Cooling and heating degree days by country - annual data

In 2025, Italy's cooling and heating degree days by country increased by 3.7% compared to 2024, reaching 1,740.

Italy accounts for 61.5% of the EU-27 total of 2,828.

Italy ranks 22nd 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 6.6% (from 1,863 in 2020).

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