Cooling and heating degree days by country - annual data

In 2025, Finland's cooling and heating degree days by country increased by 1020.5% compared to 2024, reaching 4.93.

Finland accounts for 3.9% of the EU-27 total of 127.8.

Finland ranks 21st out of 25 EU member states with reported data — in the bottom half of the distribution.

Over the past five years, the indicator has grown by 1073.8% (from 0.42 in 2020).

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