{"location":{"city":"Niemirówek","voivodeship":"Lubelskie","community":"Gmina Tarnawatka","postalCode":"22-604","latitude":50.5512,"longitude":23.3362,"elevation":274},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.4,"monthly":[{"month":1,"outsideTemp":-2.68,"heatingDays":31,"degreeDayNum":641,"solarIrradianceKwhM2":27.6,"windSpeedAvg":5.48,"relativeHumidity":84.7,"outsideTempOnHeatingDays":-2.68},{"month":2,"outsideTemp":-1.57,"heatingDays":28,"degreeDayNum":553,"solarIrradianceKwhM2":45.8,"windSpeedAvg":5.42,"relativeHumidity":83,"outsideTempOnHeatingDays":-1.57},{"month":3,"outsideTemp":2.26,"heatingDays":31,"degreeDayNum":487,"solarIrradianceKwhM2":88.1,"windSpeedAvg":5.46,"relativeHumidity":76.9,"outsideTempOnHeatingDays":2.26},{"month":4,"outsideTemp":8.47,"heatingDays":29,"degreeDayNum":286,"solarIrradianceKwhM2":130.6,"windSpeedAvg":5,"relativeHumidity":71.3,"outsideTempOnHeatingDays":8.37},{"month":5,"outsideTemp":13.74,"heatingDays":26,"degreeDayNum":138,"solarIrradianceKwhM2":159.7,"windSpeedAvg":4.73,"relativeHumidity":72.4,"outsideTempOnHeatingDays":12.85},{"month":6,"outsideTemp":17.3,"heatingDays":17,"degreeDayNum":50,"solarIrradianceKwhM2":166.1,"windSpeedAvg":4.53,"relativeHumidity":73.1,"outsideTempOnHeatingDays":15.15},{"month":7,"outsideTemp":19.18,"heatingDays":11,"degreeDayNum":20,"solarIrradianceKwhM2":162.9,"windSpeedAvg":4.37,"relativeHumidity":73.6,"outsideTempOnHeatingDays":16.12},{"month":8,"outsideTemp":18.78,"heatingDays":12,"degreeDayNum":25,"solarIrradianceKwhM2":144.6,"windSpeedAvg":4.21,"relativeHumidity":72.3,"outsideTempOnHeatingDays":15.94},{"month":9,"outsideTemp":13.87,"heatingDays":26,"degreeDayNum":129,"solarIrradianceKwhM2":94.2,"windSpeedAvg":4.69,"relativeHumidity":76.8,"outsideTempOnHeatingDays":13.12},{"month":10,"outsideTemp":8.59,"heatingDays":30,"degreeDayNum":291,"solarIrradianceKwhM2":59.8,"windSpeedAvg":5.03,"relativeHumidity":80.6,"outsideTempOnHeatingDays":8.55},{"month":11,"outsideTemp":3.51,"heatingDays":30,"degreeDayNum":434,"solarIrradianceKwhM2":30.5,"windSpeedAvg":5.15,"relativeHumidity":85.1,"outsideTempOnHeatingDays":3.51},{"month":12,"outsideTemp":-1.01,"heatingDays":31,"degreeDayNum":589,"solarIrradianceKwhM2":20.6,"windSpeedAvg":5.39,"relativeHumidity":85.6,"outsideTempOnHeatingDays":-1.01}],"groundTemp1m":8.9,"groundTemp2m":8.9,"solarIrradianceKwhM2Year":1130.4,"windSpeedAvg":4.96,"relativeHumidityAvg":78,"suitability":{"score":60,"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":"2026-05-19T12:15:43.476Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}