{"location":{"city":"Zalas","voivodeship":"Małopolskie","community":"Gmina Krzeszowice","postalCode":"32-067","latitude":50.0828,"longitude":19.6163,"elevation":368},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.1,"monthly":[{"month":1,"outsideTemp":-2.64,"heatingDays":31,"degreeDayNum":639,"solarIrradianceKwhM2":30.5,"windSpeedAvg":5.04,"relativeHumidity":84,"outsideTempOnHeatingDays":-2.64},{"month":2,"outsideTemp":-1.3,"heatingDays":28,"degreeDayNum":545,"solarIrradianceKwhM2":49,"windSpeedAvg":5.08,"relativeHumidity":81.3,"outsideTempOnHeatingDays":-1.3},{"month":3,"outsideTemp":2.51,"heatingDays":31,"degreeDayNum":480,"solarIrradianceKwhM2":90.9,"windSpeedAvg":5.22,"relativeHumidity":76,"outsideTempOnHeatingDays":2.51},{"month":4,"outsideTemp":8.15,"heatingDays":29,"degreeDayNum":295,"solarIrradianceKwhM2":130.2,"windSpeedAvg":4.65,"relativeHumidity":71.4,"outsideTempOnHeatingDays":8.1},{"month":5,"outsideTemp":13.04,"heatingDays":28,"degreeDayNum":157,"solarIrradianceKwhM2":155.2,"windSpeedAvg":4.39,"relativeHumidity":73.6,"outsideTempOnHeatingDays":12.45},{"month":6,"outsideTemp":16.55,"heatingDays":19,"degreeDayNum":65,"solarIrradianceKwhM2":158.6,"windSpeedAvg":4.28,"relativeHumidity":74.6,"outsideTempOnHeatingDays":14.66},{"month":7,"outsideTemp":18.47,"heatingDays":14,"degreeDayNum":31,"solarIrradianceKwhM2":159,"windSpeedAvg":4.13,"relativeHumidity":73.9,"outsideTempOnHeatingDays":15.77},{"month":8,"outsideTemp":18.25,"heatingDays":15,"degreeDayNum":34,"solarIrradianceKwhM2":141.1,"windSpeedAvg":3.9,"relativeHumidity":73.4,"outsideTempOnHeatingDays":15.71},{"month":9,"outsideTemp":13.45,"heatingDays":27,"degreeDayNum":139,"solarIrradianceKwhM2":94.1,"windSpeedAvg":4.3,"relativeHumidity":77.3,"outsideTempOnHeatingDays":12.94},{"month":10,"outsideTemp":8.45,"heatingDays":31,"degreeDayNum":296,"solarIrradianceKwhM2":60.4,"windSpeedAvg":4.45,"relativeHumidity":81.3,"outsideTempOnHeatingDays":8.44},{"month":11,"outsideTemp":3.39,"heatingDays":30,"degreeDayNum":438,"solarIrradianceKwhM2":32.6,"windSpeedAvg":4.51,"relativeHumidity":85.6,"outsideTempOnHeatingDays":3.39},{"month":12,"outsideTemp":-1.01,"heatingDays":31,"degreeDayNum":589,"solarIrradianceKwhM2":23.4,"windSpeedAvg":4.88,"relativeHumidity":84.8,"outsideTempOnHeatingDays":-1.01}],"groundTemp1m":8.65,"groundTemp2m":8.65,"solarIrradianceKwhM2Year":1125,"windSpeedAvg":4.57,"relativeHumidityAvg":78.1,"suitability":{"score":57,"rating":"fair","color":"yellow","estimatedScop":4,"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":"2026-05-19T12:16:56.302Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}