CLIMATE · HEATING · HDD
Heating degree days in Italy
Track theoretical climate-related heating needs and compare the country’s NUTS 2 statistical regions.
2025 · Eurostat nrg_chddr2_a
1980 → 2025
Heating degree-day trend
Annual country history compared with EU-27.
ItalyEU-27
NUTS 2 · 2025
NUTS 2 regions ranked by HDD
The regional ranking uses the same year as the national value. NUTS 2 are European statistical units and do not always match current administrative regions.
| Rank | Statistical region | NUTS | Degree days | |
|---|---|---|---|---|
| #1 | Valle d’Aosta/Vallée d’Aoste | ITC2 |
4,303.9 | Region page → |
| #2 | Provincia Autonoma di Bolzano/Bozen | ITH1 |
3,974.3 | Region page → |
| #3 | Provincia Autonoma di Trento | ITH2 |
3,212.7 | Region page → |
| #4 | Piemonte | ITC1 |
2,508.0 | Region page → |
| #5 | Lombardia | ITC4 |
2,286.5 | Region page → |
| #6 | Friuli-Venezia Giulia | ITH4 |
2,281.6 | Region page → |
| #7 | Veneto | ITH3 |
2,158.9 | Region page → |
| #8 | Emilia-Romagna | ITH5 |
1,890.9 | Region page → |
| #9 | Abruzzo | ITF1 |
1,790.5 | Region page → |
| #10 | Liguria | ITC3 |
1,688.4 | Region page → |
| #11 | Umbria | ITI2 |
1,682.9 | Region page → |
| #12 | Molise | ITF2 |
1,619.5 | Region page → |
| #13 | Marche | ITI3 |
1,618.1 | Region page → |
| #14 | Basilicata | ITF5 |
1,508.4 | Region page → |
| #15 | Toscana | ITI1 |
1,442.9 | Region page → |
| #16 | Lazio | ITI4 |
1,304.5 | Region page → |
| #17 | Campania | ITF3 |
1,301.5 | Region page → |
| #18 | Calabria | ITF6 |
1,221.6 | Region page → |
| #19 | Puglia | ITF4 |
1,103.4 | Region page → |
| #20 | Sardegna | ITG2 |
1,024.5 | Region page → |
| #21 | Sicilia | ITG1 |
971.7 | Region page → |
Regional names are those supplied by Eurostat.
Browse the full European regional directory →METHODOLOGY
What does a high HDD mean?
A high Heating Degree Days level indicates a more demanding climate for heating during the year. On its own, it does not determine actual building energy consumption.
Eurostat · nrg_chddr2_a · HDD · 2025.
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