Yes, visitors to Dubai from most countries require a visa. Visa requirements vary depending on your nationality and the purpose of your visit. It's advisable to check the visa requirements well in advance of your travel dates.

Dubai experiences hot weather throughout the year. The best time to visit is during the winter months, from November to March, when the weather is milder and more comfortable for outdoor activities.

While Dubai is relatively liberal compared to some other Middle Eastern countries, it's advisable to dress modestly, especially when visiting religious sites or public places. Swimwear should be reserved for the beach or pool areas.

The currency used in Dubai is the United Arab Emirates Dirham (AED). Major credit cards are widely accepted, and ATMs are readily available throughout the city for cash withdrawals.

While Dubai is a modern cosmopolitan city, it's respectful to be mindful of local customs and etiquette. For example, public displays of affection should be kept to a minimum, and it's important to respect Islamic traditions and practices, especially during religious holidays and events.