{"location":{"city":"Sokolina","voivodeship":"Świętokrzyskie","community":"Czarnocin","postalCode":"28-506","latitude":50.3029,"longitude":20.605,"elevation":236},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.9,"monthly":[{"month":1,"outsideTemp":-1.99,"heatingDays":31,"degreeDayNum":619,"solarIrradianceKwhM2":29.3,"windSpeedAvg":5.35,"relativeHumidity":82.7,"outsideTempOnHeatingDays":-1.99},{"month":2,"outsideTemp":-0.73,"heatingDays":28,"degreeDayNum":529,"solarIrradianceKwhM2":48.2,"windSpeedAvg":5.41,"relativeHumidity":80.3,"outsideTempOnHeatingDays":-0.73},{"month":3,"outsideTemp":3.17,"heatingDays":31,"degreeDayNum":459,"solarIrradianceKwhM2":91.1,"windSpeedAvg":5.55,"relativeHumidity":74.5,"outsideTempOnHeatingDays":3.17},{"month":4,"outsideTemp":8.94,"heatingDays":29,"degreeDayNum":272,"solarIrradianceKwhM2":131.1,"windSpeedAvg":4.98,"relativeHumidity":69.9,"outsideTempOnHeatingDays":8.84},{"month":5,"outsideTemp":13.94,"heatingDays":26,"degreeDayNum":132,"solarIrradianceKwhM2":158.9,"windSpeedAvg":4.78,"relativeHumidity":71.5,"outsideTempOnHeatingDays":13.04},{"month":6,"outsideTemp":17.51,"heatingDays":16,"degreeDayNum":47,"solarIrradianceKwhM2":163.3,"windSpeedAvg":4.63,"relativeHumidity":71.8,"outsideTempOnHeatingDays":15.18},{"month":7,"outsideTemp":19.51,"heatingDays":10,"degreeDayNum":18,"solarIrradianceKwhM2":162.2,"windSpeedAvg":4.5,"relativeHumidity":70.8,"outsideTempOnHeatingDays":16.14},{"month":8,"outsideTemp":19.28,"heatingDays":10,"degreeDayNum":21,"solarIrradianceKwhM2":143.4,"windSpeedAvg":4.25,"relativeHumidity":70.1,"outsideTempOnHeatingDays":16.01},{"month":9,"outsideTemp":14.32,"heatingDays":26,"degreeDayNum":117,"solarIrradianceKwhM2":95.3,"windSpeedAvg":4.64,"relativeHumidity":75,"outsideTempOnHeatingDays":13.51},{"month":10,"outsideTemp":9.06,"heatingDays":30,"degreeDayNum":277,"solarIrradianceKwhM2":60,"windSpeedAvg":4.77,"relativeHumidity":79.7,"outsideTempOnHeatingDays":9.02},{"month":11,"outsideTemp":3.97,"heatingDays":30,"degreeDayNum":420,"solarIrradianceKwhM2":31.7,"windSpeedAvg":4.82,"relativeHumidity":84,"outsideTempOnHeatingDays":3.97},{"month":12,"outsideTemp":-0.32,"heatingDays":31,"degreeDayNum":568,"solarIrradianceKwhM2":22.3,"windSpeedAvg":5.11,"relativeHumidity":83.4,"outsideTempOnHeatingDays":-0.32}],"groundTemp1m":9.43,"groundTemp2m":9.43,"solarIrradianceKwhM2Year":1136.8,"windSpeedAvg":4.9,"relativeHumidityAvg":76.1,"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":"2026-05-19T12:28:31.620Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}