{"location":{"city":"Franciszków","voivodeship":"Lubelskie","community":"Gmina Mełgiew","postalCode":"21-007","latitude":51.2259,"longitude":22.7215,"elevation":200},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.7,"monthly":[{"month":1,"outsideTemp":-2.23,"heatingDays":31,"degreeDayNum":627,"solarIrradianceKwhM2":25.4,"windSpeedAvg":5.24,"relativeHumidity":84.2,"outsideTempOnHeatingDays":-2.23},{"month":2,"outsideTemp":-1.12,"heatingDays":28,"degreeDayNum":540,"solarIrradianceKwhM2":43.5,"windSpeedAvg":5.21,"relativeHumidity":82.3,"outsideTempOnHeatingDays":-1.12},{"month":3,"outsideTemp":2.55,"heatingDays":31,"degreeDayNum":478,"solarIrradianceKwhM2":87.5,"windSpeedAvg":5.25,"relativeHumidity":76.4,"outsideTempOnHeatingDays":2.55},{"month":4,"outsideTemp":8.71,"heatingDays":29,"degreeDayNum":279,"solarIrradianceKwhM2":129.2,"windSpeedAvg":4.77,"relativeHumidity":70.5,"outsideTempOnHeatingDays":8.58},{"month":5,"outsideTemp":14.04,"heatingDays":26,"degreeDayNum":130,"solarIrradianceKwhM2":161.2,"windSpeedAvg":4.59,"relativeHumidity":70.7,"outsideTempOnHeatingDays":13.02},{"month":6,"outsideTemp":17.53,"heatingDays":17,"degreeDayNum":47,"solarIrradianceKwhM2":167.5,"windSpeedAvg":4.43,"relativeHumidity":71.3,"outsideTempOnHeatingDays":15.24},{"month":7,"outsideTemp":19.5,"heatingDays":10,"degreeDayNum":17,"solarIrradianceKwhM2":163.4,"windSpeedAvg":4.27,"relativeHumidity":71.8,"outsideTempOnHeatingDays":16.25},{"month":8,"outsideTemp":19.05,"heatingDays":11,"degreeDayNum":22,"solarIrradianceKwhM2":143.2,"windSpeedAvg":4.14,"relativeHumidity":71.1,"outsideTempOnHeatingDays":16.02},{"month":9,"outsideTemp":14.14,"heatingDays":26,"degreeDayNum":122,"solarIrradianceKwhM2":92.6,"windSpeedAvg":4.53,"relativeHumidity":76.2,"outsideTempOnHeatingDays":13.33},{"month":10,"outsideTemp":8.77,"heatingDays":30,"degreeDayNum":286,"solarIrradianceKwhM2":58.1,"windSpeedAvg":4.86,"relativeHumidity":80.6,"outsideTempOnHeatingDays":8.73},{"month":11,"outsideTemp":3.8,"heatingDays":30,"degreeDayNum":426,"solarIrradianceKwhM2":28.5,"windSpeedAvg":4.97,"relativeHumidity":85,"outsideTempOnHeatingDays":3.8},{"month":12,"outsideTemp":-0.6,"heatingDays":31,"degreeDayNum":576,"solarIrradianceKwhM2":18.7,"windSpeedAvg":5.18,"relativeHumidity":85.5,"outsideTempOnHeatingDays":-0.6}],"groundTemp1m":9.13,"groundTemp2m":9.13,"solarIrradianceKwhM2Year":1118.6,"windSpeedAvg":4.79,"relativeHumidityAvg":77.1,"suitability":{"score":65,"rating":"good","color":"lime","estimatedScop":4.1,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV."]},"_meta":{"source":"OPEN_METEO_ERA5_LAND_1991_2020","sourceLabel":"ERA5-Land Reanalysis (1991–2020)","fetchedAt":"2026-05-19T12:08:09.966Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}