{"location":{"city":"Rudki","voivodeship":"Lubelskie","community":"Zakrzówek","postalCode":"23-213","latitude":50.9431,"longitude":22.3297,"elevation":261},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.6,"monthly":[{"month":1,"outsideTemp":-2.37,"heatingDays":31,"degreeDayNum":631,"solarIrradianceKwhM2":26.2,"windSpeedAvg":5.23,"relativeHumidity":84.6,"outsideTempOnHeatingDays":-2.37},{"month":2,"outsideTemp":-1.2,"heatingDays":28,"degreeDayNum":542,"solarIrradianceKwhM2":44.4,"windSpeedAvg":5.18,"relativeHumidity":82.5,"outsideTempOnHeatingDays":-1.2},{"month":3,"outsideTemp":2.53,"heatingDays":31,"degreeDayNum":479,"solarIrradianceKwhM2":87.9,"windSpeedAvg":5.27,"relativeHumidity":76.3,"outsideTempOnHeatingDays":2.53},{"month":4,"outsideTemp":8.66,"heatingDays":29,"degreeDayNum":280,"solarIrradianceKwhM2":129.7,"windSpeedAvg":4.8,"relativeHumidity":70.3,"outsideTempOnHeatingDays":8.54},{"month":5,"outsideTemp":13.92,"heatingDays":26,"degreeDayNum":134,"solarIrradianceKwhM2":160.9,"windSpeedAvg":4.61,"relativeHumidity":70.7,"outsideTempOnHeatingDays":12.91},{"month":6,"outsideTemp":17.38,"heatingDays":17,"degreeDayNum":49,"solarIrradianceKwhM2":166.8,"windSpeedAvg":4.44,"relativeHumidity":71.5,"outsideTempOnHeatingDays":15.14},{"month":7,"outsideTemp":19.32,"heatingDays":10,"degreeDayNum":20,"solarIrradianceKwhM2":163.6,"windSpeedAvg":4.27,"relativeHumidity":71.8,"outsideTempOnHeatingDays":16.12},{"month":8,"outsideTemp":18.93,"heatingDays":12,"degreeDayNum":24,"solarIrradianceKwhM2":143.3,"windSpeedAvg":4.13,"relativeHumidity":71.1,"outsideTempOnHeatingDays":15.92},{"month":9,"outsideTemp":14.02,"heatingDays":26,"degreeDayNum":125,"solarIrradianceKwhM2":93.4,"windSpeedAvg":4.53,"relativeHumidity":76.2,"outsideTempOnHeatingDays":13.25},{"month":10,"outsideTemp":8.7,"heatingDays":30,"degreeDayNum":288,"solarIrradianceKwhM2":58.8,"windSpeedAvg":4.83,"relativeHumidity":80.7,"outsideTempOnHeatingDays":8.68},{"month":11,"outsideTemp":3.73,"heatingDays":30,"degreeDayNum":428,"solarIrradianceKwhM2":29.4,"windSpeedAvg":4.99,"relativeHumidity":85.1,"outsideTempOnHeatingDays":3.73},{"month":12,"outsideTemp":-0.71,"heatingDays":31,"degreeDayNum":580,"solarIrradianceKwhM2":19.6,"windSpeedAvg":5.13,"relativeHumidity":85.6,"outsideTempOnHeatingDays":-0.71}],"groundTemp1m":9.22,"groundTemp2m":9.22,"solarIrradianceKwhM2Year":1123.9,"windSpeedAvg":4.78,"relativeHumidityAvg":77.2,"suitability":{"score":63,"rating":"fair","color":"yellow","estimatedScop":4.1,"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":"2026-05-19T12:14:52.675Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}