{"location":{"city":"Tyszki-Bregendy","voivodeship":"Mazowieckie","community":"Szydłowo","postalCode":"06-516","latitude":53.0458,"longitude":20.5029,"elevation":146},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.2,"monthly":[{"month":1,"outsideTemp":-2.23,"heatingDays":31,"degreeDayNum":627,"solarIrradianceKwhM2":22,"windSpeedAvg":5.93,"relativeHumidity":86.4,"outsideTempOnHeatingDays":-2.23},{"month":2,"outsideTemp":-1.24,"heatingDays":28,"degreeDayNum":543,"solarIrradianceKwhM2":39.9,"windSpeedAvg":5.86,"relativeHumidity":83.7,"outsideTempOnHeatingDays":-1.24},{"month":3,"outsideTemp":2.2,"heatingDays":31,"degreeDayNum":489,"solarIrradianceKwhM2":82.8,"windSpeedAvg":5.87,"relativeHumidity":77.4,"outsideTempOnHeatingDays":2.2},{"month":4,"outsideTemp":8.04,"heatingDays":29,"degreeDayNum":299,"solarIrradianceKwhM2":127.3,"windSpeedAvg":5.28,"relativeHumidity":71.5,"outsideTempOnHeatingDays":7.94},{"month":5,"outsideTemp":13.2,"heatingDays":27,"degreeDayNum":154,"solarIrradianceKwhM2":162.4,"windSpeedAvg":5.14,"relativeHumidity":71.1,"outsideTempOnHeatingDays":12.42},{"month":6,"outsideTemp":16.63,"heatingDays":19,"degreeDayNum":62,"solarIrradianceKwhM2":165.2,"windSpeedAvg":5.05,"relativeHumidity":71.3,"outsideTempOnHeatingDays":14.83},{"month":7,"outsideTemp":18.77,"heatingDays":13,"degreeDayNum":26,"solarIrradianceKwhM2":163.8,"windSpeedAvg":4.89,"relativeHumidity":72.3,"outsideTempOnHeatingDays":16.02},{"month":8,"outsideTemp":18.45,"heatingDays":14,"degreeDayNum":29,"solarIrradianceKwhM2":138.5,"windSpeedAvg":4.71,"relativeHumidity":71.3,"outsideTempOnHeatingDays":15.89},{"month":9,"outsideTemp":13.72,"heatingDays":27,"degreeDayNum":132,"solarIrradianceKwhM2":88.8,"windSpeedAvg":5.16,"relativeHumidity":76.7,"outsideTempOnHeatingDays":13.15},{"month":10,"outsideTemp":8.37,"heatingDays":31,"degreeDayNum":298,"solarIrradianceKwhM2":52.4,"windSpeedAvg":5.51,"relativeHumidity":82.1,"outsideTempOnHeatingDays":8.36},{"month":11,"outsideTemp":3.48,"heatingDays":30,"degreeDayNum":435,"solarIrradianceKwhM2":23.6,"windSpeedAvg":5.54,"relativeHumidity":87.4,"outsideTempOnHeatingDays":3.48},{"month":12,"outsideTemp":-0.47,"heatingDays":31,"degreeDayNum":572,"solarIrradianceKwhM2":15.4,"windSpeedAvg":5.69,"relativeHumidity":87.4,"outsideTempOnHeatingDays":-0.47}],"groundTemp1m":8.92,"groundTemp2m":8.92,"solarIrradianceKwhM2Year":1082.1,"windSpeedAvg":5.39,"relativeHumidityAvg":78.2,"suitability":{"score":59,"rating":"fair","color":"yellow","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":"2026-05-19T12:18:58.176Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}