{"location":{"city":"Kozielsko","voivodeship":"Wielkopolskie","community":"Gmina Damasławek","postalCode":"62-110","latitude":52.8229,"longitude":17.4203,"elevation":105},"climateZone":2,"standardOutsideTemp":-18,"annualMeanTemp":9,"monthly":[{"month":1,"outsideTemp":-0.8,"heatingDays":31,"degreeDayNum":582,"solarIrradianceKwhM2":21.9,"windSpeedAvg":5.89,"relativeHumidity":85.2,"outsideTempOnHeatingDays":-0.8},{"month":2,"outsideTemp":0.14,"heatingDays":28,"degreeDayNum":504,"solarIrradianceKwhM2":40.4,"windSpeedAvg":5.85,"relativeHumidity":82.2,"outsideTempOnHeatingDays":0.14},{"month":3,"outsideTemp":3.23,"heatingDays":31,"degreeDayNum":458,"solarIrradianceKwhM2":82.9,"windSpeedAvg":5.76,"relativeHumidity":77.6,"outsideTempOnHeatingDays":3.23},{"month":4,"outsideTemp":8.56,"heatingDays":29,"degreeDayNum":283,"solarIrradianceKwhM2":129.7,"windSpeedAvg":5.33,"relativeHumidity":71.5,"outsideTempOnHeatingDays":8.42},{"month":5,"outsideTemp":13.52,"heatingDays":27,"degreeDayNum":145,"solarIrradianceKwhM2":161.4,"windSpeedAvg":5.09,"relativeHumidity":70,"outsideTempOnHeatingDays":12.62},{"month":6,"outsideTemp":16.97,"heatingDays":19,"degreeDayNum":57,"solarIrradianceKwhM2":163.6,"windSpeedAvg":5.09,"relativeHumidity":69.5,"outsideTempOnHeatingDays":15.02},{"month":7,"outsideTemp":19.04,"heatingDays":12,"degreeDayNum":23,"solarIrradianceKwhM2":161.6,"windSpeedAvg":4.97,"relativeHumidity":70.6,"outsideTempOnHeatingDays":16.11},{"month":8,"outsideTemp":18.82,"heatingDays":12,"degreeDayNum":25,"solarIrradianceKwhM2":138.2,"windSpeedAvg":4.77,"relativeHumidity":70.7,"outsideTempOnHeatingDays":16.03},{"month":9,"outsideTemp":14.27,"heatingDays":26,"degreeDayNum":117,"solarIrradianceKwhM2":89.9,"windSpeedAvg":5.13,"relativeHumidity":76.1,"outsideTempOnHeatingDays":13.57},{"month":10,"outsideTemp":9.21,"heatingDays":31,"degreeDayNum":272,"solarIrradianceKwhM2":53.2,"windSpeedAvg":5.4,"relativeHumidity":81.7,"outsideTempOnHeatingDays":9.2},{"month":11,"outsideTemp":4.28,"heatingDays":30,"degreeDayNum":411,"solarIrradianceKwhM2":24.3,"windSpeedAvg":5.45,"relativeHumidity":87.4,"outsideTempOnHeatingDays":4.28},{"month":12,"outsideTemp":0.66,"heatingDays":31,"degreeDayNum":537,"solarIrradianceKwhM2":16.1,"windSpeedAvg":5.7,"relativeHumidity":86.9,"outsideTempOnHeatingDays":0.66}],"groundTemp1m":9.19,"groundTemp2m":9.19,"solarIrradianceKwhM2Year":1083,"windSpeedAvg":5.37,"relativeHumidityAvg":77.5,"suitability":{"score":70,"rating":"good","color":"lime","estimatedScop":4.1,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV.","Wysoka średnia prędkość wiatru (5.4 m/s) — większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:34:18.051Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}