Except for the southwestern regions such as Asir, Saudi Arabia has a desert climate with very high day-time temperatures during the summer and a sharp temperature drop at night. Average summer temperatures are around , but can be as high as at its most extreme. In the winter the temperature rarely drops below with the exception of mostly the northern regions of the country where annual snowfall, in particular in the mountainous regions of Tabuk province, is not uncommon. The lowest recorded temperature to date, −12.0 °C (10.4 °F), was measured in Turaif.