The months June, July, August and September have a nice average temperature – this is in fact regarded as the best time to visit Baden Baden, thus earning itself the title of,Summer capital of Europe’.On an average, the warmest month is August, the coolest being January.June is the wettest month, while September is the driest month.Visit Baden-Baden in the quieter months of the year and you will soon see that the “Summer Capital of Europe” is well worth a visit in winter, too.