The oil-rich kingdom is being hit with subzero temperatures and snow storms with freezing winds of up to 50 km/h (30mp/h). Some regions have been experiencing problems with water supplies as pipes have frozen, and livestock has died from the cold.
The Saudi Gazette reported late in December that the winter was expected to last 89 days, with temperatures reaching below zero. National media said the winter is the coldest in the country for 20 years.
Morning and afternoon prayers are being combined in many mosques because of the morning cold and some schools will reopen later than scheduled.
The bad weather is fun for children and teenagers, however, who have been making snowballs and building snowmen with enthusiasm.