{"location":{"city":"Nasiedle","voivodeship":"Opolskie","community":"Kietrz","postalCode":"48-130","latitude":50.0496,"longitude":17.8936,"elevation":304},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.9,"monthly":[{"month":1,"outsideTemp":-1.37,"heatingDays":31,"degreeDayNum":600,"solarIrradianceKwhM2":29.5,"windSpeedAvg":5.84,"relativeHumidity":82.9,"outsideTempOnHeatingDays":-1.37},{"month":2,"outsideTemp":-0.22,"heatingDays":28,"degreeDayNum":515,"solarIrradianceKwhM2":48.4,"windSpeedAvg":5.7,"relativeHumidity":80.4,"outsideTempOnHeatingDays":-0.22},{"month":3,"outsideTemp":3.44,"heatingDays":31,"degreeDayNum":451,"solarIrradianceKwhM2":90.6,"windSpeedAvg":5.52,"relativeHumidity":75.8,"outsideTempOnHeatingDays":3.44},{"month":4,"outsideTemp":8.81,"heatingDays":29,"degreeDayNum":276,"solarIrradianceKwhM2":132.6,"windSpeedAvg":5.04,"relativeHumidity":70.9,"outsideTempOnHeatingDays":8.69},{"month":5,"outsideTemp":13.5,"heatingDays":27,"degreeDayNum":144,"solarIrradianceKwhM2":156.9,"windSpeedAvg":4.85,"relativeHumidity":72.5,"outsideTempOnHeatingDays":12.79},{"month":6,"outsideTemp":17.03,"heatingDays":18,"degreeDayNum":56,"solarIrradianceKwhM2":161.1,"windSpeedAvg":4.55,"relativeHumidity":73.2,"outsideTempOnHeatingDays":14.9},{"month":7,"outsideTemp":19.07,"heatingDays":11,"degreeDayNum":23,"solarIrradianceKwhM2":163.6,"windSpeedAvg":4.44,"relativeHumidity":71.6,"outsideTempOnHeatingDays":16.02},{"month":8,"outsideTemp":19.02,"heatingDays":11,"degreeDayNum":24,"solarIrradianceKwhM2":143.5,"windSpeedAvg":4.2,"relativeHumidity":70.7,"outsideTempOnHeatingDays":15.91},{"month":9,"outsideTemp":14.25,"heatingDays":26,"degreeDayNum":118,"solarIrradianceKwhM2":95.9,"windSpeedAvg":4.74,"relativeHumidity":75.4,"outsideTempOnHeatingDays":13.52},{"month":10,"outsideTemp":9.37,"heatingDays":30,"degreeDayNum":267,"solarIrradianceKwhM2":60.3,"windSpeedAvg":5.18,"relativeHumidity":80.1,"outsideTempOnHeatingDays":9.31},{"month":11,"outsideTemp":4.54,"heatingDays":30,"degreeDayNum":403,"solarIrradianceKwhM2":31.9,"windSpeedAvg":5.46,"relativeHumidity":83.9,"outsideTempOnHeatingDays":4.54},{"month":12,"outsideTemp":-0.13,"heatingDays":31,"degreeDayNum":561,"solarIrradianceKwhM2":22.9,"windSpeedAvg":5.89,"relativeHumidity":84.4,"outsideTempOnHeatingDays":-0.13}],"groundTemp1m":9.36,"groundTemp2m":9.36,"solarIrradianceKwhM2Year":1137.3,"windSpeedAvg":5.12,"relativeHumidityAvg":76.8,"suitability":{"score":68,"rating":"good","color":"lime","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":"2026-05-19T12:22:30.743Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}