The average temperature in January is −0.7 °C and in July 18.1 °C. Summers are hotter in Dresden and winters are colder than the German average. Dresden lies in a climate zone of cold-moderate climate crossing over to a continental climate. The inner city's average monthly 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.