Cooling and heating degree days by country - monthly data by country
Countries reporting
39
Highest
664.91 Number
Finland
Lowest
47.15 Number
Malta
Median
456.46 Number
Years covered
46
1980–2025
Data points
1,840
What the numbers show
Cooling and heating degree days by country - monthly data is currently reported for 39 countries. The highest value is 664.91 Number in Finland; the lowest is 47.15 Number in Malta.
The median across all reporting countries is 456.46 Number, and the mean is 426.49 Number.
The gap between the highest and lowest reporting country is a factor of about 14.
Over the past decade 30 countries rose and 9 fell. The largest increase was in Portugal (up 41.4%), and the largest decrease in Malta (down 42.8%).
Cooling and heating degree days by country - monthly data: full country ranking
| # | Country | Latest | Year | 10-year change | Trend |
|---|---|---|---|---|---|
| 1 | Finland | 664.91 Number | 2025 | up 2.3% | falling |
| 2 | Norway | 605.74 Number | 2025 | down 1.2% | falling |
| 3 | Sweden | 588.85 Number | 2025 | down 3.8% | falling |
| 4 | Austria | 534.61 Number | 2025 | up 12.9% | falling |
| 5 | Czechia | 517.99 Number | 2025 | up 20.3% | falling |
| 6 | Latvia | 505.67 Number | 2025 | up 6.5% | falling |
| 6 | Latvia | 505.67 Number | 2025 | up 6.5% | falling |
| 8 | Switzerland | 503.84 Number | 2025 | up 10.1% | falling |
| 9 | Estonia | 502.94 Number | 2025 | up 6.5% | falling |
| 9 | Estonia | 502.94 Number | 2025 | up 6.5% | falling |
| 11 | Lithuania | 501.65 Number | 2025 | up 4.5% | falling |
| 11 | Lithuania | 501.65 Number | 2025 | up 4.5% | falling |
| 13 | Slovakia | 488.11 Number | 2025 | down 0.8% | falling |
| 13 | Slovakia | 488.11 Number | 2025 | down 0.8% | falling |
| 15 | Poland | 487.83 Number | 2025 | up 16.9% | falling |
| 15 | Poland | 487.83 Number | 2025 | up 16.9% | falling |
| 17 | Slovenia | 476.04 Number | 2025 | up 3.5% | falling |
| 17 | Slovenia | 476.04 Number | 2025 | up 3.5% | falling |
| 19 | Romania | 471.18 Number | 2025 | up 0.6% | falling |
| 20 | Hungary | 456.46 Number | 2025 | down 2.6% | falling |
| 21 | Germany | 454.55 Number | 2025 | up 30.2% | falling |
| 22 | Luxembourg | 426.91 Number | 2025 | up 25.2% | falling |
| 23 | Bulgaria | 426.02 Number | 2025 | up 1.8% | falling |
| 24 | Croatia | 413.43 Number | 2025 | up 0.2% | falling |
| 24 | Croatia | 413.43 Number | 2025 | up 0.2% | falling |
| 26 | Denmark | 394.36 Number | 2025 | up 12.2% | falling |
| 27 | Belgium | 377.66 Number | 2025 | up 35.8% | falling |
| 28 | Netherlands | 371.35 Number | 2025 | up 39.6% | falling |
| 28 | Netherlands | 371.35 Number | 2025 | up 39.6% | falling |
| 30 | United Kingdom | 358.44 Number | 2025 | up 21.0% | falling |
| 30 | United Kingdom | 358.44 Number | 2025 | up 21.0% | falling |
| 32 | France | 351.86 Number | 2025 | up 22.9% | falling |
| 33 | Ireland | 344.95 Number | 2025 | up 16.4% | falling |
| 34 | Spain | 312.03 Number | 2025 | up 19.6% | falling |
| 35 | Italy | 307.44 Number | 2025 | down 5.0% | falling |
| 36 | Greece | 283.12 Number | 2025 | down 13.5% | falling |
| 37 | Portugal | 247.71 Number | 2025 | up 41.4% | falling |
| 38 | Cyprus | 104.98 Number | 2025 | down 32.4% | falling |
| 39 | Malta | 47.15 Number | 2025 | down 42.8% | falling |
Regions and income groups
Aggregates are excluded from the country ranking above so that a region can never outrank a country.
- European Union - 27 countries (from 2020) 437.61 Number