{"location":{"city":"Grąblinek","voivodeship":"Wielkopolskie","community":"Gmina Kramsk","postalCode":"62-563","latitude":52.2921,"longitude":18.3444,"elevation":86},"climateZone":2,"standardOutsideTemp":-18,"annualMeanTemp":9.3,"monthly":[{"month":1,"outsideTemp":-0.81,"heatingDays":31,"degreeDayNum":583,"solarIrradianceKwhM2":23,"windSpeedAvg":5.76,"relativeHumidity":84.2,"outsideTempOnHeatingDays":-0.81},{"month":2,"outsideTemp":0.27,"heatingDays":28,"degreeDayNum":501,"solarIrradianceKwhM2":41.2,"windSpeedAvg":5.71,"relativeHumidity":81.2,"outsideTempOnHeatingDays":0.27},{"month":3,"outsideTemp":3.5,"heatingDays":31,"degreeDayNum":449,"solarIrradianceKwhM2":84.4,"windSpeedAvg":5.7,"relativeHumidity":76.7,"outsideTempOnHeatingDays":3.5},{"month":4,"outsideTemp":9,"heatingDays":29,"degreeDayNum":270,"solarIrradianceKwhM2":130.1,"windSpeedAvg":5.23,"relativeHumidity":70.6,"outsideTempOnHeatingDays":8.86},{"month":5,"outsideTemp":14.09,"heatingDays":26,"degreeDayNum":130,"solarIrradianceKwhM2":160.6,"windSpeedAvg":5.09,"relativeHumidity":69,"outsideTempOnHeatingDays":13},{"month":6,"outsideTemp":17.55,"heatingDays":17,"degreeDayNum":46,"solarIrradianceKwhM2":164.2,"windSpeedAvg":5.02,"relativeHumidity":68.7,"outsideTempOnHeatingDays":15.24},{"month":7,"outsideTemp":19.61,"heatingDays":10,"degreeDayNum":17,"solarIrradianceKwhM2":162.6,"windSpeedAvg":4.91,"relativeHumidity":69.5,"outsideTempOnHeatingDays":16.25},{"month":8,"outsideTemp":19.38,"heatingDays":10,"degreeDayNum":19,"solarIrradianceKwhM2":140.1,"windSpeedAvg":4.69,"relativeHumidity":69,"outsideTempOnHeatingDays":16.1},{"month":9,"outsideTemp":14.68,"heatingDays":25,"degreeDayNum":107,"solarIrradianceKwhM2":90.9,"windSpeedAvg":5.03,"relativeHumidity":74.6,"outsideTempOnHeatingDays":13.76},{"month":10,"outsideTemp":9.51,"heatingDays":30,"degreeDayNum":263,"solarIrradianceKwhM2":54.8,"windSpeedAvg":5.28,"relativeHumidity":80.4,"outsideTempOnHeatingDays":9.49},{"month":11,"outsideTemp":4.54,"heatingDays":30,"degreeDayNum":403,"solarIrradianceKwhM2":25.8,"windSpeedAvg":5.34,"relativeHumidity":86.1,"outsideTempOnHeatingDays":4.54},{"month":12,"outsideTemp":0.69,"heatingDays":31,"degreeDayNum":536,"solarIrradianceKwhM2":17.2,"windSpeedAvg":5.57,"relativeHumidity":85.8,"outsideTempOnHeatingDays":0.69}],"groundTemp1m":9.66,"groundTemp2m":9.66,"solarIrradianceKwhM2Year":1094.9,"windSpeedAvg":5.28,"relativeHumidityAvg":76.3,"suitability":{"score":73,"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":"2026-05-19T12:09:15.421Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}