{"location":{"city":"Sączów","voivodeship":"Śląskie","community":"Bobrowniki","postalCode":"42-595","latitude":50.4375,"longitude":19.0354,"elevation":332},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.5,"monthly":[{"month":1,"outsideTemp":-2.17,"heatingDays":31,"degreeDayNum":625,"solarIrradianceKwhM2":28.8,"windSpeedAvg":5.98,"relativeHumidity":85.1,"outsideTempOnHeatingDays":-2.17},{"month":2,"outsideTemp":-0.99,"heatingDays":28,"degreeDayNum":536,"solarIrradianceKwhM2":48,"windSpeedAvg":5.9,"relativeHumidity":82.6,"outsideTempOnHeatingDays":-0.99},{"month":3,"outsideTemp":2.83,"heatingDays":31,"degreeDayNum":470,"solarIrradianceKwhM2":89.8,"windSpeedAvg":5.91,"relativeHumidity":76.3,"outsideTempOnHeatingDays":2.83},{"month":4,"outsideTemp":8.56,"heatingDays":29,"degreeDayNum":283,"solarIrradianceKwhM2":131.1,"windSpeedAvg":5.32,"relativeHumidity":70.3,"outsideTempOnHeatingDays":8.46},{"month":5,"outsideTemp":13.4,"heatingDays":27,"degreeDayNum":147,"solarIrradianceKwhM2":157.2,"windSpeedAvg":5.08,"relativeHumidity":72.1,"outsideTempOnHeatingDays":12.64},{"month":6,"outsideTemp":16.86,"heatingDays":19,"degreeDayNum":60,"solarIrradianceKwhM2":160.5,"windSpeedAvg":4.9,"relativeHumidity":72.9,"outsideTempOnHeatingDays":14.82},{"month":7,"outsideTemp":18.75,"heatingDays":13,"degreeDayNum":28,"solarIrradianceKwhM2":161.7,"windSpeedAvg":4.76,"relativeHumidity":72.9,"outsideTempOnHeatingDays":15.83},{"month":8,"outsideTemp":18.62,"heatingDays":13,"degreeDayNum":30,"solarIrradianceKwhM2":141.9,"windSpeedAvg":4.53,"relativeHumidity":72,"outsideTempOnHeatingDays":15.74},{"month":9,"outsideTemp":13.9,"heatingDays":26,"degreeDayNum":127,"solarIrradianceKwhM2":93.6,"windSpeedAvg":5,"relativeHumidity":76.2,"outsideTempOnHeatingDays":13.2},{"month":10,"outsideTemp":8.93,"heatingDays":30,"degreeDayNum":281,"solarIrradianceKwhM2":58.8,"windSpeedAvg":5.34,"relativeHumidity":80.8,"outsideTempOnHeatingDays":8.91},{"month":11,"outsideTemp":3.98,"heatingDays":30,"degreeDayNum":420,"solarIrradianceKwhM2":30.9,"windSpeedAvg":5.48,"relativeHumidity":85.5,"outsideTempOnHeatingDays":3.98},{"month":12,"outsideTemp":-0.58,"heatingDays":31,"degreeDayNum":576,"solarIrradianceKwhM2":22,"windSpeedAvg":5.93,"relativeHumidity":85.8,"outsideTempOnHeatingDays":-0.58}],"groundTemp1m":9.03,"groundTemp2m":9.03,"solarIrradianceKwhM2Year":1124.4,"windSpeedAvg":5.34,"relativeHumidityAvg":77.7,"suitability":{"score":61,"rating":"fair","color":"yellow","estimatedScop":4.1,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV.","Wysoka średnia prędkość wiatru (5.3 m/s) — większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:27:38.304Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}