Travellers cheques can be exchanged in most banks and hotels. US dollars are the preferred currency. Single location in capital city. Only Closed all day Friday. If you conform to traditional Yemeni lifestyle you can live relatively cheaply but if you want to purchase western food and enjoy en-suite facilities this will be expensive.
All accommodation has to be booked in advance.
Highland are warmer in the summer. Temperatures in the summer can be very high. Shia Muslim and small Christian communities also exist. Women are veiled. Women are not allowed to visit Yemen without a male companion.