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

Firenze: Cooling and heating degree days - Cities and FUAs — Change in cooling was -108.78 % change on previous year in 2025. ◆ Volatile

Latest (2025)
-108.78 % change on previous year
Change on year
down 2,981.4%
Rank
563rd
of 1306 regions
All-time high
936.63 % change on previous year
in 1993
All-time low
-862.66 % change on previous year
in 1965
Years of data
70
1951–2025

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

-1.0k-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 Firenze is -108.78 % change on previous year, measured in 2025.

Compared with earlier readings it is down 2,981.4% on the previous year and down 141.6% over ten years.

Over the whole period, cooling and heating degree days - cities and fuas — change in cooling in Firenze peaked at 936.63 % change on previous year in 1993 and was at its lowest, -862.66 % change on previous year, in 1965.

Firenze ranks 563rd 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 — Change in cooling in Firenze, 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 Firenze, 1951 to 2025.
Year % change on previous year Change
1951 -137.44 % change on previous year
1952 374.38 % change on previous year -372.4%
1953 -128.49 % change on previous year -134.3%
1954 -186.97 % change on previous year +45.5%
1955 39.8 % change on previous year -121.3%
1956 29.1 % change on previous year -26.9%
1957 -138.62 % change on previous year -576.4%
1958 113.78 % change on previous year -182.1%
1959 -238.12 % change on previous year -309.3%
1960 -370.06 % change on previous year +55.4%
1961 118.48 % change on previous year -132.0%
1962 364.74 % change on previous year +207.9%
1963 -185.54 % change on previous year -150.9%
1964 84.2 % change on previous year -145.4%
1965 -862.66 % change on previous year -1124.6%
1966 5.26 % change on previous year -100.6%
1967 78.08 % change on previous year +1383.5%
1968 -543.14 % change on previous year -795.7%
1969 48.46 % change on previous year -108.9%
1970 100.94 % change on previous year +108.3%
1972 -307.13 % change on previous year -404.3%
1973 83.75 % change on previous year -127.3%
1974 -45.37 % change on previous year -154.2%
1975 -61.17 % change on previous year +34.8%
1976 -148.8 % change on previous year +143.3%
1977 -26.84 % change on previous year -82.0%
1978 8.33 % change on previous year -131.0%
1979 64.28 % change on previous year +671.8%
1980 -146.59 % change on previous year -328.1%
1981 3.55 % change on previous year -102.4%
1982 80.82 % change on previous year +2175.2%
1983 65 % change on previous year -19.6%
1985 127.91 % change on previous year +96.8%
1986 -229.51 % change on previous year -279.4%
1987 78.26 % change on previous year -134.1%
1988 152.1 % change on previous year +94.3%
1990 55.74 % change on previous year -63.4%
1991 128.23 % change on previous year +130.0%
1992 -85.92 % change on previous year -167.0%
1993 936.63 % change on previous year -1190.1%
1994 416.1 % change on previous year -55.6%
1995 -153.75 % change on previous year -136.9%
1996 -101.25 % change on previous year -34.1%
1997 75.85 % change on previous year -174.9%
1998 385.74 % change on previous year +408.6%
1999 -115.62 % change on previous year -130.0%
2000 290.39 % change on previous year -351.1%
2001 -168.58 % change on previous year -158.1%
2002 -306.65 % change on previous year +81.9%
2003 649.65 % change on previous year -311.9%
2004 -99.09 % change on previous year -115.3%
2005 301.95 % change on previous year -404.7%
2006 701.84 % change on previous year +132.4%
2007 -99.32 % change on previous year -114.2%
2010 -141.8 % change on previous year +42.8%
2011 370.21 % change on previous year -361.1%
2012 14.94 % change on previous year -96.0%
2013 -61.58 % change on previous year -512.3%
2014 -287.1 % change on previous year +366.2%
2015 261.63 % change on previous year -191.1%
2016 -44.87 % change on previous year -117.1%
2017 63.18 % change on previous year -240.8%
2018 0.9669 % change on previous year -98.5%
2019 -1.61 % change on previous year -266.6%
2020 -32.98 % change on previous year +1946.8%
2021 11.19 % change on previous year -133.9%
2022 110.07 % change on previous year +883.8%
2023 7.48 % change on previous year -93.2%
2024 3.78 % change on previous year -49.5%
2025 -108.78 % change on previous year -2981.4%

Averages by decade

DecadeAverage LowestHighest Years
1950s -30.29 % change on previous year -238.12 % change on previous year 374.38 % change on previous year 9
1960s -126.22 % change on previous year -862.66 % change on previous year 364.74 % change on previous year 10
1970s -36.89 % change on previous year -307.13 % change on previous year 100.94 % change on previous year 9
1980s 16.44 % change on previous year -229.51 % change on previous year 152.1 % change on previous year 8
1990s 154.18 % change on previous year -153.75 % change on previous year 936.63 % change on previous year 10
2000s 158.77 % change on previous year -306.65 % change on previous year 701.84 % change on previous year 8
2010s 17.4 % change on previous year -287.1 % change on previous year 370.21 % change on previous year 10
2020s -1.54 % change on previous year -108.78 % change on previous year 110.07 % change on previous year 6

More reference data data for Firenze

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Frequently asked questions

What is cooling and heating degree days - cities and fuas — change in cooling in Firenze?
Cooling and heating degree days - cities and fuas — change in cooling in Firenze was -108.78 % 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 Firenze?
The highest recorded value was 936.63 % change on previous year in 1993.
What is the lowest cooling and heating degree days - cities and fuas — change in cooling recorded in Firenze?
The lowest recorded value was -862.66 % change on previous year in 1965.
How does Firenze rank for cooling and heating degree days - cities and fuas — change in cooling?
Firenze ranks 563rd out of 1306 regions with data for 2025.
Is cooling and heating degree days - cities and fuas — change in cooling rising or falling in Firenze?
Over the last ten years it is down 141.6%. The long-run trend across the full record is volatile.
Where does this Firenze 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 Firenze. Statizoid, drawing on Statizoid (derived). Retrieved 07 September 2026, from https://reference.statizoid.com/stat/cooling-and-heating-degree-days-cities-and-fuas-change-in-cooling-degree-days-from-1981-2/firenze/

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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.