Cooling and heating degree days by country - annual data

In 2025, Poland's cooling and heating degree days by country increased by 13.0% compared to 2024, reaching 3,098.

Poland accounts for 109.6% of the EU-27 total of 2,828.

Poland ranks 8th out of 27 EU member states with reported data — in the top half of the distribution.

Over the past five years, the indicator has grown by 2.9% (from 3,011 in 2020).

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