{"location":{"city":"Majdan Zahorodyński","voivodeship":"Lubelskie","community":"Gmina Siedliszcze","postalCode":"22-130","latitude":51.2201,"longitude":23.1397,"elevation":175},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.8,"monthly":[{"month":1,"outsideTemp":-2.23,"heatingDays":31,"degreeDayNum":627,"solarIrradianceKwhM2":25.8,"windSpeedAvg":5.44,"relativeHumidity":84,"outsideTempOnHeatingDays":-2.23},{"month":2,"outsideTemp":-1.14,"heatingDays":28,"degreeDayNum":541,"solarIrradianceKwhM2":44.3,"windSpeedAvg":5.41,"relativeHumidity":82.3,"outsideTempOnHeatingDays":-1.14},{"month":3,"outsideTemp":2.57,"heatingDays":31,"degreeDayNum":478,"solarIrradianceKwhM2":88,"windSpeedAvg":5.48,"relativeHumidity":76.5,"outsideTempOnHeatingDays":2.57},{"month":4,"outsideTemp":8.81,"heatingDays":29,"degreeDayNum":276,"solarIrradianceKwhM2":129.6,"windSpeedAvg":4.99,"relativeHumidity":70.5,"outsideTempOnHeatingDays":8.67},{"month":5,"outsideTemp":14.18,"heatingDays":25,"degreeDayNum":127,"solarIrradianceKwhM2":161.4,"windSpeedAvg":4.82,"relativeHumidity":70.5,"outsideTempOnHeatingDays":13.09},{"month":6,"outsideTemp":17.74,"heatingDays":16,"degreeDayNum":43,"solarIrradianceKwhM2":167.7,"windSpeedAvg":4.66,"relativeHumidity":70.7,"outsideTempOnHeatingDays":15.36},{"month":7,"outsideTemp":19.68,"heatingDays":9,"degreeDayNum":16,"solarIrradianceKwhM2":163.3,"windSpeedAvg":4.47,"relativeHumidity":71.5,"outsideTempOnHeatingDays":16.29},{"month":8,"outsideTemp":19.19,"heatingDays":10,"degreeDayNum":21,"solarIrradianceKwhM2":143.7,"windSpeedAvg":4.36,"relativeHumidity":70.7,"outsideTempOnHeatingDays":15.98},{"month":9,"outsideTemp":14.23,"heatingDays":25,"degreeDayNum":120,"solarIrradianceKwhM2":92.4,"windSpeedAvg":4.74,"relativeHumidity":76,"outsideTempOnHeatingDays":13.36},{"month":10,"outsideTemp":8.81,"heatingDays":30,"degreeDayNum":285,"solarIrradianceKwhM2":58.1,"windSpeedAvg":5.06,"relativeHumidity":80.4,"outsideTempOnHeatingDays":8.78},{"month":11,"outsideTemp":3.8,"heatingDays":30,"degreeDayNum":426,"solarIrradianceKwhM2":28.6,"windSpeedAvg":5.18,"relativeHumidity":84.8,"outsideTempOnHeatingDays":3.8},{"month":12,"outsideTemp":-0.6,"heatingDays":31,"degreeDayNum":576,"solarIrradianceKwhM2":19,"windSpeedAvg":5.38,"relativeHumidity":85.4,"outsideTempOnHeatingDays":-0.6}],"groundTemp1m":9.21,"groundTemp2m":9.21,"solarIrradianceKwhM2Year":1121.8,"windSpeedAvg":5,"relativeHumidityAvg":76.9,"suitability":{"score":65,"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":"2026-05-19T12:14:33.391Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}