{"location":{"city":"Małe Budziska","voivodeship":"Kujawsko-Pomorskie","community":"Gmina Cekcyn","postalCode":"89-511","latitude":53.6013,"longitude":18.0938,"elevation":121},"climateZone":2,"standardOutsideTemp":-18,"annualMeanTemp":8.4,"monthly":[{"month":1,"outsideTemp":-1.35,"heatingDays":31,"degreeDayNum":599,"solarIrradianceKwhM2":20.5,"windSpeedAvg":5.86,"relativeHumidity":86.5,"outsideTempOnHeatingDays":-1.35},{"month":2,"outsideTemp":-0.43,"heatingDays":28,"degreeDayNum":521,"solarIrradianceKwhM2":38.7,"windSpeedAvg":5.88,"relativeHumidity":83.6,"outsideTempOnHeatingDays":-0.43},{"month":3,"outsideTemp":2.49,"heatingDays":31,"degreeDayNum":480,"solarIrradianceKwhM2":81,"windSpeedAvg":5.78,"relativeHumidity":78.8,"outsideTempOnHeatingDays":2.49},{"month":4,"outsideTemp":7.91,"heatingDays":29,"degreeDayNum":303,"solarIrradianceKwhM2":126.8,"windSpeedAvg":5.37,"relativeHumidity":72.5,"outsideTempOnHeatingDays":7.8},{"month":5,"outsideTemp":12.96,"heatingDays":27,"degreeDayNum":161,"solarIrradianceKwhM2":160.6,"windSpeedAvg":5.23,"relativeHumidity":70.3,"outsideTempOnHeatingDays":12.17},{"month":6,"outsideTemp":16.35,"heatingDays":21,"degreeDayNum":68,"solarIrradianceKwhM2":161.2,"windSpeedAvg":5.24,"relativeHumidity":70.9,"outsideTempOnHeatingDays":14.86},{"month":7,"outsideTemp":18.43,"heatingDays":15,"degreeDayNum":29,"solarIrradianceKwhM2":158.7,"windSpeedAvg":5.03,"relativeHumidity":72.8,"outsideTempOnHeatingDays":16.08},{"month":8,"outsideTemp":18.18,"heatingDays":15,"degreeDayNum":32,"solarIrradianceKwhM2":134.9,"windSpeedAvg":4.83,"relativeHumidity":73.3,"outsideTempOnHeatingDays":15.83},{"month":9,"outsideTemp":13.78,"heatingDays":27,"degreeDayNum":129,"solarIrradianceKwhM2":86.5,"windSpeedAvg":5.18,"relativeHumidity":77.9,"outsideTempOnHeatingDays":13.31},{"month":10,"outsideTemp":8.71,"heatingDays":31,"degreeDayNum":288,"solarIrradianceKwhM2":50.9,"windSpeedAvg":5.47,"relativeHumidity":82.7,"outsideTempOnHeatingDays":8.71},{"month":11,"outsideTemp":3.87,"heatingDays":30,"degreeDayNum":423,"solarIrradianceKwhM2":22.4,"windSpeedAvg":5.44,"relativeHumidity":88.3,"outsideTempOnHeatingDays":3.87},{"month":12,"outsideTemp":0.24,"heatingDays":31,"degreeDayNum":550,"solarIrradianceKwhM2":14.4,"windSpeedAvg":5.68,"relativeHumidity":88.1,"outsideTempOnHeatingDays":0.24}],"groundTemp1m":8.79,"groundTemp2m":8.79,"solarIrradianceKwhM2Year":1056.5,"windSpeedAvg":5.41,"relativeHumidityAvg":78.8,"suitability":{"score":62,"rating":"fair","color":"yellow","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":"2026-05-19T12:08:02.325Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}