{"name":"Frankfurt am Main","state":"Hessen","district":"Frankfurt am Main","lat":50.1155,"lon":8.6842,"population":650000,"elevation_m":111,"url":"https://solaratlas24.de/ort/frankfurt-am-main.html","pv_kwh_per_kwp":{"opt":1082,"s35":1081,"ew":860,"e35":870,"w35":849,"s15":1018,"s90":761},"pv_monthly_kwh_per_kwp_optimal":[38.6,60.6,97.5,122.9,128.9,129.6,131.1,120.8,106.9,73.2,40.1,31.6],"optimal_tilt_deg":38,"optimal_azimuth_deg":-3,"climate_1991_2020":{"frost":52,"hot":16,"ice":9,"prec":628,"rad":1111,"summer":61,"sun":1711,"temp":11.4},"climate_1961_1990":{"frost":67,"hot":10,"ice":15,"prec":659,"summer":44,"sun":1580,"temp":10.1},"monthly_normals_1991_2020":{"prec":[50,43,42,37,60,60,66,59,49,53,50,60],"rad":[23,41,81,128,159,171,169,145,97,55,25,17],"sun":[50,79,135,192,216,227,235,224,164,103,49,38],"temp":[2.6,3.5,7.2,11.4,15.4,18.8,20.8,20.2,15.7,10.9,6.4,3.4]},"annual_series":{"frost":{"start":1951,"values":[41,70,58,54,94,78,52,67,57,43,53,82,97,75,71,46,55,71,85,77,62,68,75,25,52,67,47,62,73,67,81,62,66,53,90,61,74,36,46,31,66,41,60,29,52,77,51,57,43,37,63,42,71,66,70,74,36,69,58,86,49,45,69,18,32,46,42,48,37,26,45,34,35,30,51]},"hot":{"start":1951,"values":[7,16,13,8,4,2,13,3,21,3,9,6,6,20,2,5,12,4,13,6,11,8,13,4,12,22,3,3,4,2,6,14,18,7,4,10,5,7,10,14,15,17,10,24,21,8,11,14,12,7,16,10,30,14,18,22,10,12,12,16,7,13,16,10,29,15,15,40,29,18,8,40,23,20,22]},"ice":{"start":1951,"values":[3,10,9,23,15,31,9,6,5,8,14,17,53,19,9,13,11,17,30,23,14,15,8,0,3,15,5,15,19,14,19,14,15,3,36,22,26,2,3,1,14,6,17,1,10,26,16,8,6,4,4,14,8,7,11,12,6,1,15,39,5,15,15,0,0,6,5,3,2,0,5,5,1,7,2]},"prec":{"start":1951,"values":[593,788,444,636,608,700,665,807,430,762,836,530,609,464,980,859,710,779,577,701,457,550,484,700,573,363,724,604,720,640,943,611,659,703,548,706,794,725,661,640,508,641,643,654,723,563,497,724,665,743,780,793,438,588,546,619,726,604,658,677,563,630,685,689,453,709,732,470,577,524,692,564,768,844,555]},"rad":{"start":1991,"values":[1122,1090,1085,1071,1049,1076,1127,1001,1121,1056,1059,1045,1240,1083,1146,1143,1107,1086,1124,1127,1177,1126,1072,1083,1123,1065,1107,1241,1169,1202,1122,1244,1152,1110,1231]},"summer":{"start":1951,"values":[46,57,51,33,45,24,39,42,74,32,38,42,39,63,26,40,48,31,49,45,54,28,58,34,54,69,31,28,35,28,33,63,63,32,37,50,35,47,61,50,57,64,52,57,62,42,58,46,60,48,59,52,92,55,61,70,53,57,55,47,70,59,56,51,64,67,66,108,80,75,58,95,88,69,70]},"sun":{"start":1951,"values":[1689,1612,1784,1486,1601,1478,1622,1573,2081,1502,1592,1768,1660,1772,1405,1471,1710,1507,1498,1438,1708,1546,1701,1425,1664,1834,1326,1323,1471,1365,1341,1706,1614,1425,1671,1561,1492,1508,1759,1815,1818,1637,1688,1679,1640,1655,1853,1542,1708,1572,1539,1586,2108,1619,1749,1768,1753,1539,1701,1633,1878,1750,1512,1589,1712,1519,1671,2075,1871,1944,1727,2122,1805,1567,1904]},"temp":{"start":1881,"values":[9.4,10.0,9.6,10.3,9.2,9.8,8.4,8.3,8.9,8.9,8.9,9.0,9.7,9.7,9.0,9.3,9.6,10.1,10.0,10.3,9.4,9.3,10.2,10.3,10.1,10.2,9.8,8.9,9.1,10.0,10.8,9.6,10.2,10.0,9.9,10.1,9.2,10.2,9.1,10.2,10.9,8.9,9.8,9.0,9.9,10.4,9.8,10.1,9.2,10.5,9.2,9.8,9.5,11.2,10.2,10.2,10.5,10.2,10.0,8.5,9.2,9.1,10.5,10.1,10.8,10.1,10.6,10.6,10.9,10.3,10.5,10.0,10.8,9.7,9.4,8.9,10.5,10.1,11.1,10.6,10.7,9.0,8.7,10.1,9.4,10.5,10.8,9.9,9.7,9.7,10.3,9.5,10.0,10.5,10.5,10.5,10.2,9.2,9.2,9.3,9.7,10.4,10.4,9.7,9.4,10.1,9.7,11.2,11.4,11.5,10.4,11.2,10.7,11.9,11.1,9.4,11.0,11.0,11.4,11.7,11.0,11.5,11.6,10.8,11.3,11.1,11.8,11.4,11.2,10.0,11.7,11.2,10.7,12.3,12.0,11.4,11.7,12.7,12.2,12.5,10.9,12.7,12.6,12.5,12.0]}},"recent_months":[{"month":"2025-11","pv_kwh_per_kwp_est":47.3,"radiation_kwh_m2":29.5,"sunshine_h":54.0,"temp_c":6.3,"precip_mm":24.0},{"month":"2025-12","pv_kwh_per_kwp_est":37.5,"radiation_kwh_m2":20.2,"sunshine_h":59.0,"temp_c":4.5,"precip_mm":19.0},{"month":"2026-01","pv_kwh_per_kwp_est":43.8,"radiation_kwh_m2":26.1,"sunshine_h":43.0,"temp_c":1.3,"precip_mm":64.0},{"month":"2026-02","pv_kwh_per_kwp_est":49.8,"radiation_kwh_m2":33.7,"sunshine_h":37.0,"temp_c":5.8,"precip_mm":80.0},{"month":"2026-03","pv_kwh_per_kwp_est":120.6,"radiation_kwh_m2":100.2,"sunshine_h":187.0,"temp_c":8.6,"precip_mm":30.0},{"month":"2026-04","pv_kwh_per_kwp_est":149.9,"radiation_kwh_m2":156.1,"sunshine_h":246.0,"temp_c":12.1,"precip_mm":14.0},{"month":"2026-05","pv_kwh_per_kwp_est":139.9,"radiation_kwh_m2":172.6,"sunshine_h":242.0,"temp_c":16.4,"precip_mm":44.0},{"month":"2026-06","pv_kwh_per_kwp_est":140.4,"radiation_kwh_m2":185.3,"sunshine_h":258.0,"temp_c":22.1,"precip_mm":52.0},{"month":"2026-07","pv_kwh_per_kwp_est":153.8,"radiation_kwh_m2":198.3,"sunshine_h":309.0,"temp_c":22.8,"precip_mm":6.0},{"month":"2026-08","pv_kwh_per_kwp_est":135.5,"radiation_kwh_m2":162.6,"sunshine_h":262.0,"temp_c":22.5,"precip_mm":47.0},{"month":"2026-09","pv_kwh_per_kwp_est":132.2,"radiation_kwh_m2":120.0,"sunshine_h":211.0,"temp_c":18.2,"precip_mm":22.0},{"month":"2026-10","pv_kwh_per_kwp_est":87.0,"radiation_kwh_m2":65.4,"sunshine_h":122.0,"temp_c":11.9,"precip_mm":68.0}],"sources":["PVGIS 5.3 © European Union (JRC)","Deutscher Wetterdienst, Climate Data Center (CC BY 4.0)"],"license":"CC BY 4.0","attribution":"SolarAtlas24: Photovoltaik und Klima in Frankfurt am Main. Datenbasis PVGIS (EU JRC) und DWD. https://solaratlas24.de/ort/frankfurt-am-main.html (Stand 2026-11)"}