{"location":{"city":"Ornontowice","voivodeship":"Śląskie","community":"Ornontowice","postalCode":"43-178","latitude":50.181,"longitude":18.7631,"elevation":283},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.9,"monthly":[{"month":1,"outsideTemp":-1.72,"heatingDays":31,"degreeDayNum":611,"solarIrradianceKwhM2":29.6,"windSpeedAvg":5.92,"relativeHumidity":83.5,"outsideTempOnHeatingDays":-1.72},{"month":2,"outsideTemp":-0.46,"heatingDays":28,"degreeDayNum":521,"solarIrradianceKwhM2":48.6,"windSpeedAvg":5.89,"relativeHumidity":80.7,"outsideTempOnHeatingDays":-0.46},{"month":3,"outsideTemp":3.35,"heatingDays":31,"degreeDayNum":454,"solarIrradianceKwhM2":89.8,"windSpeedAvg":5.89,"relativeHumidity":74.8,"outsideTempOnHeatingDays":3.35},{"month":4,"outsideTemp":8.94,"heatingDays":29,"degreeDayNum":272,"solarIrradianceKwhM2":131.2,"windSpeedAvg":5.3,"relativeHumidity":69.7,"outsideTempOnHeatingDays":8.85},{"month":5,"outsideTemp":13.69,"heatingDays":27,"degreeDayNum":139,"solarIrradianceKwhM2":156.6,"windSpeedAvg":5.02,"relativeHumidity":72.2,"outsideTempOnHeatingDays":12.91},{"month":6,"outsideTemp":17.19,"heatingDays":17,"degreeDayNum":53,"solarIrradianceKwhM2":160.3,"windSpeedAvg":4.83,"relativeHumidity":73,"outsideTempOnHeatingDays":15.01},{"month":7,"outsideTemp":19.12,"heatingDays":11,"degreeDayNum":23,"solarIrradianceKwhM2":162.3,"windSpeedAvg":4.68,"relativeHumidity":72.5,"outsideTempOnHeatingDays":16.02},{"month":8,"outsideTemp":19.01,"heatingDays":11,"degreeDayNum":24,"solarIrradianceKwhM2":142.4,"windSpeedAvg":4.47,"relativeHumidity":71.5,"outsideTempOnHeatingDays":15.95},{"month":9,"outsideTemp":14.32,"heatingDays":25,"degreeDayNum":116,"solarIrradianceKwhM2":94.3,"windSpeedAvg":4.96,"relativeHumidity":75.3,"outsideTempOnHeatingDays":13.49},{"month":10,"outsideTemp":9.42,"heatingDays":30,"degreeDayNum":265,"solarIrradianceKwhM2":59.3,"windSpeedAvg":5.28,"relativeHumidity":79.4,"outsideTempOnHeatingDays":9.37},{"month":11,"outsideTemp":4.49,"heatingDays":30,"degreeDayNum":405,"solarIrradianceKwhM2":31.6,"windSpeedAvg":5.45,"relativeHumidity":83.8,"outsideTempOnHeatingDays":4.49},{"month":12,"outsideTemp":-0.1,"heatingDays":31,"degreeDayNum":561,"solarIrradianceKwhM2":22.6,"windSpeedAvg":5.86,"relativeHumidity":84,"outsideTempOnHeatingDays":-0.1}],"groundTemp1m":9.48,"groundTemp2m":9.48,"solarIrradianceKwhM2Year":1128.7,"windSpeedAvg":5.29,"relativeHumidityAvg":76.7,"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 (5.3 m/s) - większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991-2020)","fetchedAt":"2026-05-19T12:28:03.239Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}