{"location":{"city":"Przecławka","voivodeship":"Świętokrzyskie","community":"Michałów","postalCode":"28-411","latitude":50.4327,"longitude":20.384,"elevation":337},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.3,"monthly":[{"month":1,"outsideTemp":-2.48,"heatingDays":31,"degreeDayNum":635,"solarIrradianceKwhM2":28.6,"windSpeedAvg":5.66,"relativeHumidity":83.3,"outsideTempOnHeatingDays":-2.48},{"month":2,"outsideTemp":-1.26,"heatingDays":28,"degreeDayNum":544,"solarIrradianceKwhM2":47.4,"windSpeedAvg":5.68,"relativeHumidity":81,"outsideTempOnHeatingDays":-1.26},{"month":3,"outsideTemp":2.6,"heatingDays":31,"degreeDayNum":477,"solarIrradianceKwhM2":90.5,"windSpeedAvg":5.79,"relativeHumidity":74.9,"outsideTempOnHeatingDays":2.6},{"month":4,"outsideTemp":8.32,"heatingDays":29,"degreeDayNum":290,"solarIrradianceKwhM2":130.8,"windSpeedAvg":5.2,"relativeHumidity":70,"outsideTempOnHeatingDays":8.25},{"month":5,"outsideTemp":13.31,"heatingDays":27,"degreeDayNum":149,"solarIrradianceKwhM2":159.4,"windSpeedAvg":5.01,"relativeHumidity":71.6,"outsideTempOnHeatingDays":12.6},{"month":6,"outsideTemp":16.85,"heatingDays":18,"degreeDayNum":59,"solarIrradianceKwhM2":163.8,"windSpeedAvg":4.85,"relativeHumidity":71.9,"outsideTempOnHeatingDays":14.8},{"month":7,"outsideTemp":18.9,"heatingDays":12,"degreeDayNum":25,"solarIrradianceKwhM2":162.2,"windSpeedAvg":4.72,"relativeHumidity":70.7,"outsideTempOnHeatingDays":15.91},{"month":8,"outsideTemp":18.68,"heatingDays":12,"degreeDayNum":28,"solarIrradianceKwhM2":143.1,"windSpeedAvg":4.47,"relativeHumidity":69.9,"outsideTempOnHeatingDays":15.79},{"month":9,"outsideTemp":13.76,"heatingDays":26,"degreeDayNum":132,"solarIrradianceKwhM2":94.8,"windSpeedAvg":4.89,"relativeHumidity":74.9,"outsideTempOnHeatingDays":13.08},{"month":10,"outsideTemp":8.55,"heatingDays":30,"degreeDayNum":293,"solarIrradianceKwhM2":59.3,"windSpeedAvg":5.06,"relativeHumidity":80,"outsideTempOnHeatingDays":8.52},{"month":11,"outsideTemp":3.44,"heatingDays":30,"degreeDayNum":436,"solarIrradianceKwhM2":30.8,"windSpeedAvg":5.11,"relativeHumidity":84.7,"outsideTempOnHeatingDays":3.44},{"month":12,"outsideTemp":-0.79,"heatingDays":31,"degreeDayNum":582,"solarIrradianceKwhM2":21.5,"windSpeedAvg":5.46,"relativeHumidity":83.9,"outsideTempOnHeatingDays":-0.79}],"groundTemp1m":8.89,"groundTemp2m":8.89,"solarIrradianceKwhM2Year":1132.3,"windSpeedAvg":5.16,"relativeHumidityAvg":76.4,"suitability":{"score":59,"rating":"fair","color":"yellow","estimatedScop":4.1,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV.","Wysoka średnia prędkość wiatru (5.2 m/s) — większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:29:38.454Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}