{"location":{"city":"Zawieprzyce","voivodeship":"Lubelskie","community":"Gmina Spiczyn","postalCode":"21-077","latitude":51.3608,"longitude":22.7584,"elevation":163},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.8,"monthly":[{"month":1,"outsideTemp":-2.15,"heatingDays":31,"degreeDayNum":624,"solarIrradianceKwhM2":25.3,"windSpeedAvg":5.24,"relativeHumidity":83.9,"outsideTempOnHeatingDays":-2.15},{"month":2,"outsideTemp":-1.07,"heatingDays":28,"degreeDayNum":539,"solarIrradianceKwhM2":43.4,"windSpeedAvg":5.21,"relativeHumidity":82.1,"outsideTempOnHeatingDays":-1.07},{"month":3,"outsideTemp":2.59,"heatingDays":31,"degreeDayNum":477,"solarIrradianceKwhM2":87.4,"windSpeedAvg":5.26,"relativeHumidity":76.2,"outsideTempOnHeatingDays":2.59},{"month":4,"outsideTemp":8.77,"heatingDays":29,"degreeDayNum":277,"solarIrradianceKwhM2":129.1,"windSpeedAvg":4.78,"relativeHumidity":70.2,"outsideTempOnHeatingDays":8.64},{"month":5,"outsideTemp":14.18,"heatingDays":26,"degreeDayNum":127,"solarIrradianceKwhM2":161.1,"windSpeedAvg":4.6,"relativeHumidity":69.9,"outsideTempOnHeatingDays":13.1},{"month":6,"outsideTemp":17.7,"heatingDays":16,"degreeDayNum":44,"solarIrradianceKwhM2":167.4,"windSpeedAvg":4.44,"relativeHumidity":70.2,"outsideTempOnHeatingDays":15.31},{"month":7,"outsideTemp":19.68,"heatingDays":9,"degreeDayNum":16,"solarIrradianceKwhM2":163.4,"windSpeedAvg":4.28,"relativeHumidity":70.8,"outsideTempOnHeatingDays":16.3},{"month":8,"outsideTemp":19.16,"heatingDays":11,"degreeDayNum":21,"solarIrradianceKwhM2":143.2,"windSpeedAvg":4.15,"relativeHumidity":70.5,"outsideTempOnHeatingDays":16.05},{"month":9,"outsideTemp":14.22,"heatingDays":25,"degreeDayNum":120,"solarIrradianceKwhM2":92.6,"windSpeedAvg":4.53,"relativeHumidity":75.8,"outsideTempOnHeatingDays":13.36},{"month":10,"outsideTemp":8.82,"heatingDays":30,"degreeDayNum":284,"solarIrradianceKwhM2":58.1,"windSpeedAvg":4.86,"relativeHumidity":80.4,"outsideTempOnHeatingDays":8.79},{"month":11,"outsideTemp":3.85,"heatingDays":30,"degreeDayNum":424,"solarIrradianceKwhM2":28.5,"windSpeedAvg":4.97,"relativeHumidity":84.9,"outsideTempOnHeatingDays":3.85},{"month":12,"outsideTemp":-0.51,"heatingDays":31,"degreeDayNum":573,"solarIrradianceKwhM2":18.7,"windSpeedAvg":5.18,"relativeHumidity":85.4,"outsideTempOnHeatingDays":-0.51}],"groundTemp1m":9.19,"groundTemp2m":9.19,"solarIrradianceKwhM2Year":1118.1,"windSpeedAvg":4.79,"relativeHumidityAvg":76.7,"suitability":{"score":66,"rating":"good","color":"lime","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":"2026-05-19T12:15:16.172Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}