Cooling and heating degree days by country - annual data by country
Countries reporting
30
Highest
5,025 Number
Finland
Lowest
314.7 Number
Malta
Median
2,720 Number
Years covered
46
1980–2025
Data points
1,426
What the numbers show
Cooling and heating degree days by country - annual data is currently reported for 30 countries. The highest value is 5,025 Number in Finland; the lowest is 314.7 Number in Malta.
The median across all reporting countries is 2,720 Number, and the mean is 2,723 Number.
The gap between the highest and lowest reporting country is a factor of about 16.
Over the past decade 2 countries rose and 28 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: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | Finland | 5,025 Number | 2025 | down 0.1% | falling |
| 2 | Norway | 4,991 Number | 2025 | down 5.0% | falling |
| 3 | Sweden | 4,646 Number | 2025 | down 5.1% | falling |
| 4 | Estonia | 3,730 Number | 2025 | down 1.9% | falling |
| 5 | Latvia | 3,617 Number | 2025 | down 1.4% | falling |
| 6 | Switzerland | 3,482 Number | 2025 | down 4.1% | falling |
| 7 | Lithuania | 3,462 Number | 2025 | down 1.9% | falling |
| 8 | Austria | 3,339 Number | 2025 | down 0.9% | falling |
| 9 | Czechia | 3,205 Number | 2025 | up 2.5% | falling |
| 10 | Poland | 3,098 Number | 2025 | down 0.5% | falling |
| 11 | Slovakia | 3,041 Number | 2025 | down 1.9% | falling |
| 12 | Denmark | 2,917 Number | 2025 | down 6.7% | falling |
| 13 | Germany | 2,858 Number | 2025 | down 2.1% | falling |
| 14 | Luxembourg | 2,826 Number | 2025 | down 4.1% | falling |
| 15 | Romania | 2,730 Number | 2025 | down 3.2% | falling |
| 16 | United Kingdom | 2,710 Number | 2025 | down 11.0% | falling |
| 17 | Slovenia | 2,599 Number | 2025 | down 3.2% | falling |
| 18 | Hungary | 2,559 Number | 2025 | down 1.8% | falling |
| 19 | Belgium | 2,474 Number | 2025 | down 6.9% | falling |
| 20 | Ireland | 2,465 Number | 2025 | down 15.9% | falling |
| 21 | Netherlands | 2,451 Number | 2025 | down 6.6% | falling |
| 22 | Bulgaria | 2,324 Number | 2025 | down 4.5% | falling |
| 23 | France | 2,142 Number | 2025 | down 6.1% | falling |
| 24 | Croatia | 2,139 Number | 2025 | down 6.2% | falling |
| 25 | Italy | 1,740 Number | 2025 | down 8.2% | falling |
| 26 | Spain | 1,602 Number | 2025 | down 4.4% | falling |
| 27 | Greece | 1,446 Number | 2025 | down 12.9% | falling |
| 28 | Portugal | 1,160 Number | 2025 | up 3.3% | falling |
| 29 | Cyprus | 609.45 Number | 2025 | down 22.2% | falling |
| 30 | Malta | 314.7 Number | 2025 | down 44.1% | falling |