Cooling and heating degree days by country - annual data

In 2025, Portugal's cooling and heating degree days by country increased by 44.8% compared to 2024, reaching 297.8.

Portugal accounts for 233.0% of the EU-27 total of 127.8.

Portugal ranks 5th out of 25 EU member states with reported data — in the top half of the distribution.

Over the past five years, the indicator has grown by 12.6% (from 264.5 in 2020).

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