{"location":{"city":"Witowice","voivodeship":"Dolnośląskie","community":"Gmina Wiązów","postalCode":"57-120","latitude":50.8424,"longitude":17.2137,"elevation":147},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":9.7,"monthly":[{"month":1,"outsideTemp":-0.24,"heatingDays":31,"degreeDayNum":565,"solarIrradianceKwhM2":26.8,"windSpeedAvg":5.18,"relativeHumidity":80.6,"outsideTempOnHeatingDays":-0.24},{"month":2,"outsideTemp":0.77,"heatingDays":28,"degreeDayNum":487,"solarIrradianceKwhM2":45.6,"windSpeedAvg":5.18,"relativeHumidity":78.1,"outsideTempOnHeatingDays":0.77},{"month":3,"outsideTemp":4.11,"heatingDays":31,"degreeDayNum":430,"solarIrradianceKwhM2":87.1,"windSpeedAvg":5.26,"relativeHumidity":74.8,"outsideTempOnHeatingDays":4.11},{"month":4,"outsideTemp":9.33,"heatingDays":29,"degreeDayNum":260,"solarIrradianceKwhM2":131.5,"windSpeedAvg":4.82,"relativeHumidity":69.9,"outsideTempOnHeatingDays":9.2},{"month":5,"outsideTemp":14.11,"heatingDays":26,"degreeDayNum":127,"solarIrradianceKwhM2":159.1,"windSpeedAvg":4.66,"relativeHumidity":70.3,"outsideTempOnHeatingDays":13.22},{"month":6,"outsideTemp":17.67,"heatingDays":16,"degreeDayNum":44,"solarIrradianceKwhM2":162.4,"windSpeedAvg":4.54,"relativeHumidity":69.9,"outsideTempOnHeatingDays":15.24},{"month":7,"outsideTemp":19.72,"heatingDays":9,"degreeDayNum":15,"solarIrradianceKwhM2":163.7,"windSpeedAvg":4.39,"relativeHumidity":69.2,"outsideTempOnHeatingDays":16.31},{"month":8,"outsideTemp":19.6,"heatingDays":9,"degreeDayNum":17,"solarIrradianceKwhM2":142.7,"windSpeedAvg":4.13,"relativeHumidity":68.6,"outsideTempOnHeatingDays":16.17},{"month":9,"outsideTemp":14.86,"heatingDays":24,"degreeDayNum":101,"solarIrradianceKwhM2":94.7,"windSpeedAvg":4.47,"relativeHumidity":74,"outsideTempOnHeatingDays":13.84},{"month":10,"outsideTemp":9.96,"heatingDays":30,"degreeDayNum":249,"solarIrradianceKwhM2":59,"windSpeedAvg":4.72,"relativeHumidity":78.6,"outsideTempOnHeatingDays":9.88},{"month":11,"outsideTemp":5.05,"heatingDays":30,"degreeDayNum":388,"solarIrradianceKwhM2":30.1,"windSpeedAvg":4.76,"relativeHumidity":83.1,"outsideTempOnHeatingDays":5.05},{"month":12,"outsideTemp":1,"heatingDays":31,"degreeDayNum":527,"solarIrradianceKwhM2":21.2,"windSpeedAvg":5.09,"relativeHumidity":82.1,"outsideTempOnHeatingDays":1}],"groundTemp1m":9.98,"groundTemp2m":9.98,"solarIrradianceKwhM2Year":1123.8,"windSpeedAvg":4.77,"relativeHumidityAvg":74.9,"suitability":{"score":79,"rating":"good","color":"lime","estimatedScop":4.2,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:10:09.358Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}