{"location":{"city":"Gostyń","voivodeship":"Śląskie","community":"Wyry","postalCode":"43-175","latitude":50.1156,"longitude":18.8604,"elevation":277},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.8,"monthly":[{"month":1,"outsideTemp":-1.78,"heatingDays":31,"degreeDayNum":613,"solarIrradianceKwhM2":30.4,"windSpeedAvg":5.75,"relativeHumidity":83.4,"outsideTempOnHeatingDays":-1.78},{"month":2,"outsideTemp":-0.55,"heatingDays":28,"degreeDayNum":524,"solarIrradianceKwhM2":49.5,"windSpeedAvg":5.7,"relativeHumidity":80.7,"outsideTempOnHeatingDays":-0.55},{"month":3,"outsideTemp":3.24,"heatingDays":31,"degreeDayNum":457,"solarIrradianceKwhM2":90.4,"windSpeedAvg":5.65,"relativeHumidity":75,"outsideTempOnHeatingDays":3.24},{"month":4,"outsideTemp":8.79,"heatingDays":29,"degreeDayNum":276,"solarIrradianceKwhM2":130.8,"windSpeedAvg":5.06,"relativeHumidity":70.2,"outsideTempOnHeatingDays":8.73},{"month":5,"outsideTemp":13.55,"heatingDays":27,"degreeDayNum":142,"solarIrradianceKwhM2":155.4,"windSpeedAvg":4.8,"relativeHumidity":72.8,"outsideTempOnHeatingDays":12.86},{"month":6,"outsideTemp":17.06,"heatingDays":18,"degreeDayNum":55,"solarIrradianceKwhM2":159.2,"windSpeedAvg":4.57,"relativeHumidity":73.8,"outsideTempOnHeatingDays":14.95},{"month":7,"outsideTemp":18.99,"heatingDays":12,"degreeDayNum":24,"solarIrradianceKwhM2":161.2,"windSpeedAvg":4.45,"relativeHumidity":73.1,"outsideTempOnHeatingDays":16},{"month":8,"outsideTemp":18.85,"heatingDays":12,"degreeDayNum":25,"solarIrradianceKwhM2":142.1,"windSpeedAvg":4.21,"relativeHumidity":72.4,"outsideTempOnHeatingDays":15.9},{"month":9,"outsideTemp":14.19,"heatingDays":26,"degreeDayNum":119,"solarIrradianceKwhM2":94.3,"windSpeedAvg":4.74,"relativeHumidity":76,"outsideTempOnHeatingDays":13.45},{"month":10,"outsideTemp":9.35,"heatingDays":30,"degreeDayNum":268,"solarIrradianceKwhM2":59.8,"windSpeedAvg":5.06,"relativeHumidity":79.7,"outsideTempOnHeatingDays":9.31},{"month":11,"outsideTemp":4.45,"heatingDays":30,"degreeDayNum":406,"solarIrradianceKwhM2":32.1,"windSpeedAvg":5.26,"relativeHumidity":83.9,"outsideTempOnHeatingDays":4.45},{"month":12,"outsideTemp":-0.13,"heatingDays":31,"degreeDayNum":562,"solarIrradianceKwhM2":23.2,"windSpeedAvg":5.69,"relativeHumidity":84,"outsideTempOnHeatingDays":-0.13}],"groundTemp1m":9.44,"groundTemp2m":9.44,"solarIrradianceKwhM2Year":1128.4,"windSpeedAvg":5.08,"relativeHumidityAvg":77.1,"suitability":{"score":66,"rating":"good","color":"lime","estimatedScop":4.1,"notes":["Wysokie nasłonecznienie - bardzo dobre warunki dla hybrydy pompa ciepła + PV.","Wysoka średnia prędkość wiatru (5.1 m/s) - większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991-2020)","fetchedAt":"2026-05-19T12:09:05.391Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}