{"location":{"city":"Ledno","voivodeship":"Lubuskie","community":"Trzebiechów","postalCode":"66-132","latitude":51.9891,"longitude":15.7,"elevation":56},"climateZone":2,"standardOutsideTemp":-18,"annualMeanTemp":9.9,"monthly":[{"month":1,"outsideTemp":0.17,"heatingDays":31,"degreeDayNum":552,"solarIrradianceKwhM2":23.2,"windSpeedAvg":5.44,"relativeHumidity":83.5,"outsideTempOnHeatingDays":0.17},{"month":2,"outsideTemp":1.14,"heatingDays":28,"degreeDayNum":476,"solarIrradianceKwhM2":41.9,"windSpeedAvg":5.34,"relativeHumidity":80.6,"outsideTempOnHeatingDays":1.14},{"month":3,"outsideTemp":4.28,"heatingDays":31,"degreeDayNum":425,"solarIrradianceKwhM2":83.5,"windSpeedAvg":5.3,"relativeHumidity":76.5,"outsideTempOnHeatingDays":4.28},{"month":4,"outsideTemp":9.57,"heatingDays":29,"degreeDayNum":253,"solarIrradianceKwhM2":130.6,"windSpeedAvg":4.92,"relativeHumidity":69.3,"outsideTempOnHeatingDays":9.32},{"month":5,"outsideTemp":14.57,"heatingDays":25,"degreeDayNum":118,"solarIrradianceKwhM2":157.8,"windSpeedAvg":4.81,"relativeHumidity":66.6,"outsideTempOnHeatingDays":13.37},{"month":6,"outsideTemp":18.06,"heatingDays":15,"degreeDayNum":41,"solarIrradianceKwhM2":160.6,"windSpeedAvg":4.77,"relativeHumidity":65.6,"outsideTempOnHeatingDays":15.3},{"month":7,"outsideTemp":20.02,"heatingDays":9,"degreeDayNum":15,"solarIrradianceKwhM2":159.4,"windSpeedAvg":4.61,"relativeHumidity":66.7,"outsideTempOnHeatingDays":16.25},{"month":8,"outsideTemp":19.81,"heatingDays":9,"degreeDayNum":16,"solarIrradianceKwhM2":138,"windSpeedAvg":4.45,"relativeHumidity":67,"outsideTempOnHeatingDays":16.17},{"month":9,"outsideTemp":15.15,"heatingDays":24,"degreeDayNum":95,"solarIrradianceKwhM2":91.3,"windSpeedAvg":4.69,"relativeHumidity":73.5,"outsideTempOnHeatingDays":14.04},{"month":10,"outsideTemp":10.09,"heatingDays":30,"degreeDayNum":245,"solarIrradianceKwhM2":55,"windSpeedAvg":4.91,"relativeHumidity":79.7,"outsideTempOnHeatingDays":10},{"month":11,"outsideTemp":4.98,"heatingDays":30,"degreeDayNum":390,"solarIrradianceKwhM2":26.3,"windSpeedAvg":4.9,"relativeHumidity":85.7,"outsideTempOnHeatingDays":4.98},{"month":12,"outsideTemp":1.52,"heatingDays":31,"degreeDayNum":510,"solarIrradianceKwhM2":18,"windSpeedAvg":5.29,"relativeHumidity":84.8,"outsideTempOnHeatingDays":1.52}],"groundTemp1m":10.18,"groundTemp2m":10.18,"solarIrradianceKwhM2Year":1085.5,"windSpeedAvg":4.95,"relativeHumidityAvg":75,"suitability":{"score":81,"rating":"excellent","color":"green","estimatedScop":4.2,"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":"2026-05-19T12:16:35.769Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}