Cooling and heating degree days by country - annual data

In 2023, Bulgaria's cooling and heating degree days by country decreased by 9.6% compared to 2022, reaching 2,146.

Bulgaria accounts for 75.2% of the EU-27 total of 2,852.

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 fallen by 11.3% (from 2,419 in 2018).

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