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)
0.0
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
|
26.1°C | 17.6° | 35.0° | 0.0 | 2.1 | 25% | Berlin, Munich |
|
🇮🇹
Italy
IT
|
31.3°C | 25.7° | 39.1° | 0.0 | 7.3 | 19% | Rome, Milan |
|
🇫🇷
France
FR
|
21.7°C | 18.7° | 25.3° | 0.0 | 0.0 | 11% | Paris |
|
🇳🇱
Netherlands
NL
|
20.5°C | 15.0° | 27.2° | 0.0 | 0.0 | 10% | Amsterdam |
|
🇪🇸
Spain
ES
|
26.1°C | 20.2° | 30.5° | 0.0 | 2.1 | 10% | Madrid |
|
🇵🇱
Poland
PL
|
25.1°C | 13.1° | 33.5° | 0.0 | 1.1 | 6% | Warsaw |
|
🇧🇪
Belgium
BE
|
21.9°C | 18.2° | 26.0° | 0.0 | 0.0 | 5% | Brussels |
|
🇷🇴
Romania
RO
|
27.0°C | 21.6° | 33.3° | 0.0 | 3.0 | 3% | Bucharest |
|
🇭🇺
Hungary
HU
|
30.2°C | 20.1° | 37.9° | 0.0 | 6.2 | 3% | Budapest |
|
🇦🇹
Austria
AT
|
29.1°C | 21.4° | 37.0° | 0.0 | 5.1 | 2% | Vienna |
|
🇨🇿
Czech Republic
CZ
|
26.7°C | 17.9° | 33.7° | 0.0 | 2.7 | 2% | Prague |
|
🇮🇪
Ireland
IE
|
18.2°C | 15.3° | 21.4° | 0.0 | 0.0 | 2% | Dublin |
|
🇵🇹
Portugal
PT
|
21.2°C | 17.1° | 26.9° | 0.0 | 0.0 | 2% | Lisbon |
|
🇩🇰
Denmark
DK
|
19.7°C | 15.3° | 24.7° | 0.0 | 0.0 | 0% | Copenhagen |
|
🇸🇪
Sweden
SE
|
18.9°C | 14.2° | 23.4° | 0.0 | 0.0 | 0% | Stockholm |
|
🇫🇮
Finland
FI
|
17.8°C | 10.5° | 23.8° | 0.0 | 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.