{"location":{"city":"Czeberaki","voivodeship":"Mazowieckie","community":"Gmina Stara Kornica","postalCode":"08-205","latitude":52.2102,"longitude":22.8513,"elevation":165},"climateZone":4,"standardOutsideTemp":-22,"annualMeanTemp":8.3,"monthly":[{"month":1,"outsideTemp":-2.59,"heatingDays":31,"degreeDayNum":638,"solarIrradianceKwhM2":23,"windSpeedAvg":5.62,"relativeHumidity":85.4,"outsideTempOnHeatingDays":-2.59},{"month":2,"outsideTemp":-1.68,"heatingDays":28,"degreeDayNum":556,"solarIrradianceKwhM2":41.1,"windSpeedAvg":5.57,"relativeHumidity":83.4,"outsideTempOnHeatingDays":-1.68},{"month":3,"outsideTemp":2.04,"heatingDays":31,"degreeDayNum":494,"solarIrradianceKwhM2":85.3,"windSpeedAvg":5.62,"relativeHumidity":77.2,"outsideTempOnHeatingDays":2.04},{"month":4,"outsideTemp":8.29,"heatingDays":29,"degreeDayNum":291,"solarIrradianceKwhM2":126.9,"windSpeedAvg":5.09,"relativeHumidity":70.8,"outsideTempOnHeatingDays":8.21},{"month":5,"outsideTemp":13.76,"heatingDays":26,"degreeDayNum":138,"solarIrradianceKwhM2":162.3,"windSpeedAvg":4.94,"relativeHumidity":70,"outsideTempOnHeatingDays":12.8},{"month":6,"outsideTemp":17.26,"heatingDays":18,"degreeDayNum":52,"solarIrradianceKwhM2":166,"windSpeedAvg":4.78,"relativeHumidity":70.3,"outsideTempOnHeatingDays":15.11},{"month":7,"outsideTemp":19.38,"heatingDays":10,"degreeDayNum":20,"solarIrradianceKwhM2":164.2,"windSpeedAvg":4.6,"relativeHumidity":70.8,"outsideTempOnHeatingDays":16.09},{"month":8,"outsideTemp":18.83,"heatingDays":12,"degreeDayNum":26,"solarIrradianceKwhM2":140.3,"windSpeedAvg":4.51,"relativeHumidity":70.3,"outsideTempOnHeatingDays":15.91},{"month":9,"outsideTemp":13.82,"heatingDays":26,"degreeDayNum":130,"solarIrradianceKwhM2":90.1,"windSpeedAvg":4.89,"relativeHumidity":76.2,"outsideTempOnHeatingDays":13.15},{"month":10,"outsideTemp":8.33,"heatingDays":30,"degreeDayNum":299,"solarIrradianceKwhM2":54.6,"windSpeedAvg":5.24,"relativeHumidity":81.2,"outsideTempOnHeatingDays":8.31},{"month":11,"outsideTemp":3.32,"heatingDays":30,"degreeDayNum":440,"solarIrradianceKwhM2":25.4,"windSpeedAvg":5.31,"relativeHumidity":86.2,"outsideTempOnHeatingDays":3.32},{"month":12,"outsideTemp":-0.91,"heatingDays":31,"degreeDayNum":586,"solarIrradianceKwhM2":16.4,"windSpeedAvg":5.46,"relativeHumidity":86.9,"outsideTempOnHeatingDays":-0.91}],"groundTemp1m":9,"groundTemp2m":9,"solarIrradianceKwhM2Year":1095.6,"windSpeedAvg":5.13,"relativeHumidityAvg":77.4,"suitability":{"score":60,"rating":"fair","color":"yellow","estimatedScop":4.1,"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":"2026-05-19T12:18:29.551Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}