In general, Qatar has an arid and hot desert climate. In Doha, the weather is always warm or hot and the nights use to be cool. The summer is very long in Doha, from May to September, with avarage temperatures of more than 38°C, very often reaching the 45°C. During the winter it is relatively warm and cool during the night.
Usually, the work days in Qatar are Sunday to Thursday, being Friday and Saturday the weekend days. Usually the banks are open from 7:30h to 13h, but some located in shopping centre also open in the evenings. The main shopping centres open from 10h to 22h and they usually just close on Friday mornings.