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. Dress modestly and do not look at the local men or smile at them.
Local ferries connect ports.
The road network is mainly limited to desert track. Use of 4-wheel drive vehicles with a guide is recommended. There are regular intercity bus services. Sharing taxis is the cheapest form of transport between cities. Fares should be negotiated before hand.