{"location":{"city":"Podpniewki","voivodeship":"Wielkopolskie","community":"Pniewy","postalCode":"62-045","latitude":52.5313,"longitude":16.2799,"elevation":100},"climateZone":2,"standardOutsideTemp":-18,"annualMeanTemp":9.4,"monthly":[{"month":1,"outsideTemp":-0.32,"heatingDays":31,"degreeDayNum":567,"solarIrradianceKwhM2":22,"windSpeedAvg":5.51,"relativeHumidity":84.5,"outsideTempOnHeatingDays":-0.32},{"month":2,"outsideTemp":0.61,"heatingDays":28,"degreeDayNum":491,"solarIrradianceKwhM2":40.5,"windSpeedAvg":5.44,"relativeHumidity":81.4,"outsideTempOnHeatingDays":0.61},{"month":3,"outsideTemp":3.67,"heatingDays":31,"degreeDayNum":444,"solarIrradianceKwhM2":82.3,"windSpeedAvg":5.41,"relativeHumidity":77.1,"outsideTempOnHeatingDays":3.67},{"month":4,"outsideTemp":8.93,"heatingDays":29,"degreeDayNum":272,"solarIrradianceKwhM2":130.3,"windSpeedAvg":5.02,"relativeHumidity":70.6,"outsideTempOnHeatingDays":8.75},{"month":5,"outsideTemp":13.88,"heatingDays":26,"degreeDayNum":135,"solarIrradianceKwhM2":159.6,"windSpeedAvg":4.87,"relativeHumidity":68.5,"outsideTempOnHeatingDays":12.96},{"month":6,"outsideTemp":17.38,"heatingDays":17,"degreeDayNum":50,"solarIrradianceKwhM2":162.3,"windSpeedAvg":4.85,"relativeHumidity":67.5,"outsideTempOnHeatingDays":15.1},{"month":7,"outsideTemp":19.4,"heatingDays":11,"degreeDayNum":20,"solarIrradianceKwhM2":160.2,"windSpeedAvg":4.69,"relativeHumidity":68.6,"outsideTempOnHeatingDays":16.16},{"month":8,"outsideTemp":19.2,"heatingDays":11,"degreeDayNum":22,"solarIrradianceKwhM2":137.5,"windSpeedAvg":4.54,"relativeHumidity":68.7,"outsideTempOnHeatingDays":16.04},{"month":9,"outsideTemp":14.61,"heatingDays":25,"degreeDayNum":108,"solarIrradianceKwhM2":90.3,"windSpeedAvg":4.8,"relativeHumidity":74.9,"outsideTempOnHeatingDays":13.74},{"month":10,"outsideTemp":9.55,"heatingDays":30,"degreeDayNum":262,"solarIrradianceKwhM2":53.1,"windSpeedAvg":5.03,"relativeHumidity":81,"outsideTempOnHeatingDays":9.52},{"month":11,"outsideTemp":4.55,"heatingDays":30,"degreeDayNum":403,"solarIrradianceKwhM2":24.8,"windSpeedAvg":5.04,"relativeHumidity":86.8,"outsideTempOnHeatingDays":4.55},{"month":12,"outsideTemp":1.05,"heatingDays":31,"degreeDayNum":525,"solarIrradianceKwhM2":16.6,"windSpeedAvg":5.35,"relativeHumidity":86.2,"outsideTempOnHeatingDays":1.05}],"groundTemp1m":9.56,"groundTemp2m":9.56,"solarIrradianceKwhM2Year":1079.5,"windSpeedAvg":5.05,"relativeHumidityAvg":76.3,"suitability":{"score":75,"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":"2026-05-19T12:33:56.935Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}