Cooling and heating degree days by country - monthly data by country

Countries reporting
30
Highest
664.91 Number
Finland
Lowest
47.15 Number
Malta
Median
440.73 Number
Years covered
46
1980–2025
Data points
1,426

What the numbers show

Cooling and heating degree days by country - monthly data is currently reported for 30 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 440.73 Number, and the mean is 417.59 Number.

The gap between the highest and lowest reporting country is a factor of about 14.

Over the past decade 22 countries rose and 8 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 LatestYear 10-year changeTrend
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
7 Switzerland 503.84 Number 2025 up 10.1% falling
8 Estonia 502.94 Number 2025 up 6.5% falling
9 Lithuania 501.65 Number 2025 up 4.5% falling
10 Slovakia 488.11 Number 2025 down 0.8% falling
11 Poland 487.83 Number 2025 up 16.9% falling
12 Slovenia 476.04 Number 2025 up 3.5% falling
13 Romania 471.18 Number 2025 up 0.6% falling
14 Hungary 456.46 Number 2025 down 2.6% falling
15 Germany 454.55 Number 2025 up 30.2% falling
16 Luxembourg 426.91 Number 2025 up 25.2% falling
17 Bulgaria 426.02 Number 2025 up 1.8% falling
18 Croatia 413.43 Number 2025 up 0.2% falling
19 Denmark 394.36 Number 2025 up 12.2% falling
20 Belgium 377.66 Number 2025 up 35.8% falling
21 Netherlands 371.35 Number 2025 up 39.6% falling
22 United Kingdom 358.44 Number 2025 up 21.0% falling
23 France 351.86 Number 2025 up 22.9% falling
24 Ireland 344.95 Number 2025 up 16.4% falling
25 Spain 312.03 Number 2025 up 19.6% falling
26 Italy 307.44 Number 2025 down 5.0% falling
27 Greece 283.12 Number 2025 down 13.5% falling
28 Portugal 247.71 Number 2025 up 41.4% falling
29 Cyprus 104.98 Number 2025 down 32.4% falling
30 Malta 47.15 Number 2025 down 42.8% falling

About this data

Indicator
Cooling and heating degree days by country - monthly data
Unit
Number
Source
Eurostat
Licence
CC BY 4.0 (Eurostat)
Coverage
31 places, 1,426 data points, 1980–2025
Last refreshed