{"location":{"city":"Kadłubia","voivodeship":"Lubuskie","community":"Żary","postalCode":"68-200","latitude":51.6543,"longitude":15.1709,"elevation":152},"climateZone":2,"standardOutsideTemp":-18,"annualMeanTemp":9.6,"monthly":[{"month":1,"outsideTemp":-0.03,"heatingDays":31,"degreeDayNum":558,"solarIrradianceKwhM2":23.8,"windSpeedAvg":5.48,"relativeHumidity":83,"outsideTempOnHeatingDays":-0.03},{"month":2,"outsideTemp":0.92,"heatingDays":28,"degreeDayNum":482,"solarIrradianceKwhM2":42.5,"windSpeedAvg":5.33,"relativeHumidity":80.1,"outsideTempOnHeatingDays":0.92},{"month":3,"outsideTemp":4.1,"heatingDays":31,"degreeDayNum":431,"solarIrradianceKwhM2":83.5,"windSpeedAvg":5.28,"relativeHumidity":76.3,"outsideTempOnHeatingDays":4.1},{"month":4,"outsideTemp":9.31,"heatingDays":29,"degreeDayNum":261,"solarIrradianceKwhM2":129.8,"windSpeedAvg":4.85,"relativeHumidity":68.8,"outsideTempOnHeatingDays":9.06},{"month":5,"outsideTemp":14.16,"heatingDays":26,"degreeDayNum":128,"solarIrradianceKwhM2":156.4,"windSpeedAvg":4.73,"relativeHumidity":67,"outsideTempOnHeatingDays":13.05},{"month":6,"outsideTemp":17.62,"heatingDays":16,"degreeDayNum":49,"solarIrradianceKwhM2":159,"windSpeedAvg":4.65,"relativeHumidity":66.3,"outsideTempOnHeatingDays":15.01},{"month":7,"outsideTemp":19.54,"heatingDays":10,"degreeDayNum":20,"solarIrradianceKwhM2":158.9,"windSpeedAvg":4.5,"relativeHumidity":67.3,"outsideTempOnHeatingDays":16.05},{"month":8,"outsideTemp":19.34,"heatingDays":11,"degreeDayNum":21,"solarIrradianceKwhM2":137.8,"windSpeedAvg":4.35,"relativeHumidity":67.7,"outsideTempOnHeatingDays":16.05},{"month":9,"outsideTemp":14.77,"heatingDays":25,"degreeDayNum":105,"solarIrradianceKwhM2":91.7,"windSpeedAvg":4.59,"relativeHumidity":73.8,"outsideTempOnHeatingDays":13.81},{"month":10,"outsideTemp":9.83,"heatingDays":30,"degreeDayNum":253,"solarIrradianceKwhM2":55.8,"windSpeedAvg":4.87,"relativeHumidity":79.6,"outsideTempOnHeatingDays":9.75},{"month":11,"outsideTemp":4.76,"heatingDays":30,"degreeDayNum":397,"solarIrradianceKwhM2":27.1,"windSpeedAvg":4.93,"relativeHumidity":85.2,"outsideTempOnHeatingDays":4.76},{"month":12,"outsideTemp":1.31,"heatingDays":31,"degreeDayNum":517,"solarIrradianceKwhM2":18.6,"windSpeedAvg":5.38,"relativeHumidity":84.1,"outsideTempOnHeatingDays":1.31}],"groundTemp1m":9.83,"groundTemp2m":9.83,"solarIrradianceKwhM2Year":1084.7,"windSpeedAvg":4.91,"relativeHumidityAvg":74.9,"suitability":{"score":78,"rating":"good","color":"lime","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":"2026-05-19T12:16:40.110Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}