Geography and urban development of Dresden temperatures are almost the same as those in cities in southwest Germany; on average 10.2°C per year. In hot summers, Dresden is between the hot Lusatia and the milder Ore Mountains. Both regions are characterised by strong winters: temperatures of −20°C are not impossible in Dresden. The driest months are February and March, with precipitation of 40 mm. Spring months have often been arid in the last couple of years (with less than 10 mm of precipitation). The most precipitation falls in July and August, at 60 mm per month. Due to its location on the banks of the Elbe
Lübeck–Hamburg railway to be modified. Although international trains never stop there, they do pass through, so the station has to comply with international standards. Starting in 2017, the Hamburg–Bad Oldesloe section will be upgraded for S-Bahn operations with new stations at Claudiusstraße, Bovestraße, Holstenhofweg and Pulverhof. By 2018, the railway crossing at the Hammer Straße in Marienthal will be replaced by an underpass, which is seen as a prerequisite for the expansion of the S-Bahn. Lübeck–Hamburg railway The Hamburg–Lübeck railway is one of the most important mainline railways of the German states of Schleswig-Holstein and Hamburg. It connects the two Hanseatic cities