Seasons in South Africa are the opposite of the northern hemisphere. Summer begins in December and winter begins in June. Winters are relatively mild with many sunny days. The Western Cape enjoys a Mediterranean climate, i.e. wet winters and dry summers. In summer, coastal cities are slightly cooler than inland, and in winter the inland regions are cooler. Even during summer, it is best to bring one or two medium over clothes, the sort you would wear in autumn, as some evenings can be cool outdoors. Sunblock is advisable when spending any time outdoors.