Cooling and heating degree days by country - annual data

In 2025, Czechia's cooling and heating degree days by country increased by 14.0% compared to 2024, reaching 3,205.

Czechia accounts for 113.4% of the EU-27 total of 2,828.

Czechia ranks 7th out of 27 EU member states with reported data — in the top half of the distribution.

Over the past five years, the indicator has grown by 3.0% (from 3,112 in 2020).

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