Dubai is an extravagant place to travel all year round, but best are winter months, try and avoid summer months. Located in the Middle East, Dubai is surrounded by deserts on one side and the Gulf coast on the other.
Most important is the Ramadan time. If you are visiting during Ramadan month, then please do not eat, drink, smoke in front of locals during day time. Bars, cafes are mostly closed during the day. If you are caught breaking any of the rules, you will be imprisoned.