{"location":{"city":"Poręba","voivodeship":"Śląskie","community":"Poręba","postalCode":"42-480","latitude":50.4912,"longitude":19.3335,"elevation":318},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.6,"monthly":[{"month":1,"outsideTemp":-2.14,"heatingDays":31,"degreeDayNum":624,"solarIrradianceKwhM2":28.8,"windSpeedAvg":6.07,"relativeHumidity":85.7,"outsideTempOnHeatingDays":-2.14},{"month":2,"outsideTemp":-0.96,"heatingDays":28,"degreeDayNum":535,"solarIrradianceKwhM2":48,"windSpeedAvg":5.98,"relativeHumidity":83.2,"outsideTempOnHeatingDays":-0.96},{"month":3,"outsideTemp":2.84,"heatingDays":31,"degreeDayNum":469,"solarIrradianceKwhM2":89.9,"windSpeedAvg":5.99,"relativeHumidity":76.7,"outsideTempOnHeatingDays":2.84},{"month":4,"outsideTemp":8.61,"heatingDays":29,"degreeDayNum":282,"solarIrradianceKwhM2":130.8,"windSpeedAvg":5.35,"relativeHumidity":70.5,"outsideTempOnHeatingDays":8.52},{"month":5,"outsideTemp":13.52,"heatingDays":27,"degreeDayNum":144,"solarIrradianceKwhM2":157.2,"windSpeedAvg":5.13,"relativeHumidity":72,"outsideTempOnHeatingDays":12.7},{"month":6,"outsideTemp":16.99,"heatingDays":18,"degreeDayNum":57,"solarIrradianceKwhM2":160.6,"windSpeedAvg":4.95,"relativeHumidity":72.6,"outsideTempOnHeatingDays":14.85},{"month":7,"outsideTemp":18.9,"heatingDays":12,"degreeDayNum":27,"solarIrradianceKwhM2":161.2,"windSpeedAvg":4.79,"relativeHumidity":72.7,"outsideTempOnHeatingDays":15.87},{"month":8,"outsideTemp":18.75,"heatingDays":12,"degreeDayNum":28,"solarIrradianceKwhM2":141.9,"windSpeedAvg":4.57,"relativeHumidity":71.6,"outsideTempOnHeatingDays":15.76},{"month":9,"outsideTemp":13.98,"heatingDays":26,"degreeDayNum":125,"solarIrradianceKwhM2":93.6,"windSpeedAvg":5.05,"relativeHumidity":76.3,"outsideTempOnHeatingDays":13.24},{"month":10,"outsideTemp":8.97,"heatingDays":30,"degreeDayNum":279,"solarIrradianceKwhM2":58.7,"windSpeedAvg":5.37,"relativeHumidity":81.1,"outsideTempOnHeatingDays":8.94},{"month":11,"outsideTemp":4.02,"heatingDays":30,"degreeDayNum":419,"solarIrradianceKwhM2":30.9,"windSpeedAvg":5.49,"relativeHumidity":86,"outsideTempOnHeatingDays":4.02},{"month":12,"outsideTemp":-0.49,"heatingDays":31,"degreeDayNum":573,"solarIrradianceKwhM2":22,"windSpeedAvg":5.98,"relativeHumidity":86.2,"outsideTempOnHeatingDays":-0.49}],"groundTemp1m":9.14,"groundTemp2m":9.14,"solarIrradianceKwhM2Year":1123.5,"windSpeedAvg":5.39,"relativeHumidityAvg":77.9,"suitability":{"score":62,"rating":"fair","color":"yellow","estimatedScop":4.1,"notes":["Wysokie nasłonecznienie - bardzo dobre warunki dla hybrydy pompa ciepła + PV.","Wysoka średnia prędkość wiatru (5.4 m/s) - większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991-2020)","fetchedAt":"2026-05-19T12:28:16.148Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}