{"location":{"city":"Psary","voivodeship":"Śląskie","community":"Psary","postalCode":"42-575","latitude":50.3775,"longitude":19.1078,"elevation":312},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.6,"monthly":[{"month":1,"outsideTemp":-2.1,"heatingDays":31,"degreeDayNum":623,"solarIrradianceKwhM2":28.8,"windSpeedAvg":5.97,"relativeHumidity":85.1,"outsideTempOnHeatingDays":-2.1},{"month":2,"outsideTemp":-0.9,"heatingDays":28,"degreeDayNum":534,"solarIrradianceKwhM2":48,"windSpeedAvg":5.9,"relativeHumidity":82.7,"outsideTempOnHeatingDays":-0.9},{"month":3,"outsideTemp":2.95,"heatingDays":31,"degreeDayNum":466,"solarIrradianceKwhM2":89.8,"windSpeedAvg":5.92,"relativeHumidity":76.4,"outsideTempOnHeatingDays":2.95},{"month":4,"outsideTemp":8.67,"heatingDays":29,"degreeDayNum":280,"solarIrradianceKwhM2":131,"windSpeedAvg":5.31,"relativeHumidity":70.6,"outsideTempOnHeatingDays":8.58},{"month":5,"outsideTemp":13.53,"heatingDays":27,"degreeDayNum":144,"solarIrradianceKwhM2":157.1,"windSpeedAvg":5.08,"relativeHumidity":72.4,"outsideTempOnHeatingDays":12.74},{"month":6,"outsideTemp":16.98,"heatingDays":18,"degreeDayNum":57,"solarIrradianceKwhM2":160.6,"windSpeedAvg":4.9,"relativeHumidity":73.3,"outsideTempOnHeatingDays":14.87},{"month":7,"outsideTemp":18.89,"heatingDays":12,"degreeDayNum":26,"solarIrradianceKwhM2":161.7,"windSpeedAvg":4.75,"relativeHumidity":73.2,"outsideTempOnHeatingDays":15.92},{"month":8,"outsideTemp":18.74,"heatingDays":12,"degreeDayNum":28,"solarIrradianceKwhM2":142,"windSpeedAvg":4.53,"relativeHumidity":72.3,"outsideTempOnHeatingDays":15.8},{"month":9,"outsideTemp":14.02,"heatingDays":26,"degreeDayNum":124,"solarIrradianceKwhM2":93.7,"windSpeedAvg":5,"relativeHumidity":76.5,"outsideTempOnHeatingDays":13.3},{"month":10,"outsideTemp":9.03,"heatingDays":30,"degreeDayNum":278,"solarIrradianceKwhM2":58.8,"windSpeedAvg":5.33,"relativeHumidity":80.9,"outsideTempOnHeatingDays":9},{"month":11,"outsideTemp":4.07,"heatingDays":30,"degreeDayNum":417,"solarIrradianceKwhM2":31,"windSpeedAvg":5.45,"relativeHumidity":85.6,"outsideTempOnHeatingDays":4.07},{"month":12,"outsideTemp":-0.48,"heatingDays":31,"degreeDayNum":572,"solarIrradianceKwhM2":22.1,"windSpeedAvg":5.91,"relativeHumidity":85.8,"outsideTempOnHeatingDays":-0.48}],"groundTemp1m":9.16,"groundTemp2m":9.16,"solarIrradianceKwhM2Year":1124.5,"windSpeedAvg":5.34,"relativeHumidityAvg":77.9,"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 (5.3 m/s) — większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:09:02.397Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}