{"location":{"city":"Stargard","voivodeship":"Zachodniopomorskie","community":"Stargard","postalCode":"73-110","latitude":53.2961,"longitude":15.0069,"elevation":34},"climateZone":1,"standardOutsideTemp":-16,"annualMeanTemp":9.3,"monthly":[{"month":1,"outsideTemp":0.13,"heatingDays":31,"degreeDayNum":554,"solarIrradianceKwhM2":20.5,"windSpeedAvg":5.9,"relativeHumidity":85.5,"outsideTempOnHeatingDays":0.13},{"month":2,"outsideTemp":0.92,"heatingDays":28,"degreeDayNum":482,"solarIrradianceKwhM2":39.1,"windSpeedAvg":5.83,"relativeHumidity":82.1,"outsideTempOnHeatingDays":0.92},{"month":3,"outsideTemp":3.71,"heatingDays":31,"degreeDayNum":442,"solarIrradianceKwhM2":80.4,"windSpeedAvg":5.69,"relativeHumidity":78,"outsideTempOnHeatingDays":3.71},{"month":4,"outsideTemp":8.73,"heatingDays":29,"degreeDayNum":278,"solarIrradianceKwhM2":128.8,"windSpeedAvg":5.28,"relativeHumidity":72.4,"outsideTempOnHeatingDays":8.56},{"month":5,"outsideTemp":13.41,"heatingDays":27,"degreeDayNum":148,"solarIrradianceKwhM2":160.8,"windSpeedAvg":5.09,"relativeHumidity":71.3,"outsideTempOnHeatingDays":12.59},{"month":6,"outsideTemp":16.75,"heatingDays":20,"degreeDayNum":61,"solarIrradianceKwhM2":162.8,"windSpeedAvg":5.09,"relativeHumidity":71.4,"outsideTempOnHeatingDays":14.99},{"month":7,"outsideTemp":18.95,"heatingDays":13,"degreeDayNum":23,"solarIrradianceKwhM2":160.5,"windSpeedAvg":4.9,"relativeHumidity":71.7,"outsideTempOnHeatingDays":16.2},{"month":8,"outsideTemp":18.79,"heatingDays":13,"degreeDayNum":25,"solarIrradianceKwhM2":135.7,"windSpeedAvg":4.79,"relativeHumidity":72.1,"outsideTempOnHeatingDays":16.05},{"month":9,"outsideTemp":14.53,"heatingDays":26,"degreeDayNum":109,"solarIrradianceKwhM2":88.2,"windSpeedAvg":5.08,"relativeHumidity":77.2,"outsideTempOnHeatingDays":13.82},{"month":10,"outsideTemp":9.68,"heatingDays":31,"degreeDayNum":257,"solarIrradianceKwhM2":51.4,"windSpeedAvg":5.43,"relativeHumidity":82.2,"outsideTempOnHeatingDays":9.68},{"month":11,"outsideTemp":4.8,"heatingDays":30,"degreeDayNum":396,"solarIrradianceKwhM2":23.6,"windSpeedAvg":5.44,"relativeHumidity":87.4,"outsideTempOnHeatingDays":4.8},{"month":12,"outsideTemp":1.46,"heatingDays":31,"degreeDayNum":512,"solarIrradianceKwhM2":15.2,"windSpeedAvg":5.76,"relativeHumidity":87.3,"outsideTempOnHeatingDays":1.46}],"groundTemp1m":9.54,"groundTemp2m":9.54,"solarIrradianceKwhM2Year":1067,"windSpeedAvg":5.36,"relativeHumidityAvg":78.2,"suitability":{"score":75,"rating":"good","color":"lime","estimatedScop":4.1,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV.","Wysoka średnia prędkość wiatru (5.4 m/s) — większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:09:27.127Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}