{"location":{"city":"Chudów","voivodeship":"Śląskie","community":"Gierałtowice","postalCode":"44-177","latitude":50.2124,"longitude":18.7774,"elevation":244},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":9.2,"monthly":[{"month":1,"outsideTemp":-1.5,"heatingDays":31,"degreeDayNum":604,"solarIrradianceKwhM2":29.6,"windSpeedAvg":5.91,"relativeHumidity":83.5,"outsideTempOnHeatingDays":-1.5},{"month":2,"outsideTemp":-0.24,"heatingDays":28,"degreeDayNum":515,"solarIrradianceKwhM2":48.6,"windSpeedAvg":5.88,"relativeHumidity":80.7,"outsideTempOnHeatingDays":-0.24},{"month":3,"outsideTemp":3.58,"heatingDays":31,"degreeDayNum":447,"solarIrradianceKwhM2":89.8,"windSpeedAvg":5.88,"relativeHumidity":74.8,"outsideTempOnHeatingDays":3.58},{"month":4,"outsideTemp":9.17,"heatingDays":29,"degreeDayNum":265,"solarIrradianceKwhM2":131.2,"windSpeedAvg":5.3,"relativeHumidity":69.7,"outsideTempOnHeatingDays":9.07},{"month":5,"outsideTemp":13.92,"heatingDays":26,"degreeDayNum":132,"solarIrradianceKwhM2":156.6,"windSpeedAvg":5.02,"relativeHumidity":72.2,"outsideTempOnHeatingDays":13.05},{"month":6,"outsideTemp":17.42,"heatingDays":17,"degreeDayNum":49,"solarIrradianceKwhM2":160.4,"windSpeedAvg":4.83,"relativeHumidity":73,"outsideTempOnHeatingDays":15.17},{"month":7,"outsideTemp":19.35,"heatingDays":10,"degreeDayNum":20,"solarIrradianceKwhM2":162.2,"windSpeedAvg":4.68,"relativeHumidity":72.5,"outsideTempOnHeatingDays":16.12},{"month":8,"outsideTemp":19.23,"heatingDays":10,"degreeDayNum":21,"solarIrradianceKwhM2":142.3,"windSpeedAvg":4.46,"relativeHumidity":71.5,"outsideTempOnHeatingDays":15.99},{"month":9,"outsideTemp":14.55,"heatingDays":25,"degreeDayNum":110,"solarIrradianceKwhM2":94.2,"windSpeedAvg":4.96,"relativeHumidity":75.3,"outsideTempOnHeatingDays":13.64},{"month":10,"outsideTemp":9.66,"heatingDays":30,"degreeDayNum":258,"solarIrradianceKwhM2":59.3,"windSpeedAvg":5.28,"relativeHumidity":79.4,"outsideTempOnHeatingDays":9.59},{"month":11,"outsideTemp":4.72,"heatingDays":30,"degreeDayNum":398,"solarIrradianceKwhM2":31.6,"windSpeedAvg":5.44,"relativeHumidity":83.8,"outsideTempOnHeatingDays":4.72},{"month":12,"outsideTemp":0.13,"heatingDays":31,"degreeDayNum":553,"solarIrradianceKwhM2":22.6,"windSpeedAvg":5.86,"relativeHumidity":84,"outsideTempOnHeatingDays":0.13}],"groundTemp1m":9.7,"groundTemp2m":9.7,"solarIrradianceKwhM2Year":1128.5,"windSpeedAvg":5.29,"relativeHumidityAvg":76.7,"suitability":{"score":70,"rating":"good","color":"lime","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":"2026-05-19T12:27:55.439Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}