{"location":{"city":"Jaczów","voivodeship":"Dolnośląskie","community":"Gmina Jerzmanowa","postalCode":"67-210","latitude":51.627,"longitude":16.0761,"elevation":130},"climateZone":2,"standardOutsideTemp":-18,"annualMeanTemp":9.6,"monthly":[{"month":1,"outsideTemp":-0.26,"heatingDays":31,"degreeDayNum":566,"solarIrradianceKwhM2":24.1,"windSpeedAvg":5.64,"relativeHumidity":83.5,"outsideTempOnHeatingDays":-0.26},{"month":2,"outsideTemp":0.77,"heatingDays":28,"degreeDayNum":487,"solarIrradianceKwhM2":43,"windSpeedAvg":5.53,"relativeHumidity":80.5,"outsideTempOnHeatingDays":0.77},{"month":3,"outsideTemp":3.99,"heatingDays":31,"degreeDayNum":434,"solarIrradianceKwhM2":84.6,"windSpeedAvg":5.51,"relativeHumidity":76.7,"outsideTempOnHeatingDays":3.99},{"month":4,"outsideTemp":9.29,"heatingDays":29,"degreeDayNum":262,"solarIrradianceKwhM2":130.7,"windSpeedAvg":5.08,"relativeHumidity":69.8,"outsideTempOnHeatingDays":9.06},{"month":5,"outsideTemp":14.23,"heatingDays":26,"degreeDayNum":126,"solarIrradianceKwhM2":157.8,"windSpeedAvg":4.94,"relativeHumidity":68.1,"outsideTempOnHeatingDays":13.13},{"month":6,"outsideTemp":17.77,"heatingDays":16,"degreeDayNum":46,"solarIrradianceKwhM2":160.7,"windSpeedAvg":4.9,"relativeHumidity":67.2,"outsideTempOnHeatingDays":15.13},{"month":7,"outsideTemp":19.71,"heatingDays":10,"degreeDayNum":18,"solarIrradianceKwhM2":160.3,"windSpeedAvg":4.76,"relativeHumidity":67.9,"outsideTempOnHeatingDays":16.22},{"month":8,"outsideTemp":19.52,"heatingDays":10,"degreeDayNum":19,"solarIrradianceKwhM2":139.2,"windSpeedAvg":4.57,"relativeHumidity":68.1,"outsideTempOnHeatingDays":16.1},{"month":9,"outsideTemp":14.83,"heatingDays":24,"degreeDayNum":103,"solarIrradianceKwhM2":92,"windSpeedAvg":4.82,"relativeHumidity":74.1,"outsideTempOnHeatingDays":13.82},{"month":10,"outsideTemp":9.79,"heatingDays":30,"degreeDayNum":254,"solarIrradianceKwhM2":56.2,"windSpeedAvg":5.06,"relativeHumidity":80,"outsideTempOnHeatingDays":9.71},{"month":11,"outsideTemp":4.67,"heatingDays":30,"degreeDayNum":399,"solarIrradianceKwhM2":27.2,"windSpeedAvg":5.05,"relativeHumidity":85.7,"outsideTempOnHeatingDays":4.67},{"month":12,"outsideTemp":1.07,"heatingDays":31,"degreeDayNum":524,"solarIrradianceKwhM2":18.7,"windSpeedAvg":5.49,"relativeHumidity":84.8,"outsideTempOnHeatingDays":1.07}],"groundTemp1m":9.75,"groundTemp2m":9.75,"solarIrradianceKwhM2Year":1094.5,"windSpeedAvg":5.11,"relativeHumidityAvg":75.5,"suitability":{"score":78,"rating":"good","color":"lime","estimatedScop":4.2,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV.","Wysoka średnia prędkość wiatru (5.1 m/s) — większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:07:49.083Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}