{"location":{"city":"Sokolna","voivodeship":"Wielkopolskie","community":"Tarnówka","postalCode":"77-416","latitude":53.3051,"longitude":16.8852,"elevation":108},"climateZone":2,"standardOutsideTemp":-18,"annualMeanTemp":8.7,"monthly":[{"month":1,"outsideTemp":-0.93,"heatingDays":31,"degreeDayNum":586,"solarIrradianceKwhM2":20.5,"windSpeedAvg":5.75,"relativeHumidity":86.4,"outsideTempOnHeatingDays":-0.93},{"month":2,"outsideTemp":-0.05,"heatingDays":28,"degreeDayNum":510,"solarIrradianceKwhM2":38.6,"windSpeedAvg":5.76,"relativeHumidity":83.3,"outsideTempOnHeatingDays":-0.05},{"month":3,"outsideTemp":2.88,"heatingDays":31,"degreeDayNum":468,"solarIrradianceKwhM2":80.7,"windSpeedAvg":5.65,"relativeHumidity":78.6,"outsideTempOnHeatingDays":2.88},{"month":4,"outsideTemp":8.2,"heatingDays":29,"degreeDayNum":294,"solarIrradianceKwhM2":127.5,"windSpeedAvg":5.29,"relativeHumidity":72,"outsideTempOnHeatingDays":8.06},{"month":5,"outsideTemp":13.18,"heatingDays":27,"degreeDayNum":155,"solarIrradianceKwhM2":160.2,"windSpeedAvg":5.12,"relativeHumidity":70.1,"outsideTempOnHeatingDays":12.37},{"month":6,"outsideTemp":16.57,"heatingDays":20,"degreeDayNum":64,"solarIrradianceKwhM2":161.5,"windSpeedAvg":5.14,"relativeHumidity":70.1,"outsideTempOnHeatingDays":14.87},{"month":7,"outsideTemp":18.61,"heatingDays":14,"degreeDayNum":28,"solarIrradianceKwhM2":159.5,"windSpeedAvg":4.93,"relativeHumidity":71.9,"outsideTempOnHeatingDays":16.04},{"month":8,"outsideTemp":18.35,"heatingDays":14,"degreeDayNum":30,"solarIrradianceKwhM2":135.3,"windSpeedAvg":4.77,"relativeHumidity":72.7,"outsideTempOnHeatingDays":15.89},{"month":9,"outsideTemp":13.94,"heatingDays":27,"degreeDayNum":125,"solarIrradianceKwhM2":87.6,"windSpeedAvg":5.09,"relativeHumidity":77.7,"outsideTempOnHeatingDays":13.41},{"month":10,"outsideTemp":8.92,"heatingDays":31,"degreeDayNum":281,"solarIrradianceKwhM2":51.1,"windSpeedAvg":5.33,"relativeHumidity":82.9,"outsideTempOnHeatingDays":8.92},{"month":11,"outsideTemp":4.05,"heatingDays":30,"degreeDayNum":418,"solarIrradianceKwhM2":22.8,"windSpeedAvg":5.3,"relativeHumidity":88.5,"outsideTempOnHeatingDays":4.05},{"month":12,"outsideTemp":0.54,"heatingDays":31,"degreeDayNum":541,"solarIrradianceKwhM2":14.8,"windSpeedAvg":5.55,"relativeHumidity":88.2,"outsideTempOnHeatingDays":0.54}],"groundTemp1m":8.88,"groundTemp2m":8.88,"solarIrradianceKwhM2Year":1060,"windSpeedAvg":5.31,"relativeHumidityAvg":78.5,"suitability":{"score":66,"rating":"good","color":"lime","estimatedScop":4.1,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV.","Wysoka średnia prędkość wiatru (5.3 m/s) — większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:34:29.950Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}