Cooling and heating degree days by country - annual data

In 2024, Luxembourg's cooling and heating degree days by country increased by 271.8% compared to 2023, reaching 9.48.

Luxembourg accounts for 6.8% of the EU-27 total of 139.2.

Luxembourg ranks 20th out of 26 EU member states with reported data — in the bottom half of the distribution.

Over the past five years, the indicator has fallen by 72.9% (from 35.0 in 2019).

Source: Eurostat dataset nrg_chdd_a, accessed via the eupublicdata pipeline.