{"location":{"city":"Ceradz Kościelny","voivodeship":"Wielkopolskie","community":"Gmina Tarnowo Podgórne","postalCode":"62-080","latitude":52.435,"longitude":16.5936,"elevation":95},"climateZone":2,"standardOutsideTemp":-18,"annualMeanTemp":9.4,"monthly":[{"month":1,"outsideTemp":-0.35,"heatingDays":31,"degreeDayNum":568,"solarIrradianceKwhM2":22.1,"windSpeedAvg":5.46,"relativeHumidity":84.2,"outsideTempOnHeatingDays":-0.35},{"month":2,"outsideTemp":0.6,"heatingDays":28,"degreeDayNum":491,"solarIrradianceKwhM2":40.7,"windSpeedAvg":5.41,"relativeHumidity":81.2,"outsideTempOnHeatingDays":0.6},{"month":3,"outsideTemp":3.7,"heatingDays":31,"degreeDayNum":443,"solarIrradianceKwhM2":82.7,"windSpeedAvg":5.37,"relativeHumidity":77,"outsideTempOnHeatingDays":3.7},{"month":4,"outsideTemp":8.99,"heatingDays":29,"degreeDayNum":270,"solarIrradianceKwhM2":131,"windSpeedAvg":4.98,"relativeHumidity":70.5,"outsideTempOnHeatingDays":8.81},{"month":5,"outsideTemp":13.9,"heatingDays":26,"degreeDayNum":135,"solarIrradianceKwhM2":160.8,"windSpeedAvg":4.82,"relativeHumidity":68.8,"outsideTempOnHeatingDays":12.94},{"month":6,"outsideTemp":17.38,"heatingDays":17,"degreeDayNum":50,"solarIrradianceKwhM2":163.7,"windSpeedAvg":4.81,"relativeHumidity":67.9,"outsideTempOnHeatingDays":15.13},{"month":7,"outsideTemp":19.4,"heatingDays":11,"degreeDayNum":20,"solarIrradianceKwhM2":161.3,"windSpeedAvg":4.68,"relativeHumidity":69,"outsideTempOnHeatingDays":16.18},{"month":8,"outsideTemp":19.19,"heatingDays":11,"degreeDayNum":21,"solarIrradianceKwhM2":138.5,"windSpeedAvg":4.49,"relativeHumidity":69.1,"outsideTempOnHeatingDays":16.07},{"month":9,"outsideTemp":14.62,"heatingDays":25,"degreeDayNum":108,"solarIrradianceKwhM2":90.8,"windSpeedAvg":4.76,"relativeHumidity":74.9,"outsideTempOnHeatingDays":13.79},{"month":10,"outsideTemp":9.55,"heatingDays":30,"degreeDayNum":261,"solarIrradianceKwhM2":53.5,"windSpeedAvg":4.99,"relativeHumidity":80.8,"outsideTempOnHeatingDays":9.52},{"month":11,"outsideTemp":4.55,"heatingDays":30,"degreeDayNum":403,"solarIrradianceKwhM2":24.9,"windSpeedAvg":5.01,"relativeHumidity":86.6,"outsideTempOnHeatingDays":4.55},{"month":12,"outsideTemp":1,"heatingDays":31,"degreeDayNum":527,"solarIrradianceKwhM2":16.7,"windSpeedAvg":5.3,"relativeHumidity":86,"outsideTempOnHeatingDays":1}],"groundTemp1m":9.6,"groundTemp2m":9.6,"solarIrradianceKwhM2Year":1086.6,"windSpeedAvg":5.01,"relativeHumidityAvg":76.3,"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 (5.0 m/s) — większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:33:44.948Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}