{"location":{"city":"Zaborze","voivodeship":"Śląskie","community":"Żarki","postalCode":"42-310","latitude":50.6762,"longitude":19.3094,"elevation":326},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.5,"monthly":[{"month":1,"outsideTemp":-2.11,"heatingDays":31,"degreeDayNum":623,"solarIrradianceKwhM2":28,"windSpeedAvg":6.23,"relativeHumidity":85,"outsideTempOnHeatingDays":-2.11},{"month":2,"outsideTemp":-1,"heatingDays":28,"degreeDayNum":537,"solarIrradianceKwhM2":46.9,"windSpeedAvg":6.1,"relativeHumidity":82.6,"outsideTempOnHeatingDays":-1},{"month":3,"outsideTemp":2.69,"heatingDays":31,"degreeDayNum":474,"solarIrradianceKwhM2":89.5,"windSpeedAvg":6.03,"relativeHumidity":76.4,"outsideTempOnHeatingDays":2.69},{"month":4,"outsideTemp":8.43,"heatingDays":29,"degreeDayNum":287,"solarIrradianceKwhM2":130.7,"windSpeedAvg":5.39,"relativeHumidity":70,"outsideTempOnHeatingDays":8.33},{"month":5,"outsideTemp":13.42,"heatingDays":27,"degreeDayNum":147,"solarIrradianceKwhM2":157.6,"windSpeedAvg":5.19,"relativeHumidity":70.7,"outsideTempOnHeatingDays":12.59},{"month":6,"outsideTemp":16.97,"heatingDays":18,"degreeDayNum":59,"solarIrradianceKwhM2":160.7,"windSpeedAvg":5.05,"relativeHumidity":70.5,"outsideTempOnHeatingDays":14.82},{"month":7,"outsideTemp":18.89,"heatingDays":12,"degreeDayNum":27,"solarIrradianceKwhM2":160.9,"windSpeedAvg":4.91,"relativeHumidity":70.7,"outsideTempOnHeatingDays":15.84},{"month":8,"outsideTemp":18.72,"heatingDays":13,"degreeDayNum":29,"solarIrradianceKwhM2":141.3,"windSpeedAvg":4.67,"relativeHumidity":69.8,"outsideTempOnHeatingDays":15.72},{"month":9,"outsideTemp":13.9,"heatingDays":26,"degreeDayNum":128,"solarIrradianceKwhM2":93.1,"windSpeedAvg":5.15,"relativeHumidity":75.1,"outsideTempOnHeatingDays":13.13},{"month":10,"outsideTemp":8.87,"heatingDays":30,"degreeDayNum":283,"solarIrradianceKwhM2":58.1,"windSpeedAvg":5.51,"relativeHumidity":80.4,"outsideTempOnHeatingDays":8.84},{"month":11,"outsideTemp":3.94,"heatingDays":30,"degreeDayNum":421,"solarIrradianceKwhM2":30.1,"windSpeedAvg":5.64,"relativeHumidity":85.5,"outsideTempOnHeatingDays":3.94},{"month":12,"outsideTemp":-0.47,"heatingDays":31,"degreeDayNum":572,"solarIrradianceKwhM2":21.3,"windSpeedAvg":6.13,"relativeHumidity":85.6,"outsideTempOnHeatingDays":-0.47}],"groundTemp1m":9.05,"groundTemp2m":9.05,"solarIrradianceKwhM2Year":1118.2,"windSpeedAvg":5.5,"relativeHumidityAvg":76.9,"suitability":{"score":61,"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":"2026-05-19T12:28:03.405Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}