{"location":{"city":"Łukoszyno-Borki","voivodeship":"Mazowieckie","community":"Gmina Brudzeń Duży","postalCode":"09-414","latitude":52.6922,"longitude":19.5737,"elevation":104},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.9,"monthly":[{"month":1,"outsideTemp":-1.46,"heatingDays":31,"degreeDayNum":603,"solarIrradianceKwhM2":21.9,"windSpeedAvg":5.64,"relativeHumidity":85.4,"outsideTempOnHeatingDays":-1.46},{"month":2,"outsideTemp":-0.36,"heatingDays":28,"degreeDayNum":518,"solarIrradianceKwhM2":39.4,"windSpeedAvg":5.6,"relativeHumidity":82.5,"outsideTempOnHeatingDays":-0.36},{"month":3,"outsideTemp":2.91,"heatingDays":31,"degreeDayNum":467,"solarIrradianceKwhM2":82.7,"windSpeedAvg":5.61,"relativeHumidity":77.3,"outsideTempOnHeatingDays":2.91},{"month":4,"outsideTemp":8.62,"heatingDays":29,"degreeDayNum":282,"solarIrradianceKwhM2":128.2,"windSpeedAvg":5.11,"relativeHumidity":71.5,"outsideTempOnHeatingDays":8.47},{"month":5,"outsideTemp":13.72,"heatingDays":26,"degreeDayNum":140,"solarIrradianceKwhM2":161.3,"windSpeedAvg":4.98,"relativeHumidity":70.5,"outsideTempOnHeatingDays":12.78},{"month":6,"outsideTemp":17.15,"heatingDays":18,"degreeDayNum":53,"solarIrradianceKwhM2":164,"windSpeedAvg":4.88,"relativeHumidity":70.6,"outsideTempOnHeatingDays":15.05},{"month":7,"outsideTemp":19.26,"heatingDays":11,"degreeDayNum":20,"solarIrradianceKwhM2":162,"windSpeedAvg":4.73,"relativeHumidity":71.6,"outsideTempOnHeatingDays":16.23},{"month":8,"outsideTemp":18.96,"heatingDays":11,"degreeDayNum":23,"solarIrradianceKwhM2":138.6,"windSpeedAvg":4.53,"relativeHumidity":71,"outsideTempOnHeatingDays":16.04},{"month":9,"outsideTemp":14.24,"heatingDays":26,"degreeDayNum":118,"solarIrradianceKwhM2":89,"windSpeedAvg":4.95,"relativeHumidity":76.3,"outsideTempOnHeatingDays":13.53},{"month":10,"outsideTemp":9,"heatingDays":30,"degreeDayNum":279,"solarIrradianceKwhM2":53.1,"windSpeedAvg":5.25,"relativeHumidity":81.6,"outsideTempOnHeatingDays":8.98},{"month":11,"outsideTemp":4.1,"heatingDays":30,"degreeDayNum":417,"solarIrradianceKwhM2":24.3,"windSpeedAvg":5.29,"relativeHumidity":86.9,"outsideTempOnHeatingDays":4.1},{"month":12,"outsideTemp":0.16,"heatingDays":31,"degreeDayNum":552,"solarIrradianceKwhM2":15.8,"windSpeedAvg":5.48,"relativeHumidity":86.8,"outsideTempOnHeatingDays":0.16}],"groundTemp1m":9.24,"groundTemp2m":9.24,"solarIrradianceKwhM2Year":1080.3,"windSpeedAvg":5.17,"relativeHumidityAvg":77.7,"suitability":{"score":67,"rating":"good","color":"lime","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":"2026-05-19T12:08:28.701Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}