{"location":{"city":"Pólko","voivodeship":"Lubuskie","community":"Gmina Bojadła","postalCode":"66-130","latitude":51.9646,"longitude":15.861,"elevation":59},"climateZone":2,"standardOutsideTemp":-18,"annualMeanTemp":9.9,"monthly":[{"month":1,"outsideTemp":0.07,"heatingDays":31,"degreeDayNum":555,"solarIrradianceKwhM2":23.2,"windSpeedAvg":5.43,"relativeHumidity":83.4,"outsideTempOnHeatingDays":0.07},{"month":2,"outsideTemp":1.06,"heatingDays":28,"degreeDayNum":478,"solarIrradianceKwhM2":41.9,"windSpeedAvg":5.33,"relativeHumidity":80.6,"outsideTempOnHeatingDays":1.06},{"month":3,"outsideTemp":4.22,"heatingDays":31,"degreeDayNum":427,"solarIrradianceKwhM2":83.6,"windSpeedAvg":5.31,"relativeHumidity":76.5,"outsideTempOnHeatingDays":4.22},{"month":4,"outsideTemp":9.54,"heatingDays":29,"degreeDayNum":254,"solarIrradianceKwhM2":130.5,"windSpeedAvg":4.93,"relativeHumidity":69.3,"outsideTempOnHeatingDays":9.29},{"month":5,"outsideTemp":14.57,"heatingDays":25,"degreeDayNum":118,"solarIrradianceKwhM2":157.8,"windSpeedAvg":4.83,"relativeHumidity":66.6,"outsideTempOnHeatingDays":13.35},{"month":6,"outsideTemp":18.1,"heatingDays":15,"degreeDayNum":40,"solarIrradianceKwhM2":160.5,"windSpeedAvg":4.78,"relativeHumidity":65.4,"outsideTempOnHeatingDays":15.31},{"month":7,"outsideTemp":20.04,"heatingDays":9,"degreeDayNum":15,"solarIrradianceKwhM2":159.3,"windSpeedAvg":4.62,"relativeHumidity":66.5,"outsideTempOnHeatingDays":16.28},{"month":8,"outsideTemp":19.82,"heatingDays":9,"degreeDayNum":17,"solarIrradianceKwhM2":138,"windSpeedAvg":4.46,"relativeHumidity":66.9,"outsideTempOnHeatingDays":16.12},{"month":9,"outsideTemp":15.12,"heatingDays":24,"degreeDayNum":96,"solarIrradianceKwhM2":91.2,"windSpeedAvg":4.69,"relativeHumidity":73.3,"outsideTempOnHeatingDays":14.03},{"month":10,"outsideTemp":10.02,"heatingDays":30,"degreeDayNum":247,"solarIrradianceKwhM2":55,"windSpeedAvg":4.91,"relativeHumidity":79.7,"outsideTempOnHeatingDays":9.94},{"month":11,"outsideTemp":4.92,"heatingDays":30,"degreeDayNum":392,"solarIrradianceKwhM2":26.3,"windSpeedAvg":4.9,"relativeHumidity":85.7,"outsideTempOnHeatingDays":4.92},{"month":12,"outsideTemp":1.43,"heatingDays":31,"degreeDayNum":513,"solarIrradianceKwhM2":17.9,"windSpeedAvg":5.29,"relativeHumidity":84.8,"outsideTempOnHeatingDays":1.43}],"groundTemp1m":10.06,"groundTemp2m":10.06,"solarIrradianceKwhM2Year":1085.1,"windSpeedAvg":4.96,"relativeHumidityAvg":74.9,"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":"2026-05-19T12:16:34.838Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}