{"location":{"city":"Brodzięcin","voivodeship":"Mazowieckie","community":"Gmina Ojrzeń","postalCode":"06-456","latitude":52.7566,"longitude":20.5947,"elevation":113},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.6,"monthly":[{"month":1,"outsideTemp":-1.92,"heatingDays":31,"degreeDayNum":617,"solarIrradianceKwhM2":22.2,"windSpeedAvg":5.71,"relativeHumidity":85.6,"outsideTempOnHeatingDays":-1.92},{"month":2,"outsideTemp":-0.91,"heatingDays":28,"degreeDayNum":534,"solarIrradianceKwhM2":40,"windSpeedAvg":5.66,"relativeHumidity":83.1,"outsideTempOnHeatingDays":-0.91},{"month":3,"outsideTemp":2.54,"heatingDays":31,"degreeDayNum":479,"solarIrradianceKwhM2":83.2,"windSpeedAvg":5.69,"relativeHumidity":77.1,"outsideTempOnHeatingDays":2.54},{"month":4,"outsideTemp":8.4,"heatingDays":29,"degreeDayNum":288,"solarIrradianceKwhM2":127.6,"windSpeedAvg":5.14,"relativeHumidity":71.2,"outsideTempOnHeatingDays":8.28},{"month":5,"outsideTemp":13.58,"heatingDays":26,"degreeDayNum":143,"solarIrradianceKwhM2":162.3,"windSpeedAvg":4.99,"relativeHumidity":70.7,"outsideTempOnHeatingDays":12.65},{"month":6,"outsideTemp":17.02,"heatingDays":18,"degreeDayNum":55,"solarIrradianceKwhM2":165.6,"windSpeedAvg":4.9,"relativeHumidity":70.8,"outsideTempOnHeatingDays":15.04},{"month":7,"outsideTemp":19.15,"heatingDays":12,"degreeDayNum":21,"solarIrradianceKwhM2":163.9,"windSpeedAvg":4.74,"relativeHumidity":71.7,"outsideTempOnHeatingDays":16.18},{"month":8,"outsideTemp":18.8,"heatingDays":12,"degreeDayNum":25,"solarIrradianceKwhM2":139.3,"windSpeedAvg":4.56,"relativeHumidity":70.9,"outsideTempOnHeatingDays":16.03},{"month":9,"outsideTemp":14.02,"heatingDays":26,"degreeDayNum":124,"solarIrradianceKwhM2":89.4,"windSpeedAvg":4.98,"relativeHumidity":76.4,"outsideTempOnHeatingDays":13.38},{"month":10,"outsideTemp":8.66,"heatingDays":31,"degreeDayNum":289,"solarIrradianceKwhM2":53.2,"windSpeedAvg":5.32,"relativeHumidity":81.6,"outsideTempOnHeatingDays":8.65},{"month":11,"outsideTemp":3.76,"heatingDays":30,"degreeDayNum":427,"solarIrradianceKwhM2":24.2,"windSpeedAvg":5.35,"relativeHumidity":86.8,"outsideTempOnHeatingDays":3.76},{"month":12,"outsideTemp":-0.22,"heatingDays":31,"degreeDayNum":564,"solarIrradianceKwhM2":15.8,"windSpeedAvg":5.51,"relativeHumidity":86.8,"outsideTempOnHeatingDays":-0.22}],"groundTemp1m":9.14,"groundTemp2m":9.14,"solarIrradianceKwhM2Year":1086.7,"windSpeedAvg":5.21,"relativeHumidityAvg":77.7,"suitability":{"score":64,"rating":"fair","color":"yellow","estimatedScop":4.1,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV.","Wysoka średnia prędkość wiatru (5.2 m/s) — większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:17:43.682Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}