{"location":{"city":"Dąbrówka","voivodeship":"Mazowieckie","community":"Gmina Czosnów","postalCode":"05-152","latitude":52.3497,"longitude":20.607,"elevation":74},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":9.2,"monthly":[{"month":1,"outsideTemp":-1.37,"heatingDays":31,"degreeDayNum":600,"solarIrradianceKwhM2":23,"windSpeedAvg":5.45,"relativeHumidity":83.9,"outsideTempOnHeatingDays":-1.37},{"month":2,"outsideTemp":-0.3,"heatingDays":28,"degreeDayNum":517,"solarIrradianceKwhM2":40.8,"windSpeedAvg":5.39,"relativeHumidity":81.7,"outsideTempOnHeatingDays":-0.3},{"month":3,"outsideTemp":3.16,"heatingDays":31,"degreeDayNum":460,"solarIrradianceKwhM2":84.2,"windSpeedAvg":5.44,"relativeHumidity":76.2,"outsideTempOnHeatingDays":3.16},{"month":4,"outsideTemp":9.05,"heatingDays":29,"degreeDayNum":269,"solarIrradianceKwhM2":127.7,"windSpeedAvg":4.93,"relativeHumidity":70.1,"outsideTempOnHeatingDays":8.87},{"month":5,"outsideTemp":14.3,"heatingDays":25,"degreeDayNum":125,"solarIrradianceKwhM2":161.6,"windSpeedAvg":4.74,"relativeHumidity":69.3,"outsideTempOnHeatingDays":13.13},{"month":6,"outsideTemp":17.73,"heatingDays":16,"degreeDayNum":43,"solarIrradianceKwhM2":165.3,"windSpeedAvg":4.69,"relativeHumidity":69.4,"outsideTempOnHeatingDays":15.26},{"month":7,"outsideTemp":19.76,"heatingDays":9,"degreeDayNum":15,"solarIrradianceKwhM2":163.7,"windSpeedAvg":4.51,"relativeHumidity":70.6,"outsideTempOnHeatingDays":16.3},{"month":8,"outsideTemp":19.36,"heatingDays":10,"degreeDayNum":19,"solarIrradianceKwhM2":140.4,"windSpeedAvg":4.33,"relativeHumidity":70.2,"outsideTempOnHeatingDays":16.11},{"month":9,"outsideTemp":14.5,"heatingDays":25,"degreeDayNum":111,"solarIrradianceKwhM2":90.5,"windSpeedAvg":4.72,"relativeHumidity":75.8,"outsideTempOnHeatingDays":13.64},{"month":10,"outsideTemp":9.19,"heatingDays":30,"degreeDayNum":273,"solarIrradianceKwhM2":54.5,"windSpeedAvg":5.03,"relativeHumidity":80.7,"outsideTempOnHeatingDays":9.15},{"month":11,"outsideTemp":4.27,"heatingDays":30,"degreeDayNum":411,"solarIrradianceKwhM2":25.7,"windSpeedAvg":5.05,"relativeHumidity":85.6,"outsideTempOnHeatingDays":4.27},{"month":12,"outsideTemp":0.27,"heatingDays":31,"degreeDayNum":549,"solarIrradianceKwhM2":16.8,"windSpeedAvg":5.29,"relativeHumidity":85.3,"outsideTempOnHeatingDays":0.27}],"groundTemp1m":9.57,"groundTemp2m":9.57,"solarIrradianceKwhM2Year":1094,"windSpeedAvg":4.96,"relativeHumidityAvg":76.6,"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":"2026-05-19T12:19:04.770Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}