{"location":{"city":"Przodkowo","voivodeship":"Pomorskie","community":"Gmina Przodkowo","postalCode":"83-304","latitude":54.38,"longitude":18.2916,"elevation":186},"climateZone":1,"standardOutsideTemp":-16,"annualMeanTemp":7.7,"monthly":[{"month":1,"outsideTemp":-1.54,"heatingDays":31,"degreeDayNum":605,"solarIrradianceKwhM2":19.6,"windSpeedAvg":6.88,"relativeHumidity":87.5,"outsideTempOnHeatingDays":-1.54},{"month":2,"outsideTemp":-0.96,"heatingDays":28,"degreeDayNum":536,"solarIrradianceKwhM2":38.2,"windSpeedAvg":6.77,"relativeHumidity":85.4,"outsideTempOnHeatingDays":-0.96},{"month":3,"outsideTemp":1.7,"heatingDays":31,"degreeDayNum":505,"solarIrradianceKwhM2":81.7,"windSpeedAvg":6.48,"relativeHumidity":80.5,"outsideTempOnHeatingDays":1.7},{"month":4,"outsideTemp":6.76,"heatingDays":29,"degreeDayNum":337,"solarIrradianceKwhM2":129.9,"windSpeedAvg":5.79,"relativeHumidity":75.3,"outsideTempOnHeatingDays":6.7},{"month":5,"outsideTemp":11.63,"heatingDays":29,"degreeDayNum":200,"solarIrradianceKwhM2":169.3,"windSpeedAvg":5.56,"relativeHumidity":74.1,"outsideTempOnHeatingDays":11.13},{"month":6,"outsideTemp":15.09,"heatingDays":25,"degreeDayNum":96,"solarIrradianceKwhM2":171,"windSpeedAvg":5.64,"relativeHumidity":75.1,"outsideTempOnHeatingDays":14.15},{"month":7,"outsideTemp":17.35,"heatingDays":19,"degreeDayNum":46,"solarIrradianceKwhM2":166,"windSpeedAvg":5.45,"relativeHumidity":77.1,"outsideTempOnHeatingDays":15.63},{"month":8,"outsideTemp":17.23,"heatingDays":19,"degreeDayNum":47,"solarIrradianceKwhM2":138.2,"windSpeedAvg":5.38,"relativeHumidity":77.1,"outsideTempOnHeatingDays":15.51},{"month":9,"outsideTemp":13.16,"heatingDays":28,"degreeDayNum":146,"solarIrradianceKwhM2":88.6,"windSpeedAvg":5.75,"relativeHumidity":80.3,"outsideTempOnHeatingDays":12.9},{"month":10,"outsideTemp":8.3,"heatingDays":31,"degreeDayNum":300,"solarIrradianceKwhM2":50.7,"windSpeedAvg":6.29,"relativeHumidity":83.7,"outsideTempOnHeatingDays":8.3},{"month":11,"outsideTemp":3.59,"heatingDays":30,"degreeDayNum":432,"solarIrradianceKwhM2":21.9,"windSpeedAvg":6.26,"relativeHumidity":88.9,"outsideTempOnHeatingDays":3.59},{"month":12,"outsideTemp":0.05,"heatingDays":31,"degreeDayNum":556,"solarIrradianceKwhM2":13.6,"windSpeedAvg":6.58,"relativeHumidity":89,"outsideTempOnHeatingDays":0.05}],"groundTemp1m":8.19,"groundTemp2m":8.19,"solarIrradianceKwhM2Year":1088.5,"windSpeedAvg":6.07,"relativeHumidityAvg":81.2,"suitability":{"score":57,"rating":"fair","color":"yellow","estimatedScop":4,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV.","Wysoka średnia prędkość wiatru (6.1 m/s) — większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:26:22.034Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}