{"location":{"city":"Jelenin","voivodeship":"Lubuskie","community":"Żagań","postalCode":"68-100","latitude":51.6712,"longitude":15.4662,"elevation":145},"climateZone":2,"standardOutsideTemp":-18,"annualMeanTemp":9.5,"monthly":[{"month":1,"outsideTemp":-0.21,"heatingDays":31,"degreeDayNum":564,"solarIrradianceKwhM2":23.9,"windSpeedAvg":5.52,"relativeHumidity":83.4,"outsideTempOnHeatingDays":-0.21},{"month":2,"outsideTemp":0.77,"heatingDays":28,"degreeDayNum":487,"solarIrradianceKwhM2":42.7,"windSpeedAvg":5.39,"relativeHumidity":80.5,"outsideTempOnHeatingDays":0.77},{"month":3,"outsideTemp":3.94,"heatingDays":31,"degreeDayNum":435,"solarIrradianceKwhM2":83.9,"windSpeedAvg":5.34,"relativeHumidity":76.8,"outsideTempOnHeatingDays":3.94},{"month":4,"outsideTemp":9.17,"heatingDays":29,"degreeDayNum":265,"solarIrradianceKwhM2":130.2,"windSpeedAvg":4.92,"relativeHumidity":69.5,"outsideTempOnHeatingDays":8.94},{"month":5,"outsideTemp":14.09,"heatingDays":26,"degreeDayNum":130,"solarIrradianceKwhM2":156.9,"windSpeedAvg":4.8,"relativeHumidity":67.5,"outsideTempOnHeatingDays":13.02},{"month":6,"outsideTemp":17.59,"heatingDays":16,"degreeDayNum":49,"solarIrradianceKwhM2":159.6,"windSpeedAvg":4.73,"relativeHumidity":66.6,"outsideTempOnHeatingDays":15.06},{"month":7,"outsideTemp":19.52,"heatingDays":10,"degreeDayNum":20,"solarIrradianceKwhM2":159.2,"windSpeedAvg":4.58,"relativeHumidity":67.5,"outsideTempOnHeatingDays":16.07},{"month":8,"outsideTemp":19.32,"heatingDays":11,"degreeDayNum":22,"solarIrradianceKwhM2":138.1,"windSpeedAvg":4.43,"relativeHumidity":67.8,"outsideTempOnHeatingDays":16.04},{"month":9,"outsideTemp":14.69,"heatingDays":25,"degreeDayNum":107,"solarIrradianceKwhM2":91.8,"windSpeedAvg":4.66,"relativeHumidity":74.1,"outsideTempOnHeatingDays":13.74},{"month":10,"outsideTemp":9.7,"heatingDays":30,"degreeDayNum":257,"solarIrradianceKwhM2":55.9,"windSpeedAvg":4.92,"relativeHumidity":79.9,"outsideTempOnHeatingDays":9.62},{"month":11,"outsideTemp":4.62,"heatingDays":30,"degreeDayNum":401,"solarIrradianceKwhM2":27.1,"windSpeedAvg":4.95,"relativeHumidity":85.6,"outsideTempOnHeatingDays":4.62},{"month":12,"outsideTemp":1.16,"heatingDays":31,"degreeDayNum":521,"solarIrradianceKwhM2":18.6,"windSpeedAvg":5.41,"relativeHumidity":84.5,"outsideTempOnHeatingDays":1.16}],"groundTemp1m":9.65,"groundTemp2m":9.65,"solarIrradianceKwhM2Year":1087.7,"windSpeedAvg":4.97,"relativeHumidityAvg":75.3,"suitability":{"score":77,"rating":"good","color":"lime","estimatedScop":4.2,"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":"2026-05-19T12:16:37.496Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}