{"location":{"city":"Dobrzeń Mały","voivodeship":"Opolskie","community":"Dobrzeń Wielki","postalCode":"46-081","latitude":50.7479,"longitude":17.8609,"elevation":151},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":9.6,"monthly":[{"month":1,"outsideTemp":-0.73,"heatingDays":31,"degreeDayNum":580,"solarIrradianceKwhM2":27.3,"windSpeedAvg":5.33,"relativeHumidity":82.6,"outsideTempOnHeatingDays":-0.73},{"month":2,"outsideTemp":0.45,"heatingDays":28,"degreeDayNum":496,"solarIrradianceKwhM2":45.9,"windSpeedAvg":5.36,"relativeHumidity":79.9,"outsideTempOnHeatingDays":0.45},{"month":3,"outsideTemp":3.99,"heatingDays":31,"degreeDayNum":434,"solarIrradianceKwhM2":87.6,"windSpeedAvg":5.46,"relativeHumidity":75.5,"outsideTempOnHeatingDays":3.99},{"month":4,"outsideTemp":9.47,"heatingDays":29,"degreeDayNum":256,"solarIrradianceKwhM2":131.7,"windSpeedAvg":5.05,"relativeHumidity":70,"outsideTempOnHeatingDays":9.31},{"month":5,"outsideTemp":14.33,"heatingDays":25,"degreeDayNum":122,"solarIrradianceKwhM2":158.5,"windSpeedAvg":4.91,"relativeHumidity":70.3,"outsideTempOnHeatingDays":13.21},{"month":6,"outsideTemp":17.88,"heatingDays":15,"degreeDayNum":42,"solarIrradianceKwhM2":161.9,"windSpeedAvg":4.78,"relativeHumidity":70,"outsideTempOnHeatingDays":15.28},{"month":7,"outsideTemp":19.86,"heatingDays":9,"degreeDayNum":15,"solarIrradianceKwhM2":163.3,"windSpeedAvg":4.6,"relativeHumidity":69.9,"outsideTempOnHeatingDays":16.32},{"month":8,"outsideTemp":19.76,"heatingDays":9,"degreeDayNum":17,"solarIrradianceKwhM2":142.5,"windSpeedAvg":4.36,"relativeHumidity":69,"outsideTempOnHeatingDays":16.14},{"month":9,"outsideTemp":14.95,"heatingDays":24,"degreeDayNum":100,"solarIrradianceKwhM2":94.6,"windSpeedAvg":4.69,"relativeHumidity":74.3,"outsideTempOnHeatingDays":13.88},{"month":10,"outsideTemp":9.97,"heatingDays":30,"degreeDayNum":249,"solarIrradianceKwhM2":58.9,"windSpeedAvg":4.95,"relativeHumidity":79.2,"outsideTempOnHeatingDays":9.91},{"month":11,"outsideTemp":5.05,"heatingDays":30,"degreeDayNum":388,"solarIrradianceKwhM2":30.2,"windSpeedAvg":5.08,"relativeHumidity":83.8,"outsideTempOnHeatingDays":5.05},{"month":12,"outsideTemp":0.74,"heatingDays":31,"degreeDayNum":535,"solarIrradianceKwhM2":21.3,"windSpeedAvg":5.27,"relativeHumidity":83.6,"outsideTempOnHeatingDays":0.74}],"groundTemp1m":9.94,"groundTemp2m":9.94,"solarIrradianceKwhM2Year":1123.6,"windSpeedAvg":4.99,"relativeHumidityAvg":75.7,"suitability":{"score":77,"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":"2026-05-19T12:22:57.253Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}