Cooling and heating degree days by country - annual data by country
Countries reporting
39
Highest
5,025
Finland
Lowest
314.7
Malta
Median
2,730
Years covered
46
1980–2025
Data points
1,840
What the numbers show
Cooling and heating degree days by country - annual data is currently reported for 39 countries. The highest value is 5,025 in Finland; the lowest is 314.7 in Malta.
The median across all reporting countries is 2,730, and the mean is 2,783.
The gap between the highest and lowest reporting country is a factor of about 16.
Over the past decade 2 countries rose and 37 fell. The largest increase was in Portugal (up 3.3%), and the largest decrease in Malta (down 44.1%).
Cooling and heating degree days by country - annual data (country): full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | Finland | 5,025 | 2025 | down 0.1% | falling |
| 2 | Norway | 4,991 | 2025 | down 5.0% | falling |
| 3 | Sweden | 4,646 | 2025 | down 5.1% | falling |
| 4 | Estonia | 3,730 | 2025 | down 1.9% | falling |
| 4 | Estonia | 3,730 | 2025 | down 1.9% | falling |
| 6 | Latvia | 3,617 | 2025 | down 1.4% | falling |
| 6 | Latvia | 3,617 | 2025 | down 1.4% | falling |
| 8 | Switzerland | 3,482 | 2025 | down 4.1% | falling |
| 9 | Lithuania | 3,462 | 2025 | down 1.9% | falling |
| 9 | Lithuania | 3,462 | 2025 | down 1.9% | falling |
| 11 | Austria | 3,339 | 2025 | down 0.9% | falling |
| 12 | Czechia | 3,205 | 2025 | up 2.5% | falling |
| 13 | Poland | 3,098 | 2025 | down 0.5% | falling |
| 13 | Poland | 3,098 | 2025 | down 0.5% | falling |
| 15 | Slovakia | 3,041 | 2025 | down 1.9% | falling |
| 15 | Slovakia | 3,041 | 2025 | down 1.9% | falling |
| 17 | Denmark | 2,917 | 2025 | down 6.7% | falling |
| 18 | Germany | 2,858 | 2025 | down 2.1% | falling |
| 19 | Luxembourg | 2,826 | 2025 | down 4.1% | falling |
| 20 | Romania | 2,730 | 2025 | down 3.2% | falling |
| 21 | United Kingdom | 2,710 | 2025 | down 11.0% | falling |
| 21 | United Kingdom | 2,710 | 2025 | down 11.0% | falling |
| 23 | Slovenia | 2,599 | 2025 | down 3.2% | falling |
| 23 | Slovenia | 2,599 | 2025 | down 3.2% | falling |
| 25 | Hungary | 2,559 | 2025 | down 1.8% | falling |
| 26 | Belgium | 2,474 | 2025 | down 6.9% | falling |
| 27 | Ireland | 2,465 | 2025 | down 15.9% | falling |
| 28 | Netherlands | 2,451 | 2025 | down 6.6% | falling |
| 28 | Netherlands | 2,451 | 2025 | down 6.6% | falling |
| 30 | Bulgaria | 2,324 | 2025 | down 4.5% | falling |
| 31 | France | 2,142 | 2025 | down 6.1% | falling |
| 32 | Croatia | 2,139 | 2025 | down 6.2% | falling |
| 32 | Croatia | 2,139 | 2025 | down 6.2% | falling |
| 34 | Italy | 1,740 | 2025 | down 8.2% | falling |
| 35 | Spain | 1,602 | 2025 | down 4.4% | falling |
| 36 | Greece | 1,446 | 2025 | down 12.9% | falling |
| 37 | Portugal | 1,160 | 2025 | up 3.3% | falling |
| 38 | Cyprus | 609.45 | 2025 | down 22.2% | falling |
| 39 | Malta | 314.7 | 2025 | down 44.1% | falling |
Regions and income groups
Aggregates are excluded from the country ranking above so that a region can never outrank a country.