Slovenia vs United Kingdom: Cooling and heating degree days - Regions

Slovenia
2,087 Degree days
in 2023
United Kingdom
2,020 Degree days
in 2023
Slovenia rank
17th
United Kingdom rank
20th

Cooling and heating degree days - Regions over time

  • Slovenia
  • United Kingdom
01.0k2.0k3.0k198120022023

How they compare

Slovenia currently reports 2,087 Degree days against 2,020 Degree days in United Kingdom, a difference of 67 Degree days.

The two have swapped places 10 times across 43 shared years of data; in 1981 it was Slovenia ahead.

Slovenia ranks 17th and United Kingdom ranks 20th of 48 countries.

Slovenia has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade Slovenia United Kingdom Difference Ahead
1980s 2,656 Degree days 2,482 Degree days 174.16 Degree days Slovenia
1990s 2,519 Degree days 2,327 Degree days 191.92 Degree days Slovenia
2000s 2,412 Degree days 2,229 Degree days 183.14 Degree days Slovenia
2010s 2,297 Degree days 2,282 Degree days 14.79 Degree days Slovenia
2020s 2,206 Degree days 2,087 Degree days 119.15 Degree days Slovenia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher cooling and heating degree days - regions, Slovenia or United Kingdom?
Slovenia, at 2,087 Degree days against 2,020 Degree days in United Kingdom as of 2023.
What is the difference in cooling and heating degree days - regions between Slovenia and United Kingdom?
67 Degree days, with Slovenia ahead.
How many years of comparable data are there for Slovenia and United Kingdom?
43 years are reported by both, from 1981 to 2023.
How do Slovenia and United Kingdom rank globally for cooling and heating degree days - regions?
Slovenia ranks 17th and United Kingdom ranks 20th of 48 countries.
Where does this data come from?
Organisation for Economic Co-operation and Development, published as Cooling and heating degree days - Regions. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Slovenia vs United Kingdom: Cooling and heating degree days - Regions. Statizoid, drawing on Organisation for Economic Co-operation and Development. Retrieved 17 August 2026, from https://reference.statizoid.com/compare/cooling-and-heating-degree-days-regions/slovenia/united-kingdom/

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About this data

Indicator
Cooling and heating degree days - Regions
Unit
Degree days
Source
Organisation for Economic Co-operation and Development
Licence
OECD Terms and Conditions (attribution required)
Coverage
52 places, 2,236 data points, 1981–2023
Last refreshed

<p style="text-align: justify;">This dataset provides indicators on Cooling and Heating Degree Days, in large (TL2) and small (TL3) regions.</p> <p><strong>Data definition and source</strong></p> <ul> <li>Cooling Degree Days (CDD) quantify how hot a given period was, indicating the energy demand for cooling buildings. CDD is calculated as the sum of the differences between the daily mean temperature and a reference temperature of 22&deg;C, for all days when the mean temperature exceeds 22&deg;C.</li> <li>Heating Degree Days (HDD) quantify how cold a given period was, reflecting the energy demand for heating buildings. HDD is calculated as the sum of the differences between a reference temperature of 15&deg;C and the daily mean temperature, for all days when the mean temperature falls below 15&deg;C.</li> </ul> <div id="subgroup-hdd" class="flex flex-col gap-2"> <div class="flex items-start gap-2" style="text-align: justify;">Those indicators are based on Copernicus ERA5-Land. ERA5-Land is used as it provides harmonised, globally consistent coverage at fine spatial resolution (0.1 degree), enabling the production of comparable subnational indicators also where national meteorological data are not available at the required scale.</div> <div class="flex items-start gap-2" style="text-align: justify;"><br />These estimates may differ from official subnational climate statistics due to differences in methodological approaches, such as the use of reanalysis based top down modelling versus in situ observations, along with variations in input data sources, spatial resolution, and the models and algorithms used to generate temperature estimates.</div> </div> <p><strong>Definition of regions</strong></p> <p style="text-align: justify;">Regions are subnational units below national boundaries. OECD countries have two regional levels: large regions (territorial level 2 or TL2) and small regions (territorial level 3 or TL3). For more information, see the OECD Territorial grid <a href="https://webfs-cfe.oecd.org/files/.Stat/region/OECD_territorial-grid_TL2024.pdf">(pdf)</a> and the OECD Territorial Correspondence Table <a href="https://webfs-cfe.oecd.org/files/.Stat/region/OECD%20Territorial%20correspondence%20-%20TL2024c.xlsx">(xlsx)</a>.&nbsp;</p> <p><strong>Cite this dataset</strong></p> <p>OECD Regions, Cities and Local Areas database&nbsp;<a href="http://oe.cd/geostats">http://oe.cd/geostats</a>.</p> <p><strong>Further information</strong></p> <ul> <li><a href="https://localdataportal.oecd.org/">OECD Local Data Portal</a>&nbsp;</li> <li><a href="https://www.oecd.org/en/publications/oecd-regions-and-cities-at-a-glance-2024_f42db3bf-en.html">OECD Regions and Cities at a Glance</a></li> </ul> <p>For questions and/or comments, please email <a href="mailto:RegionStat@oecd.org">RegionStat@oecd.org</a>.</p>