{"location":{"city":"Rakoszyn","voivodeship":"Świętokrzyskie","community":"Gmina Nagłowice","postalCode":"28-362","latitude":50.6506,"longitude":20.0833,"elevation":264},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.7,"monthly":[{"month":1,"outsideTemp":-1.99,"heatingDays":31,"degreeDayNum":619,"solarIrradianceKwhM2":27.5,"windSpeedAvg":5.71,"relativeHumidity":84.2,"outsideTempOnHeatingDays":-1.99},{"month":2,"outsideTemp":-0.81,"heatingDays":28,"degreeDayNum":531,"solarIrradianceKwhM2":46,"windSpeedAvg":5.65,"relativeHumidity":82,"outsideTempOnHeatingDays":-0.81},{"month":3,"outsideTemp":2.91,"heatingDays":31,"degreeDayNum":467,"solarIrradianceKwhM2":89.7,"windSpeedAvg":5.68,"relativeHumidity":75.8,"outsideTempOnHeatingDays":2.91},{"month":4,"outsideTemp":8.66,"heatingDays":29,"degreeDayNum":280,"solarIrradianceKwhM2":130.5,"windSpeedAvg":5.08,"relativeHumidity":70.1,"outsideTempOnHeatingDays":8.55},{"month":5,"outsideTemp":13.7,"heatingDays":27,"degreeDayNum":139,"solarIrradianceKwhM2":158.5,"windSpeedAvg":4.93,"relativeHumidity":71,"outsideTempOnHeatingDays":12.81},{"month":6,"outsideTemp":17.23,"heatingDays":17,"degreeDayNum":53,"solarIrradianceKwhM2":162.4,"windSpeedAvg":4.79,"relativeHumidity":71,"outsideTempOnHeatingDays":14.96},{"month":7,"outsideTemp":19.25,"heatingDays":11,"degreeDayNum":22,"solarIrradianceKwhM2":160.9,"windSpeedAvg":4.64,"relativeHumidity":70.5,"outsideTempOnHeatingDays":15.98},{"month":8,"outsideTemp":19.03,"heatingDays":11,"degreeDayNum":25,"solarIrradianceKwhM2":141.3,"windSpeedAvg":4.43,"relativeHumidity":69.6,"outsideTempOnHeatingDays":15.85},{"month":9,"outsideTemp":14.1,"heatingDays":26,"degreeDayNum":123,"solarIrradianceKwhM2":93.5,"windSpeedAvg":4.87,"relativeHumidity":75.3,"outsideTempOnHeatingDays":13.25},{"month":10,"outsideTemp":8.92,"heatingDays":30,"degreeDayNum":281,"solarIrradianceKwhM2":57.9,"windSpeedAvg":5.11,"relativeHumidity":80.7,"outsideTempOnHeatingDays":8.9},{"month":11,"outsideTemp":3.87,"heatingDays":30,"degreeDayNum":423,"solarIrradianceKwhM2":29.9,"windSpeedAvg":5.19,"relativeHumidity":85.7,"outsideTempOnHeatingDays":3.87},{"month":12,"outsideTemp":-0.33,"heatingDays":31,"degreeDayNum":568,"solarIrradianceKwhM2":20.8,"windSpeedAvg":5.61,"relativeHumidity":85,"outsideTempOnHeatingDays":-0.33}],"groundTemp1m":9.16,"groundTemp2m":9.16,"solarIrradianceKwhM2Year":1118.8,"windSpeedAvg":5.14,"relativeHumidityAvg":76.7,"suitability":{"score":64,"rating":"fair","color":"yellow","estimatedScop":4.1,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV.","Wysoka średnia prędkość wiatru (5.1 m/s) — większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:28:28.611Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}