{"location":{"city":"Osusz","voivodeship":"Wielkopolskie","community":"Gmina Krotoszyn","postalCode":"63-700","latitude":51.6999,"longitude":17.3964,"elevation":121},"climateZone":2,"standardOutsideTemp":-18,"annualMeanTemp":9.5,"monthly":[{"month":1,"outsideTemp":-0.59,"heatingDays":31,"degreeDayNum":576,"solarIrradianceKwhM2":24.2,"windSpeedAvg":5.81,"relativeHumidity":83.8,"outsideTempOnHeatingDays":-0.59},{"month":2,"outsideTemp":0.51,"heatingDays":28,"degreeDayNum":494,"solarIrradianceKwhM2":42.9,"windSpeedAvg":5.76,"relativeHumidity":80.7,"outsideTempOnHeatingDays":0.51},{"month":3,"outsideTemp":3.76,"heatingDays":31,"degreeDayNum":441,"solarIrradianceKwhM2":85.7,"windSpeedAvg":5.72,"relativeHumidity":76.5,"outsideTempOnHeatingDays":3.76},{"month":4,"outsideTemp":9.17,"heatingDays":29,"degreeDayNum":265,"solarIrradianceKwhM2":131.4,"windSpeedAvg":5.28,"relativeHumidity":70.2,"outsideTempOnHeatingDays":8.97},{"month":5,"outsideTemp":14.15,"heatingDays":26,"degreeDayNum":128,"solarIrradianceKwhM2":160.3,"windSpeedAvg":5.14,"relativeHumidity":68.8,"outsideTempOnHeatingDays":13.07},{"month":6,"outsideTemp":17.73,"heatingDays":16,"degreeDayNum":45,"solarIrradianceKwhM2":163.8,"windSpeedAvg":5.07,"relativeHumidity":67.8,"outsideTempOnHeatingDays":15.2},{"month":7,"outsideTemp":19.72,"heatingDays":10,"degreeDayNum":17,"solarIrradianceKwhM2":163.3,"windSpeedAvg":4.94,"relativeHumidity":68.4,"outsideTempOnHeatingDays":16.29},{"month":8,"outsideTemp":19.59,"heatingDays":9,"degreeDayNum":18,"solarIrradianceKwhM2":141.4,"windSpeedAvg":4.73,"relativeHumidity":67.7,"outsideTempOnHeatingDays":16.04},{"month":9,"outsideTemp":14.83,"heatingDays":24,"degreeDayNum":104,"solarIrradianceKwhM2":92.7,"windSpeedAvg":5.03,"relativeHumidity":73.8,"outsideTempOnHeatingDays":13.8},{"month":10,"outsideTemp":9.72,"heatingDays":30,"degreeDayNum":256,"solarIrradianceKwhM2":56.2,"windSpeedAvg":5.29,"relativeHumidity":79.8,"outsideTempOnHeatingDays":9.66},{"month":11,"outsideTemp":4.73,"heatingDays":30,"degreeDayNum":398,"solarIrradianceKwhM2":27.4,"windSpeedAvg":5.37,"relativeHumidity":85.6,"outsideTempOnHeatingDays":4.73},{"month":12,"outsideTemp":0.86,"heatingDays":31,"degreeDayNum":531,"solarIrradianceKwhM2":18.6,"windSpeedAvg":5.66,"relativeHumidity":85.2,"outsideTempOnHeatingDays":0.86}],"groundTemp1m":9.82,"groundTemp2m":9.82,"solarIrradianceKwhM2Year":1107.9,"windSpeedAvg":5.32,"relativeHumidityAvg":75.7,"suitability":{"score":76,"rating":"good","color":"lime","estimatedScop":4.2,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV.","Wysoka średnia prędkość wiatru (5.3 m/s) — większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:33:00.494Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}