The line of the Tropic of Cancer crosses through the UAE, causing the weather in Dubai to be warm and sunny. In the winter it has an average daytime temperature of 25°C , nearer the coast 12-15°C , in the desert or mountains 5°C. With the nights being relatively cool. Near coastal areas humidity can average between 50% and 60%.
In the summer, the weather in Dubai is very hot and humid, with temperatures reaching mid 40’s. Even the sea temperature can reach 37°C , with humidity averaging over 90%.
Rainfall in Dubai is infrequent and does not last for a long period. It mostly rains during the winter period in the form of short gushes and an occasional thunderstorm. On average, rain falls only five days a year.