Cooling and heating degree days by country - annual data

In 2025, Netherlands's cooling and heating degree days by country increased by 7.7% compared to 2024, reaching 2,451.

Netherlands accounts for 86.7% of the EU-27 total of 2,828.

Netherlands ranks 18th out of 27 EU member states with reported data — in the bottom half of the distribution.

Over the past five years, the indicator has grown by 2.7% (from 2,387 in 2020).

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