Weather → Demand
Heating Degree Days across Europe
Temperature, HDD & CDD by country, weighted by share of EU gas consumption. 15-day forecast.
EU Gas-Weighted HDD (today)
0.1
HDD = max(0, 18°C − Tmean) — Higher = more heating demand = bullish gas
7-Day Temperature Forecast
ⓘ 10yr Normal
ⓘ Weighted curve
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| Country | Mean | Min | Max | HDD | CDD | Weight | Cities |
|---|---|---|---|---|---|---|---|
|
🇩🇪
Germany
DE
|
24.9°C | 15.8° | 32.5° | 0.0 | 0.9 | 25% | Berlin, Munich |
|
🇮🇹
Italy
IT
|
29.7°C | 23.9° | 36.5° | 0.0 | 5.7 | 19% | Rome, Milan |
|
🇫🇷
France
FR
|
32.4°C | 20.5° | 40.0° | 0.0 | 8.4 | 11% | Paris |
|
🇳🇱
Netherlands
NL
|
22.0°C | 13.3° | 30.1° | 0.0 | 0.0 | 10% | Amsterdam |
|
🇪🇸
Spain
ES
|
29.9°C | 25.7° | 34.6° | 0.0 | 5.9 | 10% | Madrid |
|
🇵🇱
Poland
PL
|
20.6°C | 15.6° | 25.3° | 0.0 | 0.0 | 6% | Warsaw |
|
🇧🇪
Belgium
BE
|
25.4°C | 13.2° | 34.2° | 0.0 | 1.4 | 5% | Brussels |
|
🇷🇴
Romania
RO
|
25.1°C | 19.2° | 35.7° | 0.0 | 1.1 | 3% | Bucharest |
|
🇭🇺
Hungary
HU
|
28.5°C | 20.5° | 34.7° | 0.0 | 4.5 | 3% | Budapest |
|
🇦🇹
Austria
AT
|
27.6°C | 18.4° | 34.3° | 0.0 | 3.6 | 2% | Vienna |
|
🇨🇿
Czech Republic
CZ
|
26.1°C | 16.5° | 32.5° | 0.0 | 2.1 | 2% | Prague |
|
🇮🇪
Ireland
IE
|
13.6°C | 10.2° | 16.8° | 4.4 | 0.0 | 2% | Dublin |
|
🇵🇹
Portugal
PT
|
22.6°C | 18.3° | 28.6° | 0.0 | 0.0 | 2% | Lisbon |
|
🇩🇰
Denmark
DK
|
21.6°C | 14.1° | 28.0° | 0.0 | 0.0 | 0% | Copenhagen |
|
🇸🇪
Sweden
SE
|
15.9°C | 11.4° | 20.8° | 0.0 | 0.0 | 0% | Stockholm |
|
🇫🇮
Finland
FI
|
14.0°C | 10.4° | 17.6° | 4.0 | 0.0 | 0% | Helsinki |
Source: Open-Meteo (open-meteo.com) — Free weather API, no key required. HDD = max(0, 18°C - Tmean) when Tmean ≤ 15°C. CDD = max(0, Tmean - 24°C). Weights are approximate shares of EU gas consumption (Eurostat 2023). 10-year normals: 2015–2024 archive data.