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

Olsztyn: Cooling and heating degree days - Cities and FUAs — Cooling degree was -98.3 % change on previous year in 2025. ◆ Volatile

Latest (2025)
-98.3 % change on previous year
Change on year
down 540.7%
Rank
1215th
of 1306 regions
All-time high
690.58 % change on previous year
in 1963
All-time low
-98.3 % change on previous year
in 2025
Years of data
75
1951–2025

Cooling and heating degree days - Cities and FUAs — Cooling degree in Olsztyn, 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 Olsztyn stood at -98.3 % change on previous year. That is the lowest value across all 75 years on record.

Compared with earlier readings it is down 540.7% on the previous year and down 580.3% over ten years.

Over the whole period, cooling and heating degree days - cities and fuas — cooling degree in Olsztyn peaked at 690.58 % change on previous year in 1963 and was at its lowest, -98.3 % change on previous year, in 2025.

That places Olsztyn 1215th out of 1306 regions with data for 2025, putting it 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 — Cooling degree in Olsztyn, year by year

Annual values for Cooling and heating degree days - Cities and FUAs — Cooling degree days, annual growth rate in Olsztyn, 1951 to 2025.
Year % change on previous year Change
1951 152.64 % change on previous year
1952 -40.4 % change on previous year -126.5%
1953 45.88 % change on previous year -213.6%
1954 -52.03 % change on previous year -213.4%
1955 91.24 % change on previous year -275.3%
1956 -66.84 % change on previous year -173.3%
1957 16.28 % change on previous year -124.3%
1958 4.32 % change on previous year -73.5%
1959 225.24 % change on previous year +5114.8%
1960 -77.85 % change on previous year -134.6%
1961 30.67 % change on previous year -139.4%
1962 -60.1 % change on previous year -296.0%
1963 690.58 % change on previous year -1249.1%
1964 -18.01 % change on previous year -102.6%
1965 -65.54 % change on previous year +263.9%
1966 94.08 % change on previous year -243.5%
1967 -15.01 % change on previous year -116.0%
1968 75.73 % change on previous year -604.7%
1969 -40.73 % change on previous year -153.8%
1970 -37.26 % change on previous year -8.5%
1971 281.71 % change on previous year -856.2%
1972 -35.59 % change on previous year -112.6%
1973 -29.88 % change on previous year -16.0%
1974 -64.24 % change on previous year +115.0%
1975 360.91 % change on previous year -661.8%
1976 -54.14 % change on previous year -115.0%
1977 -29.92 % change on previous year -44.7%
1978 10.78 % change on previous year -136.0%
1979 106.71 % change on previous year +889.5%
1980 -79.55 % change on previous year -174.5%
1981 208.79 % change on previous year -362.5%
1982 70.94 % change on previous year -66.0%
1983 8.06 % change on previous year -88.6%
1984 -65.03 % change on previous year -907.1%
1985 60.85 % change on previous year -193.6%
1986 33.76 % change on previous year -44.5%
1987 -68.62 % change on previous year -303.3%
1988 130.32 % change on previous year -289.9%
1989 61.78 % change on previous year -52.6%
1990 -50.04 % change on previous year -181.0%
1991 58.3 % change on previous year -216.5%
1992 120.03 % change on previous year +105.9%
1993 -62.32 % change on previous year -151.9%
1994 274.32 % change on previous year -540.2%
1995 -44.72 % change on previous year -116.3%
1996 -41.7 % change on previous year -6.7%
1997 18.78 % change on previous year -145.0%
1998 -34.15 % change on previous year -281.8%
1999 56.32 % change on previous year -264.9%
2000 -13.17 % change on previous year -123.4%
2001 26.64 % change on previous year -302.3%
2002 162.66 % change on previous year +510.5%
2003 -56.64 % change on previous year -134.8%
2004 -57.32 % change on previous year +1.2%
2005 154.82 % change on previous year -370.1%
2006 70.63 % change on previous year -54.4%
2007 -35.92 % change on previous year -150.9%
2008 -40.21 % change on previous year +12.0%
2009 -16.2 % change on previous year -59.7%
2010 203.76 % change on previous year -1357.9%
2011 -54.19 % change on previous year -126.6%
2012 36.15 % change on previous year -166.7%
2013 14.31 % change on previous year -60.4%
2014 31.71 % change on previous year +121.6%
2015 20.47 % change on previous year -35.5%
2016 -40.96 % change on previous year -300.1%
2017 -54.29 % change on previous year +32.6%
2018 304.01 % change on previous year -659.9%
2019 -7.5 % change on previous year -102.5%
2020 -38.38 % change on previous year +411.6%
2021 29.8 % change on previous year -177.6%
2022 35.14 % change on previous year +17.9%
2023 -12.56 % change on previous year -135.7%
2024 22.3 % change on previous year -277.6%
2025 -98.3 % change on previous year -540.7%

Averages by decade

DecadeAverage LowestHighest Years
1950s 41.81 % change on previous year -66.84 % change on previous year 225.24 % change on previous year 9
1960s 61.38 % change on previous year -77.85 % change on previous year 690.58 % change on previous year 10
1970s 50.91 % change on previous year -64.24 % change on previous year 360.91 % change on previous year 10
1980s 36.13 % change on previous year -79.55 % change on previous year 208.79 % change on previous year 10
1990s 29.48 % change on previous year -62.32 % change on previous year 274.32 % change on previous year 10
2000s 19.53 % change on previous year -57.32 % change on previous year 162.66 % change on previous year 10
2010s 45.35 % change on previous year -54.29 % change on previous year 304.01 % change on previous year 10
2020s -10.34 % change on previous year -98.3 % change on previous year 35.14 % change on previous year 6

More reference data data for Olsztyn

All data for Olsztyn →

Frequently asked questions

What is cooling and heating degree days - cities and fuas — cooling degree in Olsztyn?
Cooling and heating degree days - cities and fuas — cooling degree in Olsztyn was -98.3 % 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 Olsztyn?
The highest recorded value was 690.58 % change on previous year in 1963.
What is the lowest cooling and heating degree days - cities and fuas — cooling degree recorded in Olsztyn?
The lowest recorded value was -98.3 % change on previous year in 2025.
How does Olsztyn rank for cooling and heating degree days - cities and fuas — cooling degree?
Olsztyn ranks 1215th out of 1306 regions with data for 2025.
Is cooling and heating degree days - cities and fuas — cooling degree rising or falling in Olsztyn?
Over the last ten years it is down 580.3%. The long-run trend across the full record is volatile.
Where does this Olsztyn 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 Olsztyn. Statizoid, drawing on Statizoid (derived). Retrieved 06 September 2026, from https://reference.statizoid.com/stat/cooling-and-heating-degree-days-cities-and-fuas-cooling-degree-days-annual-growth-rate/olsztyn/

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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/olsztyn/">Cooling and heating degree days - Cities and FUAs — Cooling degree in Olsztyn</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.