{"location":{"city":"Lubowo","voivodeship":"Wielkopolskie","community":"Gmina Wronki","postalCode":"64-510","latitude":52.7089,"longitude":16.2608,"elevation":46},"climateZone":2,"standardOutsideTemp":-18,"annualMeanTemp":9.6,"monthly":[{"month":1,"outsideTemp":-0.06,"heatingDays":31,"degreeDayNum":559,"solarIrradianceKwhM2":21.2,"windSpeedAvg":5.38,"relativeHumidity":84.6,"outsideTempOnHeatingDays":-0.06},{"month":2,"outsideTemp":0.84,"heatingDays":28,"degreeDayNum":485,"solarIrradianceKwhM2":39.5,"windSpeedAvg":5.35,"relativeHumidity":81.5,"outsideTempOnHeatingDays":0.84},{"month":3,"outsideTemp":3.89,"heatingDays":31,"degreeDayNum":437,"solarIrradianceKwhM2":81.1,"windSpeedAvg":5.28,"relativeHumidity":77.1,"outsideTempOnHeatingDays":3.89},{"month":4,"outsideTemp":9.2,"heatingDays":29,"degreeDayNum":264,"solarIrradianceKwhM2":128.9,"windSpeedAvg":4.94,"relativeHumidity":70.2,"outsideTempOnHeatingDays":8.98},{"month":5,"outsideTemp":14.19,"heatingDays":26,"degreeDayNum":127,"solarIrradianceKwhM2":158.7,"windSpeedAvg":4.8,"relativeHumidity":67.7,"outsideTempOnHeatingDays":13.1},{"month":6,"outsideTemp":17.63,"heatingDays":16,"degreeDayNum":46,"solarIrradianceKwhM2":161,"windSpeedAvg":4.79,"relativeHumidity":67.2,"outsideTempOnHeatingDays":15.24},{"month":7,"outsideTemp":19.61,"heatingDays":10,"degreeDayNum":18,"solarIrradianceKwhM2":159.2,"windSpeedAvg":4.63,"relativeHumidity":68.8,"outsideTempOnHeatingDays":16.21},{"month":8,"outsideTemp":19.38,"heatingDays":10,"degreeDayNum":19,"solarIrradianceKwhM2":136,"windSpeedAvg":4.47,"relativeHumidity":69.2,"outsideTempOnHeatingDays":16.15},{"month":9,"outsideTemp":14.81,"heatingDays":25,"degreeDayNum":103,"solarIrradianceKwhM2":89.3,"windSpeedAvg":4.72,"relativeHumidity":75.3,"outsideTempOnHeatingDays":13.89},{"month":10,"outsideTemp":9.76,"heatingDays":30,"degreeDayNum":255,"solarIrradianceKwhM2":52,"windSpeedAvg":4.95,"relativeHumidity":81.2,"outsideTempOnHeatingDays":9.73},{"month":11,"outsideTemp":4.77,"heatingDays":30,"degreeDayNum":396,"solarIrradianceKwhM2":24,"windSpeedAvg":4.93,"relativeHumidity":87,"outsideTempOnHeatingDays":4.77},{"month":12,"outsideTemp":1.28,"heatingDays":31,"degreeDayNum":518,"solarIrradianceKwhM2":15.9,"windSpeedAvg":5.21,"relativeHumidity":86.4,"outsideTempOnHeatingDays":1.28}],"groundTemp1m":9.72,"groundTemp2m":9.72,"solarIrradianceKwhM2Year":1066.8,"windSpeedAvg":4.96,"relativeHumidityAvg":76.4,"suitability":{"score":77,"rating":"good","color":"lime","estimatedScop":4.2,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:33:58.408Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}