{"location":{"city":"Huta Stara B","voivodeship":"Śląskie","community":"Gmina Poczesna","postalCode":"42-263","latitude":50.7358,"longitude":19.1328,"elevation":283},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.8,"monthly":[{"month":1,"outsideTemp":-1.87,"heatingDays":31,"degreeDayNum":616,"solarIrradianceKwhM2":28,"windSpeedAvg":6.23,"relativeHumidity":85,"outsideTempOnHeatingDays":-1.87},{"month":2,"outsideTemp":-0.77,"heatingDays":28,"degreeDayNum":530,"solarIrradianceKwhM2":46.9,"windSpeedAvg":6.1,"relativeHumidity":82.6,"outsideTempOnHeatingDays":-0.77},{"month":3,"outsideTemp":2.93,"heatingDays":31,"degreeDayNum":467,"solarIrradianceKwhM2":89.4,"windSpeedAvg":6.04,"relativeHumidity":76.5,"outsideTempOnHeatingDays":2.93},{"month":4,"outsideTemp":8.68,"heatingDays":29,"degreeDayNum":280,"solarIrradianceKwhM2":130.6,"windSpeedAvg":5.4,"relativeHumidity":70,"outsideTempOnHeatingDays":8.57},{"month":5,"outsideTemp":13.65,"heatingDays":26,"degreeDayNum":141,"solarIrradianceKwhM2":157.7,"windSpeedAvg":5.2,"relativeHumidity":70.7,"outsideTempOnHeatingDays":12.74},{"month":6,"outsideTemp":17.19,"heatingDays":18,"degreeDayNum":55,"solarIrradianceKwhM2":160.7,"windSpeedAvg":5.05,"relativeHumidity":70.5,"outsideTempOnHeatingDays":14.94},{"month":7,"outsideTemp":19.11,"heatingDays":12,"degreeDayNum":24,"solarIrradianceKwhM2":160.8,"windSpeedAvg":4.91,"relativeHumidity":70.8,"outsideTempOnHeatingDays":15.95},{"month":8,"outsideTemp":18.96,"heatingDays":12,"degreeDayNum":26,"solarIrradianceKwhM2":141.3,"windSpeedAvg":4.68,"relativeHumidity":69.9,"outsideTempOnHeatingDays":15.79},{"month":9,"outsideTemp":14.14,"heatingDays":25,"degreeDayNum":122,"solarIrradianceKwhM2":93,"windSpeedAvg":5.15,"relativeHumidity":75.1,"outsideTempOnHeatingDays":13.27},{"month":10,"outsideTemp":9.11,"heatingDays":30,"degreeDayNum":275,"solarIrradianceKwhM2":58.1,"windSpeedAvg":5.51,"relativeHumidity":80.4,"outsideTempOnHeatingDays":9.07},{"month":11,"outsideTemp":4.19,"heatingDays":30,"degreeDayNum":414,"solarIrradianceKwhM2":30,"windSpeedAvg":5.64,"relativeHumidity":85.4,"outsideTempOnHeatingDays":4.19},{"month":12,"outsideTemp":-0.25,"heatingDays":31,"degreeDayNum":565,"solarIrradianceKwhM2":21.2,"windSpeedAvg":6.14,"relativeHumidity":85.6,"outsideTempOnHeatingDays":-0.25}],"groundTemp1m":9.31,"groundTemp2m":9.31,"solarIrradianceKwhM2Year":1117.6,"windSpeedAvg":5.51,"relativeHumidityAvg":76.9,"suitability":{"score":64,"rating":"fair","color":"yellow","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":"2026-05-19T12:27:50.687Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}