{"name":"Radolfzell am Bodensee","state":"Baden-Württemberg","district":"Landkreis Konstanz","lat":47.7419,"lon":8.971,"population":31734,"elevation_m":401,"url":"https://solaratlas24.de/ort/radolfzell-am-bodensee.html","pv_kwh_per_kwp":{"opt":1138,"s35":1136,"ew":904,"e35":889,"w35":919,"s15":1076,"s90":781},"pv_monthly_kwh_per_kwp_optimal":[47.2,65.5,106.4,123.2,126.5,132.3,137.4,126.8,111.2,78.0,46.0,37.4],"optimal_tilt_deg":37,"optimal_azimuth_deg":5,"climate_1991_2020":{"frost":81,"hot":13,"ice":14,"prec":796,"rad":1192,"summer":55,"sun":1743,"temp":10.0},"climate_1961_1990":{"frost":86,"hot":5,"ice":23,"prec":797,"summer":39,"sun":1656,"temp":8.9},"monthly_normals_1991_2020":{"prec":[49,44,46,53,89,88,98,89,64,61,55,62],"rad":[28,49,94,132,163,176,179,153,105,61,30,22],"sun":[55,84,142,184,206,227,246,227,164,106,58,45],"temp":[1.0,1.7,5.8,10.0,14.2,17.8,19.4,18.9,14.5,9.9,4.9,1.7]},"annual_series":{"frost":{"start":1951,"values":[94,109,121,94,116,104,88,96,100,85,80,106,101,88,93,83,88,98,102,102,99,92,114,45,85,85,67,82,77,94,89,75,85,95,110,89,90,69,75,78,95,79,81,44,84,105,85,85,80,51,78,51,98,88,102,96,70,98,76,102,78,73,94,49,89,82,87,69,76,78,96,82,67,60,84]},"hot":{"start":1951,"values":[5,18,5,3,1,2,9,3,4,1,5,6,5,14,6,5,8,7,6,4,12,4,4,4,4,11,3,1,2,4,1,4,14,4,5,2,2,2,5,7,7,13,5,10,10,3,4,14,5,6,9,9,28,7,13,20,6,10,8,14,10,13,17,9,31,11,21,27,21,16,8,22,25,21,20]},"ice":{"start":1951,"values":[3,26,23,24,20,37,15,17,12,17,18,27,49,29,15,16,18,24,36,26,31,17,18,1,12,26,10,26,15,27,22,14,23,13,38,30,31,4,7,13,28,11,19,9,17,26,14,16,18,3,11,8,19,14,27,20,12,6,22,37,9,19,21,0,5,4,14,9,4,0,8,2,2,8,8]},"prec":{"start":1951,"values":[717,914,579,852,814,779,761,898,817,910,751,692,731,704,1078,902,706,776,733,767,617,708,758,796,900,682,834,913,893,780,903,917,676,772,686,947,820,886,688,825,668,882,810,900,954,858,704,766,1013,896,974,984,614,733,674,805,836,749,754,815,681,856,752,767,677,895,792,627,793,698,853,715,837,923,788]},"rad":{"start":1991,"values":[1145,1145,1138,1124,1115,1148,1198,1166,1113,1168,1152,1178,1302,1180,1183,1202,1211,1183,1204,1158,1264,1247,1148,1183,1236,1184,1233,1310,1257,1285,1248,1379,1271,1166,1259]},"summer":{"start":1951,"values":[44,53,41,30,27,23,31,47,49,27,44,44,31,55,31,37,52,31,47,47,48,31,47,32,38,49,26,27,39,25,39,41,55,28,42,48,38,31,43,44,53,52,44,55,46,38,46,46,43,49,50,44,88,49,53,58,54,54,58,46,54,57,57,43,63,60,68,94,63,68,50,81,86,67,62]},"sun":{"start":1951,"values":[1610,1776,1817,1521,1610,1582,1655,1614,1932,1563,1751,1839,1613,1710,1439,1619,1780,1578,1631,1531,1770,1608,1653,1550,1640,1822,1490,1555,1541,1476,1530,1668,1742,1617,1779,1640,1467,1579,1762,1806,1692,1595,1581,1535,1546,1636,1782,1664,1554,1684,1663,1620,2026,1671,1739,1830,1876,1761,1734,1592,1979,1852,1557,1668,1875,1657,1845,2026,1948,2079,1891,2216,1887,1636,1873]},"temp":{"start":1881,"values":[8.7,9.0,8.7,9.3,8.8,9.1,7.7,7.9,8.0,7.8,8.0,8.8,8.9,8.7,8.2,8.1,9.0,9.3,9.1,9.3,8.2,8.4,8.7,9.3,8.6,8.7,8.7,8.1,8.0,8.8,9.6,8.5,9.1,8.6,8.7,9.2,8.0,9.0,8.2,9.3,9.7,8.2,9.2,8.3,8.7,9.4,8.8,9.4,8.4,9.5,8.0,8.7,8.2,9.8,8.8,9.1,9.4,8.9,8.7,7.8,8.2,8.6,10.0,8.9,9.5,9.2,9.9,9.6,9.9,9.5,9.3,9.5,9.3,8.7,8.8,7.9,9.3,9.2,9.6,9.1,10.0,8.3,8.0,9.2,8.3,9.4,9.3,9.1,8.7,8.8,9.0,8.6,8.7,9.5,9.3,9.2,9.5,8.5,9.0,8.3,9.1,9.4,9.5,8.6,8.3,8.7,8.6,9.7,9.6,9.8,8.9,9.8,9.3,10.6,9.4,8.4,9.6,9.7,9.7,10.4,9.8,10.4,10.3,9.8,9.4,9.9,10.3,9.8,9.8,8.9,10.4,10.0,9.5,10.8,10.6,10.2,10.2,11.3,10.7,10.9,9.7,11.4,11.5,11.3,10.6]}},"recent_months":[{"month":"2025-11","pv_kwh_per_kwp_est":56.0,"radiation_kwh_m2":36.5,"sunshine_h":70.0,"temp_c":4.3,"precip_mm":59.0},{"month":"2025-12","pv_kwh_per_kwp_est":32.5,"radiation_kwh_m2":19.1,"sunshine_h":34.0,"temp_c":2.5,"precip_mm":10.0},{"month":"2026-01","pv_kwh_per_kwp_est":54.3,"radiation_kwh_m2":32.2,"sunshine_h":60.0,"temp_c":-0.2,"precip_mm":25.0},{"month":"2026-02","pv_kwh_per_kwp_est":60.0,"radiation_kwh_m2":44.9,"sunshine_h":61.0,"temp_c":5.0,"precip_mm":67.0},{"month":"2026-03","pv_kwh_per_kwp_est":114.5,"radiation_kwh_m2":101.2,"sunshine_h":157.0,"temp_c":6.2,"precip_mm":31.0},{"month":"2026-04","pv_kwh_per_kwp_est":148.7,"radiation_kwh_m2":159.3,"sunshine_h":258.0,"temp_c":11.6,"precip_mm":15.0},{"month":"2026-05","pv_kwh_per_kwp_est":148.3,"radiation_kwh_m2":191.1,"sunshine_h":273.0,"temp_c":15.3,"precip_mm":39.0},{"month":"2026-06","pv_kwh_per_kwp_est":149.7,"radiation_kwh_m2":199.1,"sunshine_h":294.0,"temp_c":21.1,"precip_mm":35.0},{"month":"2026-07","pv_kwh_per_kwp_est":164.0,"radiation_kwh_m2":213.7,"sunshine_h":337.0,"temp_c":22.3,"precip_mm":53.0},{"month":"2026-08","pv_kwh_per_kwp_est":143.9,"radiation_kwh_m2":173.6,"sunshine_h":280.0,"temp_c":22.7,"precip_mm":82.0},{"month":"2026-09","pv_kwh_per_kwp_est":143.5,"radiation_kwh_m2":135.5,"sunshine_h":261.0,"temp_c":16.8,"precip_mm":21.0},{"month":"2026-10","pv_kwh_per_kwp_est":87.0,"radiation_kwh_m2":68.0,"sunshine_h":118.0,"temp_c":11.5,"precip_mm":59.0}],"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 Radolfzell am Bodensee. Datenbasis PVGIS (EU JRC) und DWD. https://solaratlas24.de/ort/radolfzell-am-bodensee.html (Stand 2026-11)"}