{"location":{"city":"Korytyna","voivodeship":"Lubelskie","community":"Gmina Trzeszczany","postalCode":"22-554","latitude":50.8171,"longitude":23.6481,"elevation":225},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.6,"monthly":[{"month":1,"outsideTemp":-2.42,"heatingDays":31,"degreeDayNum":633,"solarIrradianceKwhM2":26.5,"windSpeedAvg":5.4,"relativeHumidity":83.7,"outsideTempOnHeatingDays":-2.42},{"month":2,"outsideTemp":-1.38,"heatingDays":28,"degreeDayNum":547,"solarIrradianceKwhM2":44.4,"windSpeedAvg":5.38,"relativeHumidity":82.2,"outsideTempOnHeatingDays":-1.38},{"month":3,"outsideTemp":2.39,"heatingDays":31,"degreeDayNum":483,"solarIrradianceKwhM2":87.7,"windSpeedAvg":5.44,"relativeHumidity":76.5,"outsideTempOnHeatingDays":2.39},{"month":4,"outsideTemp":8.63,"heatingDays":29,"degreeDayNum":281,"solarIrradianceKwhM2":130.9,"windSpeedAvg":4.98,"relativeHumidity":71,"outsideTempOnHeatingDays":8.54},{"month":5,"outsideTemp":13.95,"heatingDays":26,"degreeDayNum":132,"solarIrradianceKwhM2":161.8,"windSpeedAvg":4.73,"relativeHumidity":71.7,"outsideTempOnHeatingDays":12.98},{"month":6,"outsideTemp":17.52,"heatingDays":17,"degreeDayNum":46,"solarIrradianceKwhM2":168.5,"windSpeedAvg":4.54,"relativeHumidity":72.2,"outsideTempOnHeatingDays":15.25},{"month":7,"outsideTemp":19.43,"heatingDays":10,"degreeDayNum":18,"solarIrradianceKwhM2":164.2,"windSpeedAvg":4.37,"relativeHumidity":72.8,"outsideTempOnHeatingDays":16.23},{"month":8,"outsideTemp":19.01,"heatingDays":11,"degreeDayNum":23,"solarIrradianceKwhM2":145.5,"windSpeedAvg":4.26,"relativeHumidity":71.4,"outsideTempOnHeatingDays":16.02},{"month":9,"outsideTemp":14.05,"heatingDays":26,"degreeDayNum":124,"solarIrradianceKwhM2":94.2,"windSpeedAvg":4.68,"relativeHumidity":76.2,"outsideTempOnHeatingDays":13.28},{"month":10,"outsideTemp":8.7,"heatingDays":30,"degreeDayNum":288,"solarIrradianceKwhM2":59.6,"windSpeedAvg":5.01,"relativeHumidity":80.2,"outsideTempOnHeatingDays":8.65},{"month":11,"outsideTemp":3.61,"heatingDays":30,"degreeDayNum":431,"solarIrradianceKwhM2":29.8,"windSpeedAvg":5.09,"relativeHumidity":84.6,"outsideTempOnHeatingDays":3.61},{"month":12,"outsideTemp":-0.8,"heatingDays":31,"degreeDayNum":582,"solarIrradianceKwhM2":19.8,"windSpeedAvg":5.32,"relativeHumidity":85,"outsideTempOnHeatingDays":-0.8}],"groundTemp1m":9.08,"groundTemp2m":9.08,"solarIrradianceKwhM2Year":1132.8,"windSpeedAvg":4.93,"relativeHumidityAvg":77.3,"suitability":{"score":63,"rating":"fair","color":"yellow","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":"2026-05-19T12:14:43.763Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}