Cooling and heating degree days by country - annual data

In 2021, Bulgaria's cooling and heating degree days by country increased by 11.0% compared to 2020, reaching 2,568.

Bulgaria accounts for 81.3% of the EU-27 total of 3,161.

Bulgaria ranks 19th 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 3.4% (from 2,484 in 2016).

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