{"location":{"city":"Popioły","voivodeship":"Warmińsko-Mazurskie","community":"Gmina Budry","postalCode":"11-606","latitude":54.2314,"longitude":21.9386,"elevation":107},"climateZone":4,"standardOutsideTemp":-22,"annualMeanTemp":8,"monthly":[{"month":1,"outsideTemp":-2.5,"heatingDays":31,"degreeDayNum":635,"solarIrradianceKwhM2":18.9,"windSpeedAvg":5.46,"relativeHumidity":87,"outsideTempOnHeatingDays":-2.5},{"month":2,"outsideTemp":-1.7,"heatingDays":28,"degreeDayNum":556,"solarIrradianceKwhM2":36.3,"windSpeedAvg":5.41,"relativeHumidity":84.5,"outsideTempOnHeatingDays":-1.7},{"month":3,"outsideTemp":1.66,"heatingDays":31,"degreeDayNum":506,"solarIrradianceKwhM2":79.3,"windSpeedAvg":5.3,"relativeHumidity":78.6,"outsideTempOnHeatingDays":1.66},{"month":4,"outsideTemp":7.65,"heatingDays":29,"degreeDayNum":310,"solarIrradianceKwhM2":123.3,"windSpeedAvg":4.83,"relativeHumidity":72.1,"outsideTempOnHeatingDays":7.55},{"month":5,"outsideTemp":12.98,"heatingDays":27,"degreeDayNum":161,"solarIrradianceKwhM2":162.3,"windSpeedAvg":4.72,"relativeHumidity":71.2,"outsideTempOnHeatingDays":12.13},{"month":6,"outsideTemp":16.36,"heatingDays":21,"degreeDayNum":67,"solarIrradianceKwhM2":162,"windSpeedAvg":4.65,"relativeHumidity":72.8,"outsideTempOnHeatingDays":14.76},{"month":7,"outsideTemp":18.62,"heatingDays":14,"degreeDayNum":27,"solarIrradianceKwhM2":160.6,"windSpeedAvg":4.43,"relativeHumidity":74.4,"outsideTempOnHeatingDays":16.06},{"month":8,"outsideTemp":18.19,"heatingDays":15,"degreeDayNum":32,"solarIrradianceKwhM2":133.6,"windSpeedAvg":4.41,"relativeHumidity":74.7,"outsideTempOnHeatingDays":15.9},{"month":9,"outsideTemp":13.64,"heatingDays":28,"degreeDayNum":133,"solarIrradianceKwhM2":85.6,"windSpeedAvg":4.79,"relativeHumidity":78.3,"outsideTempOnHeatingDays":13.24},{"month":10,"outsideTemp":8.21,"heatingDays":31,"degreeDayNum":303,"solarIrradianceKwhM2":48.1,"windSpeedAvg":5.24,"relativeHumidity":83,"outsideTempOnHeatingDays":8.21},{"month":11,"outsideTemp":3.35,"heatingDays":30,"degreeDayNum":439,"solarIrradianceKwhM2":20.9,"windSpeedAvg":5.29,"relativeHumidity":87.5,"outsideTempOnHeatingDays":3.35},{"month":12,"outsideTemp":-0.58,"heatingDays":31,"degreeDayNum":575,"solarIrradianceKwhM2":12.9,"windSpeedAvg":5.38,"relativeHumidity":87.9,"outsideTempOnHeatingDays":-0.58}],"groundTemp1m":8.43,"groundTemp2m":8.43,"solarIrradianceKwhM2Year":1043.7,"windSpeedAvg":4.99,"relativeHumidityAvg":79.3,"suitability":{"score":55,"rating":"fair","color":"yellow","estimatedScop":4,"notes":[]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:31:53.465Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}