Dubai has a visa on arrival facility for 33 nationalities, including the UK, eliminating the need to apply for a visa prior.
Temperature
The climate is sub-tropical, with sunny blue skies and high temperatures for most of the year. With highs of high 30’s in July and low 20’s in January. Rainfall is minimal.
With temperatures between June and September the sometimes topping 45°C during the day the best time to visit Dubai is between December and March, when the temperature is pleasurable.