{"location":{"city":"Majdan Nowy","voivodeship":"Lubelskie","community":"Księżpol","postalCode":"23-414","latitude":50.4669,"longitude":22.7451,"elevation":222},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.7,"monthly":[{"month":1,"outsideTemp":-2.41,"heatingDays":31,"degreeDayNum":632,"solarIrradianceKwhM2":27.4,"windSpeedAvg":5.22,"relativeHumidity":84,"outsideTempOnHeatingDays":-2.41},{"month":2,"outsideTemp":-1.24,"heatingDays":28,"degreeDayNum":543,"solarIrradianceKwhM2":45.5,"windSpeedAvg":5.2,"relativeHumidity":82.3,"outsideTempOnHeatingDays":-1.24},{"month":3,"outsideTemp":2.67,"heatingDays":31,"degreeDayNum":475,"solarIrradianceKwhM2":87.6,"windSpeedAvg":5.31,"relativeHumidity":76.1,"outsideTempOnHeatingDays":2.67},{"month":4,"outsideTemp":8.9,"heatingDays":29,"degreeDayNum":273,"solarIrradianceKwhM2":129.6,"windSpeedAvg":4.91,"relativeHumidity":70.4,"outsideTempOnHeatingDays":8.77},{"month":5,"outsideTemp":14.23,"heatingDays":26,"degreeDayNum":126,"solarIrradianceKwhM2":158.5,"windSpeedAvg":4.67,"relativeHumidity":70.8,"outsideTempOnHeatingDays":13.15},{"month":6,"outsideTemp":17.79,"heatingDays":16,"degreeDayNum":43,"solarIrradianceKwhM2":164.4,"windSpeedAvg":4.5,"relativeHumidity":71.3,"outsideTempOnHeatingDays":15.33},{"month":7,"outsideTemp":19.64,"heatingDays":9,"degreeDayNum":17,"solarIrradianceKwhM2":161.6,"windSpeedAvg":4.34,"relativeHumidity":71.9,"outsideTempOnHeatingDays":16.2},{"month":8,"outsideTemp":19.22,"heatingDays":11,"degreeDayNum":21,"solarIrradianceKwhM2":143.4,"windSpeedAvg":4.16,"relativeHumidity":71.1,"outsideTempOnHeatingDays":16},{"month":9,"outsideTemp":14.22,"heatingDays":26,"degreeDayNum":120,"solarIrradianceKwhM2":93.9,"windSpeedAvg":4.57,"relativeHumidity":75.9,"outsideTempOnHeatingDays":13.4},{"month":10,"outsideTemp":8.86,"heatingDays":30,"degreeDayNum":283,"solarIrradianceKwhM2":59.5,"windSpeedAvg":4.85,"relativeHumidity":80.1,"outsideTempOnHeatingDays":8.79},{"month":11,"outsideTemp":3.81,"heatingDays":30,"degreeDayNum":425,"solarIrradianceKwhM2":30.3,"windSpeedAvg":4.96,"relativeHumidity":84.5,"outsideTempOnHeatingDays":3.81},{"month":12,"outsideTemp":-0.74,"heatingDays":31,"degreeDayNum":580,"solarIrradianceKwhM2":20.5,"windSpeedAvg":5.13,"relativeHumidity":84.8,"outsideTempOnHeatingDays":-0.74}],"groundTemp1m":9.29,"groundTemp2m":9.29,"solarIrradianceKwhM2Year":1122.2,"windSpeedAvg":4.82,"relativeHumidityAvg":76.9,"suitability":{"score":64,"rating":"fair","color":"yellow","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":"2026-05-19T12:14:22.601Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}