{"location":{"city":"Śrem","voivodeship":"Wielkopolskie","community":"Śrem","postalCode":"63-100","latitude":52.0876,"longitude":17.0143,"elevation":87},"climateZone":2,"standardOutsideTemp":-18,"annualMeanTemp":9.6,"monthly":[{"month":1,"outsideTemp":-0.34,"heatingDays":31,"degreeDayNum":568,"solarIrradianceKwhM2":23.4,"windSpeedAvg":5.67,"relativeHumidity":83.5,"outsideTempOnHeatingDays":-0.34},{"month":2,"outsideTemp":0.67,"heatingDays":28,"degreeDayNum":490,"solarIrradianceKwhM2":42.2,"windSpeedAvg":5.61,"relativeHumidity":80.6,"outsideTempOnHeatingDays":0.67},{"month":3,"outsideTemp":3.85,"heatingDays":31,"degreeDayNum":438,"solarIrradianceKwhM2":84.8,"windSpeedAvg":5.56,"relativeHumidity":76.5,"outsideTempOnHeatingDays":3.85},{"month":4,"outsideTemp":9.18,"heatingDays":29,"degreeDayNum":265,"solarIrradianceKwhM2":131.7,"windSpeedAvg":5.14,"relativeHumidity":70.3,"outsideTempOnHeatingDays":8.99},{"month":5,"outsideTemp":14.11,"heatingDays":26,"degreeDayNum":129,"solarIrradianceKwhM2":160.6,"windSpeedAvg":4.95,"relativeHumidity":68.8,"outsideTempOnHeatingDays":13.04},{"month":6,"outsideTemp":17.69,"heatingDays":16,"degreeDayNum":45,"solarIrradianceKwhM2":164.4,"windSpeedAvg":4.94,"relativeHumidity":67.4,"outsideTempOnHeatingDays":15.25},{"month":7,"outsideTemp":19.69,"heatingDays":10,"degreeDayNum":17,"solarIrradianceKwhM2":163,"windSpeedAvg":4.81,"relativeHumidity":68.3,"outsideTempOnHeatingDays":16.31},{"month":8,"outsideTemp":19.52,"heatingDays":10,"degreeDayNum":18,"solarIrradianceKwhM2":140.8,"windSpeedAvg":4.61,"relativeHumidity":68.1,"outsideTempOnHeatingDays":16.14},{"month":9,"outsideTemp":14.83,"heatingDays":25,"degreeDayNum":103,"solarIrradianceKwhM2":92.3,"windSpeedAvg":4.91,"relativeHumidity":74,"outsideTempOnHeatingDays":13.87},{"month":10,"outsideTemp":9.73,"heatingDays":30,"degreeDayNum":256,"solarIrradianceKwhM2":55.4,"windSpeedAvg":5.14,"relativeHumidity":80,"outsideTempOnHeatingDays":9.69},{"month":11,"outsideTemp":4.72,"heatingDays":30,"degreeDayNum":398,"solarIrradianceKwhM2":26.5,"windSpeedAvg":5.2,"relativeHumidity":85.8,"outsideTempOnHeatingDays":4.72},{"month":12,"outsideTemp":1.03,"heatingDays":31,"degreeDayNum":526,"solarIrradianceKwhM2":17.9,"windSpeedAvg":5.5,"relativeHumidity":85.2,"outsideTempOnHeatingDays":1.03}],"groundTemp1m":9.82,"groundTemp2m":9.82,"solarIrradianceKwhM2Year":1102.7,"windSpeedAvg":5.17,"relativeHumidityAvg":75.7,"suitability":{"score":77,"rating":"good","color":"lime","estimatedScop":4.2,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV.","Wysoka średnia prędkość wiatru (5.2 m/s) — większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:34:06.072Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}