{"location":{"city":"Szarów","voivodeship":"Małopolskie","community":"Gmina Kłaj","postalCode":"32-014","latitude":49.9997,"longitude":20.2652,"elevation":241},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.8,"monthly":[{"month":1,"outsideTemp":-1.94,"heatingDays":31,"degreeDayNum":618,"solarIrradianceKwhM2":30.1,"windSpeedAvg":4.79,"relativeHumidity":82,"outsideTempOnHeatingDays":-1.94},{"month":2,"outsideTemp":-0.61,"heatingDays":28,"degreeDayNum":526,"solarIrradianceKwhM2":48.5,"windSpeedAvg":4.92,"relativeHumidity":79.6,"outsideTempOnHeatingDays":-0.61},{"month":3,"outsideTemp":3.27,"heatingDays":31,"degreeDayNum":456,"solarIrradianceKwhM2":90.9,"windSpeedAvg":5.07,"relativeHumidity":74.7,"outsideTempOnHeatingDays":3.27},{"month":4,"outsideTemp":8.92,"heatingDays":29,"degreeDayNum":272,"solarIrradianceKwhM2":130.2,"windSpeedAvg":4.55,"relativeHumidity":70.9,"outsideTempOnHeatingDays":8.81},{"month":5,"outsideTemp":13.83,"heatingDays":27,"degreeDayNum":135,"solarIrradianceKwhM2":155.6,"windSpeedAvg":4.31,"relativeHumidity":72.9,"outsideTempOnHeatingDays":13},{"month":6,"outsideTemp":17.36,"heatingDays":17,"degreeDayNum":50,"solarIrradianceKwhM2":159.3,"windSpeedAvg":4.21,"relativeHumidity":73.9,"outsideTempOnHeatingDays":15.08},{"month":7,"outsideTemp":19.26,"heatingDays":10,"degreeDayNum":20,"solarIrradianceKwhM2":159,"windSpeedAvg":4.09,"relativeHumidity":73.2,"outsideTempOnHeatingDays":16.01},{"month":8,"outsideTemp":18.99,"heatingDays":11,"degreeDayNum":23,"solarIrradianceKwhM2":141.3,"windSpeedAvg":3.83,"relativeHumidity":73.1,"outsideTempOnHeatingDays":15.99},{"month":9,"outsideTemp":14.15,"heatingDays":26,"degreeDayNum":121,"solarIrradianceKwhM2":94.7,"windSpeedAvg":4.18,"relativeHumidity":76.8,"outsideTempOnHeatingDays":13.42},{"month":10,"outsideTemp":9,"heatingDays":30,"degreeDayNum":279,"solarIrradianceKwhM2":60.8,"windSpeedAvg":4.29,"relativeHumidity":80.7,"outsideTempOnHeatingDays":8.94},{"month":11,"outsideTemp":3.9,"heatingDays":30,"degreeDayNum":423,"solarIrradianceKwhM2":32.7,"windSpeedAvg":4.29,"relativeHumidity":84.5,"outsideTempOnHeatingDays":3.9},{"month":12,"outsideTemp":-0.42,"heatingDays":31,"degreeDayNum":571,"solarIrradianceKwhM2":23.2,"windSpeedAvg":4.59,"relativeHumidity":83.2,"outsideTempOnHeatingDays":-0.42}],"groundTemp1m":9.19,"groundTemp2m":9.19,"solarIrradianceKwhM2Year":1126.4,"windSpeedAvg":4.43,"relativeHumidityAvg":77.1,"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":"2026-05-19T12:17:32.027Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}