{"location":{"city":"Płaczków","voivodeship":"Świętokrzyskie","community":"Gmina Bliżyn","postalCode":"26-120","latitude":51.1306,"longitude":20.6999,"elevation":279},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.5,"monthly":[{"month":1,"outsideTemp":-2.13,"heatingDays":31,"degreeDayNum":624,"solarIrradianceKwhM2":26.4,"windSpeedAvg":5.79,"relativeHumidity":85.4,"outsideTempOnHeatingDays":-2.13},{"month":2,"outsideTemp":-1.03,"heatingDays":28,"degreeDayNum":538,"solarIrradianceKwhM2":44.9,"windSpeedAvg":5.69,"relativeHumidity":83.3,"outsideTempOnHeatingDays":-1.03},{"month":3,"outsideTemp":2.55,"heatingDays":31,"degreeDayNum":478,"solarIrradianceKwhM2":88.4,"windSpeedAvg":5.69,"relativeHumidity":77.5,"outsideTempOnHeatingDays":2.55},{"month":4,"outsideTemp":8.43,"heatingDays":29,"degreeDayNum":287,"solarIrradianceKwhM2":128.6,"windSpeedAvg":5.11,"relativeHumidity":71.3,"outsideTempOnHeatingDays":8.34},{"month":5,"outsideTemp":13.56,"heatingDays":26,"degreeDayNum":143,"solarIrradianceKwhM2":159.6,"windSpeedAvg":4.9,"relativeHumidity":71.7,"outsideTempOnHeatingDays":12.65},{"month":6,"outsideTemp":17.05,"heatingDays":18,"degreeDayNum":56,"solarIrradianceKwhM2":164.3,"windSpeedAvg":4.78,"relativeHumidity":71.8,"outsideTempOnHeatingDays":14.93},{"month":7,"outsideTemp":19.02,"heatingDays":12,"degreeDayNum":24,"solarIrradianceKwhM2":161.7,"windSpeedAvg":4.62,"relativeHumidity":71.9,"outsideTempOnHeatingDays":15.93},{"month":8,"outsideTemp":18.73,"heatingDays":12,"degreeDayNum":28,"solarIrradianceKwhM2":141.3,"windSpeedAvg":4.41,"relativeHumidity":71.2,"outsideTempOnHeatingDays":15.82},{"month":9,"outsideTemp":13.86,"heatingDays":26,"degreeDayNum":129,"solarIrradianceKwhM2":92.5,"windSpeedAvg":4.89,"relativeHumidity":76.8,"outsideTempOnHeatingDays":13.14},{"month":10,"outsideTemp":8.72,"heatingDays":31,"degreeDayNum":287,"solarIrradianceKwhM2":57.1,"windSpeedAvg":5.23,"relativeHumidity":81.7,"outsideTempOnHeatingDays":8.71},{"month":11,"outsideTemp":3.76,"heatingDays":30,"degreeDayNum":427,"solarIrradianceKwhM2":28.6,"windSpeedAvg":5.35,"relativeHumidity":86.6,"outsideTempOnHeatingDays":3.76},{"month":12,"outsideTemp":-0.42,"heatingDays":31,"degreeDayNum":571,"solarIrradianceKwhM2":19.4,"windSpeedAvg":5.67,"relativeHumidity":86.3,"outsideTempOnHeatingDays":-0.42}],"groundTemp1m":9.11,"groundTemp2m":9.11,"solarIrradianceKwhM2Year":1112.7,"windSpeedAvg":5.18,"relativeHumidityAvg":78,"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 (5.2 m/s) — większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:29:44.881Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}