{"location":{"city":"Kobylnica","voivodeship":"Mazowieckie","community":"Gmina Maciejowice","postalCode":"08-480","latitude":51.6512,"longitude":21.5723,"elevation":111},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":9.2,"monthly":[{"month":1,"outsideTemp":-1.55,"heatingDays":31,"degreeDayNum":606,"solarIrradianceKwhM2":23.8,"windSpeedAvg":5.12,"relativeHumidity":83.3,"outsideTempOnHeatingDays":-1.55},{"month":2,"outsideTemp":-0.46,"heatingDays":28,"degreeDayNum":521,"solarIrradianceKwhM2":41.7,"windSpeedAvg":5.07,"relativeHumidity":81.5,"outsideTempOnHeatingDays":-0.46},{"month":3,"outsideTemp":3.14,"heatingDays":31,"degreeDayNum":460,"solarIrradianceKwhM2":85.6,"windSpeedAvg":5.16,"relativeHumidity":75.8,"outsideTempOnHeatingDays":3.14},{"month":4,"outsideTemp":9.18,"heatingDays":29,"degreeDayNum":265,"solarIrradianceKwhM2":127.5,"windSpeedAvg":4.71,"relativeHumidity":69.7,"outsideTempOnHeatingDays":9.04},{"month":5,"outsideTemp":14.54,"heatingDays":25,"degreeDayNum":118,"solarIrradianceKwhM2":160.3,"windSpeedAvg":4.54,"relativeHumidity":69,"outsideTempOnHeatingDays":13.25},{"month":6,"outsideTemp":18.02,"heatingDays":15,"degreeDayNum":40,"solarIrradianceKwhM2":165.1,"windSpeedAvg":4.46,"relativeHumidity":69.1,"outsideTempOnHeatingDays":15.35},{"month":7,"outsideTemp":19.99,"heatingDays":8,"degreeDayNum":14,"solarIrradianceKwhM2":162.8,"windSpeedAvg":4.29,"relativeHumidity":70.2,"outsideTempOnHeatingDays":16.36},{"month":8,"outsideTemp":19.53,"heatingDays":9,"degreeDayNum":18,"solarIrradianceKwhM2":141,"windSpeedAvg":4.11,"relativeHumidity":70.1,"outsideTempOnHeatingDays":16.09},{"month":9,"outsideTemp":14.57,"heatingDays":25,"degreeDayNum":110,"solarIrradianceKwhM2":91.2,"windSpeedAvg":4.46,"relativeHumidity":75.9,"outsideTempOnHeatingDays":13.64},{"month":10,"outsideTemp":9.18,"heatingDays":30,"degreeDayNum":273,"solarIrradianceKwhM2":55.8,"windSpeedAvg":4.72,"relativeHumidity":80.7,"outsideTempOnHeatingDays":9.14},{"month":11,"outsideTemp":4.22,"heatingDays":30,"degreeDayNum":413,"solarIrradianceKwhM2":26.9,"windSpeedAvg":4.78,"relativeHumidity":85.2,"outsideTempOnHeatingDays":4.22},{"month":12,"outsideTemp":0.04,"heatingDays":31,"degreeDayNum":556,"solarIrradianceKwhM2":17.5,"windSpeedAvg":4.96,"relativeHumidity":85.2,"outsideTempOnHeatingDays":0.04}],"groundTemp1m":9.59,"groundTemp2m":9.59,"solarIrradianceKwhM2Year":1099,"windSpeedAvg":4.7,"relativeHumidityAvg":76.3,"suitability":{"score":71,"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":"2026-05-19T12:17:52.308Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}