{"location":{"city":"Tarnogóra","voivodeship":"Lubelskie","community":"Gmina Izbica","postalCode":"22-375","latitude":50.8951,"longitude":23.1354,"elevation":203},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.6,"monthly":[{"month":1,"outsideTemp":-2.39,"heatingDays":31,"degreeDayNum":631,"solarIrradianceKwhM2":26.2,"windSpeedAvg":5.41,"relativeHumidity":84.5,"outsideTempOnHeatingDays":-2.39},{"month":2,"outsideTemp":-1.28,"heatingDays":28,"degreeDayNum":545,"solarIrradianceKwhM2":44.3,"windSpeedAvg":5.37,"relativeHumidity":82.8,"outsideTempOnHeatingDays":-1.28},{"month":3,"outsideTemp":2.48,"heatingDays":31,"degreeDayNum":481,"solarIrradianceKwhM2":87.9,"windSpeedAvg":5.41,"relativeHumidity":76.9,"outsideTempOnHeatingDays":2.48},{"month":4,"outsideTemp":8.68,"heatingDays":29,"degreeDayNum":279,"solarIrradianceKwhM2":130.3,"windSpeedAvg":4.94,"relativeHumidity":71.3,"outsideTempOnHeatingDays":8.57},{"month":5,"outsideTemp":14,"heatingDays":26,"degreeDayNum":131,"solarIrradianceKwhM2":161.4,"windSpeedAvg":4.71,"relativeHumidity":71.9,"outsideTempOnHeatingDays":13},{"month":6,"outsideTemp":17.55,"heatingDays":17,"degreeDayNum":46,"solarIrradianceKwhM2":168.1,"windSpeedAvg":4.54,"relativeHumidity":72.5,"outsideTempOnHeatingDays":15.28},{"month":7,"outsideTemp":19.47,"heatingDays":10,"degreeDayNum":18,"solarIrradianceKwhM2":163.8,"windSpeedAvg":4.37,"relativeHumidity":72.9,"outsideTempOnHeatingDays":16.25},{"month":8,"outsideTemp":19.05,"heatingDays":11,"degreeDayNum":22,"solarIrradianceKwhM2":144.4,"windSpeedAvg":4.26,"relativeHumidity":71.8,"outsideTempOnHeatingDays":16.01},{"month":9,"outsideTemp":14.11,"heatingDays":26,"degreeDayNum":122,"solarIrradianceKwhM2":93.2,"windSpeedAvg":4.66,"relativeHumidity":76.7,"outsideTempOnHeatingDays":13.31},{"month":10,"outsideTemp":8.75,"heatingDays":30,"degreeDayNum":286,"solarIrradianceKwhM2":59,"windSpeedAvg":5,"relativeHumidity":80.8,"outsideTempOnHeatingDays":8.71},{"month":11,"outsideTemp":3.72,"heatingDays":30,"degreeDayNum":428,"solarIrradianceKwhM2":29.3,"windSpeedAvg":5.13,"relativeHumidity":85.2,"outsideTempOnHeatingDays":3.72},{"month":12,"outsideTemp":-0.73,"heatingDays":31,"degreeDayNum":580,"solarIrradianceKwhM2":19.4,"windSpeedAvg":5.35,"relativeHumidity":85.6,"outsideTempOnHeatingDays":-0.73}],"groundTemp1m":9.05,"groundTemp2m":9.05,"solarIrradianceKwhM2Year":1127.3,"windSpeedAvg":4.93,"relativeHumidityAvg":77.7,"suitability":{"score":63,"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":"2026-05-19T12:14:51.343Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}