{"location":{"city":"Dąbrowa Górnicza","voivodeship":"Śląskie","community":"Dąbrowa Górnicza","postalCode":"41-300","latitude":50.3439,"longitude":19.261,"elevation":310},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.7,"monthly":[{"month":1,"outsideTemp":-2.15,"heatingDays":31,"degreeDayNum":624,"solarIrradianceKwhM2":29.2,"windSpeedAvg":5.73,"relativeHumidity":84.7,"outsideTempOnHeatingDays":-2.15},{"month":2,"outsideTemp":-0.86,"heatingDays":28,"degreeDayNum":533,"solarIrradianceKwhM2":48.3,"windSpeedAvg":5.68,"relativeHumidity":82.2,"outsideTempOnHeatingDays":-0.86},{"month":3,"outsideTemp":3.04,"heatingDays":31,"degreeDayNum":463,"solarIrradianceKwhM2":90,"windSpeedAvg":5.75,"relativeHumidity":76,"outsideTempOnHeatingDays":3.04},{"month":4,"outsideTemp":8.79,"heatingDays":29,"degreeDayNum":276,"solarIrradianceKwhM2":130.5,"windSpeedAvg":5.11,"relativeHumidity":70.7,"outsideTempOnHeatingDays":8.69},{"month":5,"outsideTemp":13.63,"heatingDays":27,"degreeDayNum":141,"solarIrradianceKwhM2":156.4,"windSpeedAvg":4.85,"relativeHumidity":72.8,"outsideTempOnHeatingDays":12.83},{"month":6,"outsideTemp":17.1,"heatingDays":18,"degreeDayNum":55,"solarIrradianceKwhM2":160,"windSpeedAvg":4.69,"relativeHumidity":73.8,"outsideTempOnHeatingDays":14.95},{"month":7,"outsideTemp":19.01,"heatingDays":12,"degreeDayNum":24,"solarIrradianceKwhM2":160.9,"windSpeedAvg":4.56,"relativeHumidity":73.4,"outsideTempOnHeatingDays":15.95},{"month":8,"outsideTemp":18.87,"heatingDays":12,"degreeDayNum":26,"solarIrradianceKwhM2":141.9,"windSpeedAvg":4.34,"relativeHumidity":72.4,"outsideTempOnHeatingDays":15.87},{"month":9,"outsideTemp":14.1,"heatingDays":26,"degreeDayNum":122,"solarIrradianceKwhM2":93.8,"windSpeedAvg":4.81,"relativeHumidity":76.5,"outsideTempOnHeatingDays":13.35},{"month":10,"outsideTemp":9.07,"heatingDays":30,"degreeDayNum":277,"solarIrradianceKwhM2":59,"windSpeedAvg":5.07,"relativeHumidity":80.8,"outsideTempOnHeatingDays":9.03},{"month":11,"outsideTemp":4.05,"heatingDays":30,"degreeDayNum":418,"solarIrradianceKwhM2":31.4,"windSpeedAvg":5.17,"relativeHumidity":85.4,"outsideTempOnHeatingDays":4.05},{"month":12,"outsideTemp":-0.47,"heatingDays":31,"degreeDayNum":572,"solarIrradianceKwhM2":22.4,"windSpeedAvg":5.62,"relativeHumidity":85.2,"outsideTempOnHeatingDays":-0.47}],"groundTemp1m":9.23,"groundTemp2m":9.23,"solarIrradianceKwhM2Year":1123.7,"windSpeedAvg":5.11,"relativeHumidityAvg":77.8,"suitability":{"score":63,"rating":"fair","color":"yellow","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":"2026-05-19T12:05:26.079Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}