Cooling and heating degree days by country - annual data

In 2025, Spain's cooling and heating degree days by country increased by 7.0% compared to 2024, reaching 1,602.

Spain accounts for 56.7% of the EU-27 total of 2,828.

Spain ranks 23rd out of 27 EU member states with reported data — in the bottom half of the distribution.

Over the past five years, the indicator has fallen by 1.3% (from 1,623 in 2020).

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