{"location":{"city":"Osina","voivodeship":"Zachodniopomorskie","community":"Osina","postalCode":"72-221","latitude":53.6045,"longitude":15.0128,"elevation":56},"climateZone":1,"standardOutsideTemp":-16,"annualMeanTemp":9.1,"monthly":[{"month":1,"outsideTemp":0.01,"heatingDays":31,"degreeDayNum":557,"solarIrradianceKwhM2":20.2,"windSpeedAvg":6.07,"relativeHumidity":85.9,"outsideTempOnHeatingDays":0.01},{"month":2,"outsideTemp":0.78,"heatingDays":28,"degreeDayNum":486,"solarIrradianceKwhM2":38.8,"windSpeedAvg":6.01,"relativeHumidity":82.5,"outsideTempOnHeatingDays":0.78},{"month":3,"outsideTemp":3.45,"heatingDays":31,"degreeDayNum":451,"solarIrradianceKwhM2":80.2,"windSpeedAvg":5.84,"relativeHumidity":78.3,"outsideTempOnHeatingDays":3.45},{"month":4,"outsideTemp":8.39,"heatingDays":29,"degreeDayNum":288,"solarIrradianceKwhM2":128.5,"windSpeedAvg":5.46,"relativeHumidity":72.9,"outsideTempOnHeatingDays":8.24},{"month":5,"outsideTemp":13.05,"heatingDays":27,"degreeDayNum":159,"solarIrradianceKwhM2":161.6,"windSpeedAvg":5.26,"relativeHumidity":71.7,"outsideTempOnHeatingDays":12.25},{"month":6,"outsideTemp":16.36,"heatingDays":21,"degreeDayNum":68,"solarIrradianceKwhM2":163.6,"windSpeedAvg":5.26,"relativeHumidity":72.1,"outsideTempOnHeatingDays":14.85},{"month":7,"outsideTemp":18.59,"heatingDays":14,"degreeDayNum":27,"solarIrradianceKwhM2":161.2,"windSpeedAvg":5.06,"relativeHumidity":72.7,"outsideTempOnHeatingDays":16.09},{"month":8,"outsideTemp":18.45,"heatingDays":14,"degreeDayNum":29,"solarIrradianceKwhM2":135.5,"windSpeedAvg":4.98,"relativeHumidity":73.1,"outsideTempOnHeatingDays":15.94},{"month":9,"outsideTemp":14.31,"heatingDays":26,"degreeDayNum":114,"solarIrradianceKwhM2":87.7,"windSpeedAvg":5.26,"relativeHumidity":77.8,"outsideTempOnHeatingDays":13.71},{"month":10,"outsideTemp":9.54,"heatingDays":31,"degreeDayNum":262,"solarIrradianceKwhM2":51,"windSpeedAvg":5.64,"relativeHumidity":82.3,"outsideTempOnHeatingDays":9.54},{"month":11,"outsideTemp":4.73,"heatingDays":30,"degreeDayNum":398,"solarIrradianceKwhM2":23.3,"windSpeedAvg":5.62,"relativeHumidity":87.5,"outsideTempOnHeatingDays":4.73},{"month":12,"outsideTemp":1.4,"heatingDays":31,"degreeDayNum":514,"solarIrradianceKwhM2":14.8,"windSpeedAvg":5.93,"relativeHumidity":87.6,"outsideTempOnHeatingDays":1.4}],"groundTemp1m":9.39,"groundTemp2m":9.39,"solarIrradianceKwhM2Year":1066.5,"windSpeedAvg":5.53,"relativeHumidityAvg":78.7,"suitability":{"score":73,"rating":"good","color":"lime","estimatedScop":4.1,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV.","Wysoka średnia prędkość wiatru (5.5 m/s) — większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:09:24.354Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}