Cooling and heating degree days by country - annual data

In 2025, Netherlands's cooling and heating degree days by country increased by 154.1% compared to 2024, reaching 17.1.

Netherlands accounts for 13.4% of the EU-27 total of 127.8.

Netherlands ranks 18th out of 25 EU member states with reported data — in the bottom half of the distribution.

Over the past five years, the indicator has fallen by 57.7% (from 40.4 in 2020).

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