{"location":{"city":"Ciotcza","voivodeship":"Lubelskie","community":"Abramów","postalCode":"21-143","latitude":51.4925,"longitude":22.3293,"elevation":169},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.9,"monthly":[{"month":1,"outsideTemp":-2,"heatingDays":31,"degreeDayNum":620,"solarIrradianceKwhM2":24.2,"windSpeedAvg":5.06,"relativeHumidity":83.5,"outsideTempOnHeatingDays":-2},{"month":2,"outsideTemp":-0.89,"heatingDays":28,"degreeDayNum":534,"solarIrradianceKwhM2":42.1,"windSpeedAvg":5.02,"relativeHumidity":81.5,"outsideTempOnHeatingDays":-0.89},{"month":3,"outsideTemp":2.79,"heatingDays":31,"degreeDayNum":471,"solarIrradianceKwhM2":86.5,"windSpeedAvg":5.11,"relativeHumidity":75.5,"outsideTempOnHeatingDays":2.79},{"month":4,"outsideTemp":8.93,"heatingDays":29,"degreeDayNum":272,"solarIrradianceKwhM2":128,"windSpeedAvg":4.67,"relativeHumidity":69.4,"outsideTempOnHeatingDays":8.8},{"month":5,"outsideTemp":14.29,"heatingDays":25,"degreeDayNum":124,"solarIrradianceKwhM2":160.4,"windSpeedAvg":4.49,"relativeHumidity":69.2,"outsideTempOnHeatingDays":13.13},{"month":6,"outsideTemp":17.76,"heatingDays":15,"degreeDayNum":43,"solarIrradianceKwhM2":166,"windSpeedAvg":4.34,"relativeHumidity":69.6,"outsideTempOnHeatingDays":15.26},{"month":7,"outsideTemp":19.75,"heatingDays":9,"degreeDayNum":16,"solarIrradianceKwhM2":162.8,"windSpeedAvg":4.2,"relativeHumidity":70.3,"outsideTempOnHeatingDays":16.28},{"month":8,"outsideTemp":19.28,"heatingDays":10,"degreeDayNum":20,"solarIrradianceKwhM2":141.8,"windSpeedAvg":4.06,"relativeHumidity":70.1,"outsideTempOnHeatingDays":16.05},{"month":9,"outsideTemp":14.33,"heatingDays":25,"degreeDayNum":117,"solarIrradianceKwhM2":91.7,"windSpeedAvg":4.41,"relativeHumidity":75.6,"outsideTempOnHeatingDays":13.4},{"month":10,"outsideTemp":8.91,"heatingDays":30,"degreeDayNum":281,"solarIrradianceKwhM2":56.9,"windSpeedAvg":4.7,"relativeHumidity":80.3,"outsideTempOnHeatingDays":8.89},{"month":11,"outsideTemp":3.94,"heatingDays":30,"degreeDayNum":421,"solarIrradianceKwhM2":27.6,"windSpeedAvg":4.77,"relativeHumidity":84.7,"outsideTempOnHeatingDays":3.94},{"month":12,"outsideTemp":-0.37,"heatingDays":31,"degreeDayNum":569,"solarIrradianceKwhM2":17.9,"windSpeedAvg":4.94,"relativeHumidity":85.1,"outsideTempOnHeatingDays":-0.37}],"groundTemp1m":9.33,"groundTemp2m":9.33,"solarIrradianceKwhM2Year":1105.9,"windSpeedAvg":4.65,"relativeHumidityAvg":76.2,"suitability":{"score":67,"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":"2026-05-19T12:15:02.599Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}