{"location":{"city":"Kadzidłowo","voivodeship":"Warmińsko-Mazurskie","community":"Gmina Ruciane-Nida","postalCode":"12-220","latitude":53.7128,"longitude":21.4874,"elevation":125},"climateZone":4,"standardOutsideTemp":-22,"annualMeanTemp":8.2,"monthly":[{"month":1,"outsideTemp":-2.44,"heatingDays":31,"degreeDayNum":633,"solarIrradianceKwhM2":19.9,"windSpeedAvg":5.56,"relativeHumidity":87.2,"outsideTempOnHeatingDays":-2.44},{"month":2,"outsideTemp":-1.58,"heatingDays":28,"degreeDayNum":553,"solarIrradianceKwhM2":37.3,"windSpeedAvg":5.49,"relativeHumidity":84.8,"outsideTempOnHeatingDays":-1.58},{"month":3,"outsideTemp":1.83,"heatingDays":31,"degreeDayNum":501,"solarIrradianceKwhM2":79.7,"windSpeedAvg":5.43,"relativeHumidity":78.8,"outsideTempOnHeatingDays":1.83},{"month":4,"outsideTemp":7.87,"heatingDays":29,"degreeDayNum":304,"solarIrradianceKwhM2":123.3,"windSpeedAvg":4.95,"relativeHumidity":72.1,"outsideTempOnHeatingDays":7.75},{"month":5,"outsideTemp":13.33,"heatingDays":27,"degreeDayNum":151,"solarIrradianceKwhM2":159.5,"windSpeedAvg":4.92,"relativeHumidity":70.2,"outsideTempOnHeatingDays":12.41},{"month":6,"outsideTemp":16.78,"heatingDays":19,"degreeDayNum":59,"solarIrradianceKwhM2":160.3,"windSpeedAvg":4.86,"relativeHumidity":70.9,"outsideTempOnHeatingDays":14.94},{"month":7,"outsideTemp":18.87,"heatingDays":13,"degreeDayNum":24,"solarIrradianceKwhM2":159.4,"windSpeedAvg":4.62,"relativeHumidity":73.3,"outsideTempOnHeatingDays":16.15},{"month":8,"outsideTemp":18.42,"heatingDays":14,"degreeDayNum":29,"solarIrradianceKwhM2":134,"windSpeedAvg":4.49,"relativeHumidity":73.6,"outsideTempOnHeatingDays":15.95},{"month":9,"outsideTemp":13.74,"heatingDays":27,"degreeDayNum":130,"solarIrradianceKwhM2":85.7,"windSpeedAvg":4.91,"relativeHumidity":78.2,"outsideTempOnHeatingDays":13.27},{"month":10,"outsideTemp":8.29,"heatingDays":31,"degreeDayNum":301,"solarIrradianceKwhM2":49.2,"windSpeedAvg":5.31,"relativeHumidity":83,"outsideTempOnHeatingDays":8.29},{"month":11,"outsideTemp":3.37,"heatingDays":30,"degreeDayNum":439,"solarIrradianceKwhM2":21.5,"windSpeedAvg":5.35,"relativeHumidity":87.9,"outsideTempOnHeatingDays":3.37},{"month":12,"outsideTemp":-0.61,"heatingDays":31,"degreeDayNum":576,"solarIrradianceKwhM2":13.5,"windSpeedAvg":5.45,"relativeHumidity":88.2,"outsideTempOnHeatingDays":-0.61}],"groundTemp1m":8.59,"groundTemp2m":8.59,"solarIrradianceKwhM2Year":1043.3,"windSpeedAvg":5.11,"relativeHumidityAvg":79,"suitability":{"score":57,"rating":"fair","color":"yellow","estimatedScop":4.1,"notes":["Wysoka średnia prędkość wiatru (5.1 m/s) — większe straty przez infiltrację."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:31:35.908Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}