Cooling and heating degree days by country - annual data

In 2021, Ireland's cooling and heating degree days by country decreased by 3.6% compared to 2020, reaching 2,663.

Ireland accounts for 84.3% of the EU-27 total of 3,161.

Ireland ranks 18th 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 3.6% (from 2,763 in 2016).

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