Cooling and heating degree days by country - annual data

In 2023, Ireland's cooling and heating degree days by country decreased by 5.8% compared to 2022, reaching 2,418.

Ireland accounts for 84.8% of the EU-27 total of 2,852.

Ireland ranks 15th out of 27 EU member states with reported data — in the bottom half of the distribution.

Over the past five years, the indicator has fallen by 12.8% (from 2,772 in 2018).

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