Temperatures there are milder in the summer (in the north, between 20 and 24 °C, with cold nights between 4 and 9 °C; in the south, summers are between 16 and 20 °C, at night temperatures are similar to the north) and much colder in the winter, with frequent snowfall (although snow cover rarely lasts very long). Daytime highs range from 3 to 9 °C in the north, and from 0 to 7 °C in the south, whereas nights range from −5 to 2 °C everywhere. Cold waves can bring much colder values; a temperature of -21 °C has been recorded in Bariloche, and most places can often have temperatures between −12 and −15 °C and highs staying around 0 °C for a few days.