Cooling and heating degree days by country - annual data

In 2024, Ireland's cooling and heating degree days by country increased by 8.3% compared to 2023, reaching 2,618.

Ireland accounts for 95.9% of the EU-27 total of 2,729.

Ireland ranks 12th out of 27 EU member states with reported data — in the top half of the distribution.

Over the past five years, the indicator has fallen by 3.9% (from 2,725 in 2019).

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