{"location":{"city":"Jarosław","voivodeship":"Podkarpackie","community":"Jarosław","postalCode":"37-750","latitude":50.0195,"longitude":22.6753,"elevation":214},"climateZone":3,"standardOutsideTemp":-20,"annualMeanTemp":8.9,"monthly":[{"month":1,"outsideTemp":-2.22,"heatingDays":31,"degreeDayNum":626,"solarIrradianceKwhM2":29.8,"windSpeedAvg":5.75,"relativeHumidity":82.8,"outsideTempOnHeatingDays":-2.22},{"month":2,"outsideTemp":-1.04,"heatingDays":28,"degreeDayNum":538,"solarIrradianceKwhM2":48.6,"windSpeedAvg":5.73,"relativeHumidity":81.3,"outsideTempOnHeatingDays":-1.04},{"month":3,"outsideTemp":2.98,"heatingDays":31,"degreeDayNum":465,"solarIrradianceKwhM2":89.7,"windSpeedAvg":5.64,"relativeHumidity":75.4,"outsideTempOnHeatingDays":2.98},{"month":4,"outsideTemp":9.06,"heatingDays":29,"degreeDayNum":268,"solarIrradianceKwhM2":130.8,"windSpeedAvg":5.06,"relativeHumidity":70.9,"outsideTempOnHeatingDays":8.98},{"month":5,"outsideTemp":14.13,"heatingDays":26,"degreeDayNum":127,"solarIrradianceKwhM2":158,"windSpeedAvg":4.74,"relativeHumidity":73,"outsideTempOnHeatingDays":13.15},{"month":6,"outsideTemp":17.69,"heatingDays":16,"degreeDayNum":43,"solarIrradianceKwhM2":163.3,"windSpeedAvg":4.55,"relativeHumidity":74,"outsideTempOnHeatingDays":15.33},{"month":7,"outsideTemp":19.51,"heatingDays":9,"degreeDayNum":17,"solarIrradianceKwhM2":161.2,"windSpeedAvg":4.39,"relativeHumidity":74.1,"outsideTempOnHeatingDays":16.19},{"month":8,"outsideTemp":19.15,"heatingDays":11,"degreeDayNum":21,"solarIrradianceKwhM2":144,"windSpeedAvg":4.16,"relativeHumidity":73.3,"outsideTempOnHeatingDays":16.11},{"month":9,"outsideTemp":14.33,"heatingDays":25,"degreeDayNum":117,"solarIrradianceKwhM2":95.8,"windSpeedAvg":4.7,"relativeHumidity":76.4,"outsideTempOnHeatingDays":13.45},{"month":10,"outsideTemp":9.19,"heatingDays":30,"degreeDayNum":273,"solarIrradianceKwhM2":61.4,"windSpeedAvg":5.1,"relativeHumidity":79.4,"outsideTempOnHeatingDays":9.11},{"month":11,"outsideTemp":4.14,"heatingDays":30,"degreeDayNum":415,"solarIrradianceKwhM2":32.5,"windSpeedAvg":5.28,"relativeHumidity":83.1,"outsideTempOnHeatingDays":4.14},{"month":12,"outsideTemp":-0.57,"heatingDays":31,"degreeDayNum":575,"solarIrradianceKwhM2":22.5,"windSpeedAvg":5.73,"relativeHumidity":83.3,"outsideTempOnHeatingDays":-0.57}],"groundTemp1m":9.36,"groundTemp2m":9.36,"solarIrradianceKwhM2Year":1137.4,"windSpeedAvg":5.07,"relativeHumidityAvg":77.2,"suitability":{"score":66,"rating":"good","color":"lime","estimatedScop":4.1,"notes":["Wysokie nasłonecznienie — bardzo dobre warunki dla hybrydy pompa ciepła + PV.","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":"2026-05-19T12:06:30.261Z","attribution":"Weather data by Open-Meteo.com (CC BY 4.0)","legalRef":"PN-B-02403:1982 (climateZone, standardOutsideTemp)","apiVersion":"v1"}}