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

Varna: Cooling and heating degree days - Cities and FUAs — Change in cooling was -73.58 % change on previous year in 2025. ◆ Volatile

Latest (2025)
-73.58 % change on previous year
Change on year
down 244.5%
Rank
393rd
of 1306 regions
All-time high
410.49 % change on previous year
in 2006
All-time low
-370 % change on previous year
in 1976
Years of data
74
1951–2025

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

-400-2000200400195119882025

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

Analysis

In 2025, cooling and heating degree days - cities and fuas — change in cooling in Varna stood at -73.58 % change on previous year.

The figure is down 244.5% on the previous year and down 124.0% over ten years.

Over the whole period, cooling and heating degree days - cities and fuas — change in cooling in Varna peaked at 410.49 % change on previous year in 2006 and was at its lowest, -370 % change on previous year, in 1976.

That places Varna 393rd 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 — Change in cooling in Varna, 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 Varna, 1951 to 2025.
Year % change on previous year Change
1951 -23.23 % change on previous year
1952 -6.94 % change on previous year -70.1%
1953 -95.31 % change on previous year +1272.9%
1955 -220.76 % change on previous year +131.6%
1956 55.15 % change on previous year -125.0%
1957 150.31 % change on previous year +172.6%
1958 -141.97 % change on previous year -194.5%
1959 -122.22 % change on previous year -13.9%
1960 -243.39 % change on previous year +99.1%
1961 37.82 % change on previous year -115.5%
1962 218.74 % change on previous year +478.4%
1963 17.96 % change on previous year -91.8%
1964 -257.73 % change on previous year -1535.1%
1965 24.49 % change on previous year -109.5%
1966 65.9 % change on previous year +169.0%
1967 -114.14 % change on previous year -273.2%
1968 -40.36 % change on previous year -64.6%
1969 7.61 % change on previous year -118.8%
1970 61.16 % change on previous year +704.1%
1971 -188.6 % change on previous year -408.4%
1972 66.92 % change on previous year -135.5%
1973 -322.85 % change on previous year -582.5%
1974 30.11 % change on previous year -109.3%
1975 58.77 % change on previous year +95.2%
1976 -370 % change on previous year -729.6%
1977 52.12 % change on previous year -114.1%
1978 -91.16 % change on previous year -274.9%
1979 36.01 % change on previous year -139.5%
1980 -18.63 % change on previous year -151.7%
1981 21.05 % change on previous year -213.0%
1982 -27.14 % change on previous year -228.9%
1983 2.79 % change on previous year -110.3%
1984 -2.81 % change on previous year -200.9%
1985 41.76 % change on previous year -1584.8%
1986 52.65 % change on previous year +26.1%
1987 -71.35 % change on previous year -235.5%
1988 172.71 % change on previous year -342.1%
1989 -308.6 % change on previous year -278.7%
1990 44.65 % change on previous year -114.5%
1991 -104.59 % change on previous year -334.2%
1992 60.85 % change on previous year -158.2%
1993 -94.88 % change on previous year -255.9%
1994 190.39 % change on previous year -300.7%
1995 -181 % change on previous year -195.1%
1996 13.38 % change on previous year -107.4%
1997 -145.41 % change on previous year -1186.6%
1998 129.36 % change on previous year -189.0%
1999 44.04 % change on previous year -66.0%
2000 130.02 % change on previous year +195.3%
2001 60.02 % change on previous year -53.8%
2002 -65.07 % change on previous year -208.4%
2003 11.5 % change on previous year -117.7%
2004 -238.67 % change on previous year -2174.9%
2005 81.15 % change on previous year -134.0%
2006 410.49 % change on previous year +405.8%
2007 358.78 % change on previous year -12.6%
2008 -65.83 % change on previous year -118.3%
2009 -17.92 % change on previous year -72.8%
2010 159.57 % change on previous year -990.5%
2011 -64.79 % change on previous year -140.6%
2012 369.27 % change on previous year -670.0%
2013 -68.21 % change on previous year -118.5%
2014 -77.09 % change on previous year +13.0%
2015 306.41 % change on previous year -497.5%
2016 67.46 % change on previous year -78.0%
2017 -20.45 % change on previous year -130.3%
2018 -35.61 % change on previous year +74.2%
2019 48.09 % change on previous year -235.0%
2020 -0.4925 % change on previous year -101.0%
2021 -5.53 % change on previous year +1022.9%
2022 59.53 % change on previous year -1176.4%
2023 32.5 % change on previous year -45.4%
2024 50.94 % change on previous year +56.7%
2025 -73.58 % change on previous year -244.5%

Averages by decade

DecadeAverage LowestHighest Years
1950s -50.62 % change on previous year -220.76 % change on previous year 150.31 % change on previous year 8
1960s -28.31 % change on previous year -257.73 % change on previous year 218.74 % change on previous year 10
1970s -66.75 % change on previous year -370 % change on previous year 66.92 % change on previous year 10
1980s -13.76 % change on previous year -308.6 % change on previous year 172.71 % change on previous year 10
1990s -4.32 % change on previous year -181 % change on previous year 190.39 % change on previous year 10
2000s 66.45 % change on previous year -238.67 % change on previous year 410.49 % change on previous year 10
2010s 68.47 % change on previous year -77.09 % change on previous year 369.27 % change on previous year 10
2020s 10.56 % change on previous year -73.58 % change on previous year 59.53 % change on previous year 6

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Frequently asked questions

What is cooling and heating degree days - cities and fuas — change in cooling in Varna?
Cooling and heating degree days - cities and fuas — change in cooling in Varna was -73.58 % 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 Varna?
The highest recorded value was 410.49 % change on previous year in 2006.
What is the lowest cooling and heating degree days - cities and fuas — change in cooling recorded in Varna?
The lowest recorded value was -370 % change on previous year in 1976.
How does Varna rank for cooling and heating degree days - cities and fuas — change in cooling?
Varna ranks 393rd out of 1306 regions with data for 2025.
Is cooling and heating degree days - cities and fuas — change in cooling rising or falling in Varna?
Over the last ten years it is down 124.0%. The long-run trend across the full record is volatile.
Where does this Varna 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 Varna. Statizoid, drawing on Statizoid (derived). Retrieved 08 September 2026, from https://reference.statizoid.com/stat/cooling-and-heating-degree-days-cities-and-fuas-change-in-cooling-degree-days-from-1981-2/varna/

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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.