{"location":{"city":"Miasteczko Krajeńskie","voivodeship":"Wielkopolskie","community":"Gmina Miasteczko Krajeńskie","postalCode":"89-350","latitude":53.0974,"longitude":17.0082,"elevation":82},"climateZone":2,"standardOutsideTemp":-18,"annualMeanTemp":9,"monthly":[{"month":1,"outsideTemp":-0.71,"heatingDays":31,"degreeDayNum":579,"solarIrradianceKwhM2":20.8,"windSpeedAvg":5.52,"relativeHumidity":85.6,"outsideTempOnHeatingDays":-0.71},{"month":2,"outsideTemp":0.21,"heatingDays":28,"degreeDayNum":502,"solarIrradianceKwhM2":39,"windSpeedAvg":5.51,"relativeHumidity":82.4,"outsideTempOnHeatingDays":0.21},{"month":3,"outsideTemp":3.2,"heatingDays":31,"degreeDayNum":458,"solarIrradianceKwhM2":81.1,"windSpeedAvg":5.43,"relativeHumidity":77.8,"outsideTempOnHeatingDays":3.2},{"month":4,"outsideTemp":8.52,"heatingDays":29,"degreeDayNum":284,"solarIrradianceKwhM2":128.1,"windSpeedAvg":5.1,"relativeHumidity":71.3,"outsideTempOnHeatingDays":8.35},{"month":5,"outsideTemp":13.51,"heatingDays":27,"degreeDayNum":146,"solarIrradianceKwhM2":160.2,"windSpeedAvg":4.92,"relativeHumidity":69.3,"outsideTempOnHeatingDays":12.64},{"month":6,"outsideTemp":16.92,"heatingDays":19,"degreeDayNum":58,"solarIrradianceKwhM2":161.9,"windSpeedAvg":4.92,"relativeHumidity":69.1,"outsideTempOnHeatingDays":14.96},{"month":7,"outsideTemp":18.95,"heatingDays":12,"degreeDayNum":24,"solarIrradianceKwhM2":160.1,"windSpeedAvg":4.76,"relativeHumidity":70.9,"outsideTempOnHeatingDays":16.11},{"month":8,"outsideTemp":18.68,"heatingDays":13,"degreeDayNum":26,"solarIrradianceKwhM2":136.3,"windSpeedAvg":4.56,"relativeHumidity":71.5,"outsideTempOnHeatingDays":16.02},{"month":9,"outsideTemp":14.21,"heatingDays":26,"degreeDayNum":118,"solarIrradianceKwhM2":88.7,"windSpeedAvg":4.87,"relativeHumidity":76.7,"outsideTempOnHeatingDays":13.57},{"month":10,"outsideTemp":9.17,"heatingDays":31,"degreeDayNum":273,"solarIrradianceKwhM2":51.8,"windSpeedAvg":5.1,"relativeHumidity":82.1,"outsideTempOnHeatingDays":9.16},{"month":11,"outsideTemp":4.26,"heatingDays":30,"degreeDayNum":412,"solarIrradianceKwhM2":23.3,"windSpeedAvg":5.09,"relativeHumidity":87.8,"outsideTempOnHeatingDays":4.26},{"month":12,"outsideTemp":0.74,"heatingDays":31,"degreeDayNum":535,"solarIrradianceKwhM2":15.3,"windSpeedAvg":5.33,"relativeHumidity":87.4,"outsideTempOnHeatingDays":0.74}],"groundTemp1m":9.13,"groundTemp2m":9.13,"solarIrradianceKwhM2Year":1066.7,"windSpeedAvg":5.09,"relativeHumidityAvg":77.7,"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 (5.1 m/s) — większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:33:33.565Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}