{"location":{"city":"Załakowo","voivodeship":"Pomorskie","community":"Sierakowice","postalCode":"83-340","latitude":54.3816,"longitude":17.846,"elevation":171},"climateZone":1,"standardOutsideTemp":-16,"annualMeanTemp":7.7,"monthly":[{"month":1,"outsideTemp":-1.51,"heatingDays":31,"degreeDayNum":604,"solarIrradianceKwhM2":18.8,"windSpeedAvg":6.44,"relativeHumidity":88.2,"outsideTempOnHeatingDays":-1.51},{"month":2,"outsideTemp":-0.91,"heatingDays":28,"degreeDayNum":534,"solarIrradianceKwhM2":36.7,"windSpeedAvg":6.34,"relativeHumidity":86.1,"outsideTempOnHeatingDays":-0.91},{"month":3,"outsideTemp":1.72,"heatingDays":31,"degreeDayNum":504,"solarIrradianceKwhM2":79.3,"windSpeedAvg":6.08,"relativeHumidity":81.3,"outsideTempOnHeatingDays":1.72},{"month":4,"outsideTemp":6.88,"heatingDays":29,"degreeDayNum":333,"solarIrradianceKwhM2":127.6,"windSpeedAvg":5.51,"relativeHumidity":75.1,"outsideTempOnHeatingDays":6.8},{"month":5,"outsideTemp":11.78,"heatingDays":28,"degreeDayNum":196,"solarIrradianceKwhM2":166.9,"windSpeedAvg":5.32,"relativeHumidity":73.3,"outsideTempOnHeatingDays":11.19},{"month":6,"outsideTemp":15.16,"heatingDays":24,"degreeDayNum":96,"solarIrradianceKwhM2":167.2,"windSpeedAvg":5.4,"relativeHumidity":74.7,"outsideTempOnHeatingDays":14.12},{"month":7,"outsideTemp":17.35,"heatingDays":19,"degreeDayNum":47,"solarIrradianceKwhM2":162.3,"windSpeedAvg":5.17,"relativeHumidity":77.2,"outsideTempOnHeatingDays":15.55},{"month":8,"outsideTemp":17.21,"heatingDays":18,"degreeDayNum":48,"solarIrradianceKwhM2":134.8,"windSpeedAvg":5.08,"relativeHumidity":77.6,"outsideTempOnHeatingDays":15.43},{"month":9,"outsideTemp":13.14,"heatingDays":28,"degreeDayNum":147,"solarIrradianceKwhM2":86.5,"windSpeedAvg":5.44,"relativeHumidity":80.9,"outsideTempOnHeatingDays":12.88},{"month":10,"outsideTemp":8.3,"heatingDays":31,"degreeDayNum":300,"solarIrradianceKwhM2":49.6,"windSpeedAvg":5.93,"relativeHumidity":84.4,"outsideTempOnHeatingDays":8.3},{"month":11,"outsideTemp":3.61,"heatingDays":30,"degreeDayNum":431,"solarIrradianceKwhM2":21.4,"windSpeedAvg":5.92,"relativeHumidity":89.5,"outsideTempOnHeatingDays":3.61},{"month":12,"outsideTemp":0.05,"heatingDays":31,"degreeDayNum":556,"solarIrradianceKwhM2":13.1,"windSpeedAvg":6.16,"relativeHumidity":89.8,"outsideTempOnHeatingDays":0.05}],"groundTemp1m":8.1,"groundTemp2m":8.1,"solarIrradianceKwhM2Year":1064.1,"windSpeedAvg":5.73,"relativeHumidityAvg":81.5,"suitability":{"score":56,"rating":"fair","color":"yellow","estimatedScop":4,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV.","Wysoka średnia prędkość wiatru (5.7 m/s) — większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:07:38.673Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}