Cooling and heating degree days by country - annual data

In 2025, Finland's cooling and heating degree days by country decreased by 2.4% compared to 2024, reaching 5,025.

Finland accounts for 177.7% of the EU-27 total of 2,828.

Finland ranks 1st 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 2.8% (from 4,887 in 2020).

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