Dubai is Arabic which historically was Bedouin nomadic desert dwellers, Arabian Gulf fishermen and Arab traders. Oil wealth changed that so now Dubai has a tolerant mix of cultures and religions from all over the world that give modern Dubai an edge over the austere form of Islamic Wahabism, which is influential in places like Saudi Arabia. Yes you can buy a beer in your Dubai hotel but outside your hotel I recommend you respect privacy of married Moslem women, the drink and dress code of UAE's Islamic religion.
Greeting: "Salaam Alaikum" meaning peace be upon you. Reply: Alaikum Salaam.
Names: Most men's first name is Mohammed also spelled Mohamed, Muhammed, Mohd often with a "bin" which means son of or in the case of a female, "bint" means daughter of. People have long names in Dubai with the name at the end being the family name
Polygamy is practiced in Dubai but only for Muslims men to marry more than one wife. Some marriages are arranged. Don't fraternize with Moslem women unless you're prepared to convert to Islam and you're respected by men of the family. Many women in Dubai ware the hajab or veil. Expats in Dubai call them BMOs (Black Moving Objects)
Depending on the wind direction and time of the year. Being north of the equator it gets to 50 degrees celsius about August. Combine this with high humidity if the wind blows from the Arabian Gulf in the north. The beach or pool side is a great place to be then. Arround the months of January I recommend you have warm clothes such as a woolen jumper for evening ware.
Dubai UAE has almost dead very dry desert to the east and the very much alive Arabian sea to the west. Mountains are a feature to the north near the border with Oman at the Straights of Hormus.
Dubai has an almost monarch ruler with the title of all Arabian Gulf states (Emirates) of monarchs: Sheikh Mohammed bin Rashid bin Saeed Al-Maktoum Prime minister and Vice President of UAE