
2013 928.99 % change on previous year +577.1%
2014 -126.84 % change on previous year -113.7%
2015 391.81 % change on previous year -408.9%
2016 -15.48 % change on previous year -104.0%
2017 -117.72 % change on previous year +660.4%
2019 -50.7 % change on previous year -56.9%
2020 -122.3 % change on previous year +141.2%
2021 -17.41 % change on previous year -85.8%
2022 305.44 % change on previous year -1854.7%
2023 -114.73 % change on previous year -137.6%
2024 196.51 % change on previous year -271.3%
2025 -517.17 % change on previous year -363.2%

Averages by decade

DecadeAverage LowestHighest Years
1950s 69.24 % change on previous year -260.96 % change on previous year 633.05 % change on previous year 8
1960s -93.34 % change on previous year -470.4 % change on previous year 244.25 % change on previous year 10
1970s 16.16 % change on previous year -408.31 % change on previous year 334.07 % change on previous year 9
1980s 23.94 % change on previous year -401.27 % change on previous year 345.98 % change on previous year 10
1990s 24.16 % change on previous year -211.14 % change on previous year 307.5 % change on previous year 10
2000s 18.25 % change on previous year -343.54 % change on previous year 553.37 % change on previous year 9
2010s 120.21 % change on previous year -126.84 % change on previous year 928.99 % change on previous year 9
2020s -44.94 % change on previous year -517.17 % change on previous year 305.44 % change on previous year 6

More reference data data for Wellington

All data for Wellington →

Frequently asked questions

What is cooling and heating degree days - cities and fuas — change in cooling in Wellington?
Cooling and heating degree days - cities and fuas — change in cooling in Wellington was -517.17 % change on previous year in 2025, according to Statizoid (derived).
What is the highest cooling and heating degree days - cities and fuas — change in cooling recorded in Wellington?
The highest recorded value was 928.99 % change on previous year in 2013.
What is the lowest cooling and heating degree days - cities and fuas — change in cooling recorded in Wellington?
The lowest recorded value was -517.17 % change on previous year in 2025.
How does Wellington rank for cooling and heating degree days - cities and fuas — change in cooling?
Wellington ranks 1262nd out of 1306 regions with data for 2025.
Is cooling and heating degree days - cities and fuas — change in cooling rising or falling in Wellington?
Over the last ten years it is down 232.0%. The long-run trend across the full record is volatile.
Where does this Wellington data come from?
The figures come from Statizoid (derived), published as part of Cooling and heating degree days - Cities and FUAs — Change in cooling 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 cooling in Wellington. 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-cooling-degree-days-from-1981-2/wellington/

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

How this figure is calculated

The year-on-year percentage change in Cooling and heating degree days - Cities and FUAs — Change in cooling 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 cooling 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
1,324 places, 93,596 data points, 1951–2025
Last refreshed

The year-on-year percentage change in Cooling and heating degree days - Cities and FUAs — Change in cooling 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.