{"location":{"city":"Janiki","voivodeship":"Śląskie","community":"Panki","postalCode":"42-140","latitude":50.922,"longitude":18.7329,"elevation":239},"climateZone":2,"standardOutsideTemp":-18,"annualMeanTemp":9,"monthly":[{"month":1,"outsideTemp":-1.49,"heatingDays":31,"degreeDayNum":604,"solarIrradianceKwhM2":27.1,"windSpeedAvg":6.14,"relativeHumidity":84.7,"outsideTempOnHeatingDays":-1.49},{"month":2,"outsideTemp":-0.37,"heatingDays":28,"degreeDayNum":519,"solarIrradianceKwhM2":45.9,"windSpeedAvg":6.02,"relativeHumidity":82.1,"outsideTempOnHeatingDays":-0.37},{"month":3,"outsideTemp":3.18,"heatingDays":31,"degreeDayNum":459,"solarIrradianceKwhM2":88.8,"windSpeedAvg":5.93,"relativeHumidity":76.6,"outsideTempOnHeatingDays":3.18},{"month":4,"outsideTemp":8.86,"heatingDays":29,"degreeDayNum":274,"solarIrradianceKwhM2":131.4,"windSpeedAvg":5.41,"relativeHumidity":70,"outsideTempOnHeatingDays":8.71},{"month":5,"outsideTemp":13.86,"heatingDays":26,"degreeDayNum":136,"solarIrradianceKwhM2":158.8,"windSpeedAvg":5.25,"relativeHumidity":70,"outsideTempOnHeatingDays":12.82},{"month":6,"outsideTemp":17.41,"heatingDays":17,"degreeDayNum":51,"solarIrradianceKwhM2":162,"windSpeedAvg":5.09,"relativeHumidity":69.5,"outsideTempOnHeatingDays":15.04},{"month":7,"outsideTemp":19.36,"heatingDays":11,"degreeDayNum":22,"solarIrradianceKwhM2":162.1,"windSpeedAvg":4.98,"relativeHumidity":69.9,"outsideTempOnHeatingDays":16.08},{"month":8,"outsideTemp":19.19,"heatingDays":10,"degreeDayNum":23,"solarIrradianceKwhM2":141.7,"windSpeedAvg":4.72,"relativeHumidity":69.2,"outsideTempOnHeatingDays":15.83},{"month":9,"outsideTemp":14.37,"heatingDays":25,"degreeDayNum":116,"solarIrradianceKwhM2":93.5,"windSpeedAvg":5.13,"relativeHumidity":74.7,"outsideTempOnHeatingDays":13.45},{"month":10,"outsideTemp":9.33,"heatingDays":30,"degreeDayNum":269,"solarIrradianceKwhM2":58.2,"windSpeedAvg":5.51,"relativeHumidity":80.3,"outsideTempOnHeatingDays":9.28},{"month":11,"outsideTemp":4.43,"heatingDays":30,"degreeDayNum":407,"solarIrradianceKwhM2":29.6,"windSpeedAvg":5.67,"relativeHumidity":85.3,"outsideTempOnHeatingDays":4.43},{"month":12,"outsideTemp":0.1,"heatingDays":31,"degreeDayNum":555,"solarIrradianceKwhM2":20.6,"windSpeedAvg":6.04,"relativeHumidity":85.5,"outsideTempOnHeatingDays":0.1}],"groundTemp1m":9.49,"groundTemp2m":9.49,"solarIrradianceKwhM2Year":1119.7,"windSpeedAvg":5.49,"relativeHumidityAvg":76.5,"suitability":{"score":68,"rating":"good","color":"lime","estimatedScop":4.1,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV.","Wysoka średnia prędkość wiatru (5.5 m/s) — większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:27:58.256Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}