{"location":{"city":"Łączany","voivodeship":"Małopolskie","community":"Brzeźnica","postalCode":"34-115","latitude":49.9843,"longitude":19.5793,"elevation":216},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.8,"monthly":[{"month":1,"outsideTemp":-1.96,"heatingDays":31,"degreeDayNum":618,"solarIrradianceKwhM2":30.5,"windSpeedAvg":5.03,"relativeHumidity":83.2,"outsideTempOnHeatingDays":-1.96},{"month":2,"outsideTemp":-0.61,"heatingDays":28,"degreeDayNum":526,"solarIrradianceKwhM2":49,"windSpeedAvg":5.09,"relativeHumidity":80.9,"outsideTempOnHeatingDays":-0.61},{"month":3,"outsideTemp":3.24,"heatingDays":31,"degreeDayNum":457,"solarIrradianceKwhM2":90.8,"windSpeedAvg":5.23,"relativeHumidity":76.1,"outsideTempOnHeatingDays":3.24},{"month":4,"outsideTemp":8.87,"heatingDays":29,"degreeDayNum":274,"solarIrradianceKwhM2":130.1,"windSpeedAvg":4.62,"relativeHumidity":72.1,"outsideTempOnHeatingDays":8.79},{"month":5,"outsideTemp":13.7,"heatingDays":27,"degreeDayNum":138,"solarIrradianceKwhM2":154.8,"windSpeedAvg":4.37,"relativeHumidity":74.5,"outsideTempOnHeatingDays":12.98},{"month":6,"outsideTemp":17.21,"heatingDays":17,"degreeDayNum":52,"solarIrradianceKwhM2":158.3,"windSpeedAvg":4.24,"relativeHumidity":75.7,"outsideTempOnHeatingDays":15.06},{"month":7,"outsideTemp":19.1,"heatingDays":11,"degreeDayNum":22,"solarIrradianceKwhM2":159,"windSpeedAvg":4.12,"relativeHumidity":75,"outsideTempOnHeatingDays":16},{"month":8,"outsideTemp":18.86,"heatingDays":12,"degreeDayNum":24,"solarIrradianceKwhM2":141.1,"windSpeedAvg":3.88,"relativeHumidity":74.9,"outsideTempOnHeatingDays":16},{"month":9,"outsideTemp":14.07,"heatingDays":26,"degreeDayNum":122,"solarIrradianceKwhM2":94,"windSpeedAvg":4.28,"relativeHumidity":78.4,"outsideTempOnHeatingDays":13.43},{"month":10,"outsideTemp":9.08,"heatingDays":30,"degreeDayNum":276,"solarIrradianceKwhM2":60.5,"windSpeedAvg":4.45,"relativeHumidity":81.7,"outsideTempOnHeatingDays":9.03},{"month":11,"outsideTemp":4.06,"heatingDays":30,"degreeDayNum":418,"solarIrradianceKwhM2":32.6,"windSpeedAvg":4.48,"relativeHumidity":85.4,"outsideTempOnHeatingDays":4.06},{"month":12,"outsideTemp":-0.38,"heatingDays":31,"degreeDayNum":569,"solarIrradianceKwhM2":23.4,"windSpeedAvg":4.91,"relativeHumidity":84.3,"outsideTempOnHeatingDays":-0.38}],"groundTemp1m":9.15,"groundTemp2m":9.15,"solarIrradianceKwhM2Year":1124.2,"windSpeedAvg":4.56,"relativeHumidityAvg":78.5,"suitability":{"score":67,"rating":"good","color":"lime","estimatedScop":4.1,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:17:30.285Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}