Cooling and heating degree days by country - annual data

In 2025, Czechia's cooling and heating degree days by country decreased by 69.2% compared to 2024, reaching 13.0.

Czechia accounts for 10.2% of the EU-27 total of 127.8.

Czechia ranks 19th out of 25 EU member states with reported data — in the bottom half of the distribution.

Over the past five years, the indicator has grown by 118.8% (from 5.96 in 2020).

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