{"location":{"city":"Borcuchy","voivodeship":"Świętokrzyskie","community":"Gmina Bałtów","postalCode":"27-423","latitude":51.0358,"longitude":21.4978,"elevation":192},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.8,"monthly":[{"month":1,"outsideTemp":-1.89,"heatingDays":31,"degreeDayNum":616,"solarIrradianceKwhM2":26.6,"windSpeedAvg":5.39,"relativeHumidity":83.4,"outsideTempOnHeatingDays":-1.89},{"month":2,"outsideTemp":-0.82,"heatingDays":28,"degreeDayNum":531,"solarIrradianceKwhM2":45.3,"windSpeedAvg":5.37,"relativeHumidity":81.8,"outsideTempOnHeatingDays":-0.82},{"month":3,"outsideTemp":2.88,"heatingDays":31,"degreeDayNum":468,"solarIrradianceKwhM2":88.8,"windSpeedAvg":5.44,"relativeHumidity":76.1,"outsideTempOnHeatingDays":2.88},{"month":4,"outsideTemp":8.8,"heatingDays":29,"degreeDayNum":276,"solarIrradianceKwhM2":129.3,"windSpeedAvg":4.97,"relativeHumidity":70.7,"outsideTempOnHeatingDays":8.69},{"month":5,"outsideTemp":14.02,"heatingDays":26,"degreeDayNum":130,"solarIrradianceKwhM2":160.3,"windSpeedAvg":4.77,"relativeHumidity":71.2,"outsideTempOnHeatingDays":13.03},{"month":6,"outsideTemp":17.55,"heatingDays":16,"degreeDayNum":46,"solarIrradianceKwhM2":165.4,"windSpeedAvg":4.63,"relativeHumidity":71.2,"outsideTempOnHeatingDays":15.23},{"month":7,"outsideTemp":19.54,"heatingDays":10,"degreeDayNum":17,"solarIrradianceKwhM2":162.5,"windSpeedAvg":4.45,"relativeHumidity":71.2,"outsideTempOnHeatingDays":16.22},{"month":8,"outsideTemp":19.14,"heatingDays":11,"degreeDayNum":22,"solarIrradianceKwhM2":142.3,"windSpeedAvg":4.26,"relativeHumidity":70.8,"outsideTempOnHeatingDays":15.98},{"month":9,"outsideTemp":14.22,"heatingDays":26,"degreeDayNum":119,"solarIrradianceKwhM2":93.4,"windSpeedAvg":4.69,"relativeHumidity":76.1,"outsideTempOnHeatingDays":13.4},{"month":10,"outsideTemp":8.91,"heatingDays":30,"degreeDayNum":281,"solarIrradianceKwhM2":58.4,"windSpeedAvg":4.91,"relativeHumidity":80.8,"outsideTempOnHeatingDays":8.89},{"month":11,"outsideTemp":3.96,"heatingDays":30,"degreeDayNum":421,"solarIrradianceKwhM2":29.3,"windSpeedAvg":5.05,"relativeHumidity":85,"outsideTempOnHeatingDays":3.96},{"month":12,"outsideTemp":-0.28,"heatingDays":31,"degreeDayNum":566,"solarIrradianceKwhM2":19.9,"windSpeedAvg":5.27,"relativeHumidity":84.8,"outsideTempOnHeatingDays":-0.28}],"groundTemp1m":9.41,"groundTemp2m":9.41,"solarIrradianceKwhM2Year":1121.5,"windSpeedAvg":4.94,"relativeHumidityAvg":76.9,"suitability":{"score":67,"rating":"good","color":"lime","estimatedScop":4.1,"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":"2026-05-19T12:29:34.737Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}