{"location":{"city":"Stojanowice","voivodeship":"Świętokrzyskie","community":"Gmina Bejsce","postalCode":"28-512","latitude":50.2267,"longitude":20.5572,"elevation":210},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":9.1,"monthly":[{"month":1,"outsideTemp":-1.82,"heatingDays":31,"degreeDayNum":614,"solarIrradianceKwhM2":29.4,"windSpeedAvg":5.36,"relativeHumidity":82.3,"outsideTempOnHeatingDays":-1.82},{"month":2,"outsideTemp":-0.55,"heatingDays":28,"degreeDayNum":524,"solarIrradianceKwhM2":48.2,"windSpeedAvg":5.42,"relativeHumidity":79.9,"outsideTempOnHeatingDays":-0.55},{"month":3,"outsideTemp":3.39,"heatingDays":31,"degreeDayNum":452,"solarIrradianceKwhM2":91.1,"windSpeedAvg":5.55,"relativeHumidity":74.2,"outsideTempOnHeatingDays":3.39},{"month":4,"outsideTemp":9.15,"heatingDays":29,"degreeDayNum":265,"solarIrradianceKwhM2":131.1,"windSpeedAvg":4.97,"relativeHumidity":70,"outsideTempOnHeatingDays":9.04},{"month":5,"outsideTemp":14.12,"heatingDays":26,"degreeDayNum":127,"solarIrradianceKwhM2":158.9,"windSpeedAvg":4.78,"relativeHumidity":71.8,"outsideTempOnHeatingDays":13.19},{"month":6,"outsideTemp":17.67,"heatingDays":16,"degreeDayNum":44,"solarIrradianceKwhM2":163.3,"windSpeedAvg":4.62,"relativeHumidity":72.4,"outsideTempOnHeatingDays":15.27},{"month":7,"outsideTemp":19.66,"heatingDays":9,"degreeDayNum":17,"solarIrradianceKwhM2":162.2,"windSpeedAvg":4.49,"relativeHumidity":71.2,"outsideTempOnHeatingDays":16.14},{"month":8,"outsideTemp":19.43,"heatingDays":10,"degreeDayNum":19,"solarIrradianceKwhM2":143.3,"windSpeedAvg":4.24,"relativeHumidity":70.6,"outsideTempOnHeatingDays":16.07},{"month":9,"outsideTemp":14.5,"heatingDays":25,"degreeDayNum":112,"solarIrradianceKwhM2":95.3,"windSpeedAvg":4.64,"relativeHumidity":75.2,"outsideTempOnHeatingDays":13.65},{"month":10,"outsideTemp":9.26,"heatingDays":30,"degreeDayNum":270,"solarIrradianceKwhM2":60,"windSpeedAvg":4.77,"relativeHumidity":79.5,"outsideTempOnHeatingDays":9.19},{"month":11,"outsideTemp":4.17,"heatingDays":30,"degreeDayNum":414,"solarIrradianceKwhM2":31.7,"windSpeedAvg":4.83,"relativeHumidity":83.7,"outsideTempOnHeatingDays":4.17},{"month":12,"outsideTemp":-0.15,"heatingDays":31,"degreeDayNum":562,"solarIrradianceKwhM2":22.3,"windSpeedAvg":5.11,"relativeHumidity":83,"outsideTempOnHeatingDays":-0.15}],"groundTemp1m":9.66,"groundTemp2m":9.66,"solarIrradianceKwhM2Year":1136.8,"windSpeedAvg":4.9,"relativeHumidityAvg":76.2,"suitability":{"score":69,"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":"2026-05-19T12:28:32.498Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}