{"location":{"city":"Dąbrówka","voivodeship":"Kujawsko-Pomorskie","community":"Gmina Bytoń","postalCode":"88-231","latitude":52.5477,"longitude":18.6417,"elevation":95},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":9.1,"monthly":[{"month":1,"outsideTemp":-1.06,"heatingDays":31,"degreeDayNum":590,"solarIrradianceKwhM2":22.6,"windSpeedAvg":5.83,"relativeHumidity":84.6,"outsideTempOnHeatingDays":-1.06},{"month":2,"outsideTemp":0.05,"heatingDays":28,"degreeDayNum":507,"solarIrradianceKwhM2":40.6,"windSpeedAvg":5.77,"relativeHumidity":81.5,"outsideTempOnHeatingDays":0.05},{"month":3,"outsideTemp":3.25,"heatingDays":31,"degreeDayNum":457,"solarIrradianceKwhM2":83.9,"windSpeedAvg":5.75,"relativeHumidity":76.8,"outsideTempOnHeatingDays":3.25},{"month":4,"outsideTemp":8.79,"heatingDays":29,"degreeDayNum":276,"solarIrradianceKwhM2":129.5,"windSpeedAvg":5.25,"relativeHumidity":71,"outsideTempOnHeatingDays":8.64},{"month":5,"outsideTemp":13.84,"heatingDays":26,"degreeDayNum":136,"solarIrradianceKwhM2":161.5,"windSpeedAvg":5.07,"relativeHumidity":70,"outsideTempOnHeatingDays":12.88},{"month":6,"outsideTemp":17.3,"heatingDays":17,"degreeDayNum":50,"solarIrradianceKwhM2":164.6,"windSpeedAvg":5,"relativeHumidity":69.8,"outsideTempOnHeatingDays":15.16},{"month":7,"outsideTemp":19.42,"heatingDays":10,"degreeDayNum":18,"solarIrradianceKwhM2":162.2,"windSpeedAvg":4.88,"relativeHumidity":70.4,"outsideTempOnHeatingDays":16.27},{"month":8,"outsideTemp":19.18,"heatingDays":11,"degreeDayNum":20,"solarIrradianceKwhM2":139.7,"windSpeedAvg":4.68,"relativeHumidity":69.8,"outsideTempOnHeatingDays":16.14},{"month":9,"outsideTemp":14.5,"heatingDays":25,"degreeDayNum":111,"solarIrradianceKwhM2":90,"windSpeedAvg":5.07,"relativeHumidity":75.2,"outsideTempOnHeatingDays":13.68},{"month":10,"outsideTemp":9.32,"heatingDays":30,"degreeDayNum":269,"solarIrradianceKwhM2":54.1,"windSpeedAvg":5.36,"relativeHumidity":80.7,"outsideTempOnHeatingDays":9.3},{"month":11,"outsideTemp":4.38,"heatingDays":30,"degreeDayNum":408,"solarIrradianceKwhM2":25.2,"windSpeedAvg":5.42,"relativeHumidity":86.4,"outsideTempOnHeatingDays":4.38},{"month":12,"outsideTemp":0.53,"heatingDays":31,"degreeDayNum":541,"solarIrradianceKwhM2":16.6,"windSpeedAvg":5.64,"relativeHumidity":86,"outsideTempOnHeatingDays":0.53}],"groundTemp1m":9.5,"groundTemp2m":9.5,"solarIrradianceKwhM2Year":1090.6,"windSpeedAvg":5.31,"relativeHumidityAvg":76.9,"suitability":{"score":71,"rating":"good","color":"lime","estimatedScop":4.1,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV.","Wysoka średnia prędkość wiatru (5.3 m/s) — większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:11:22.426Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}