The climate of UAE has subtropical-arid weather with hot summer and warm winter. The weather from June to September is hot and humid with high temperatures.
The most pleasant period to visit UAE is during winter season, which runs from October to March, and the spring and the autumn months from March to May. Rainfall can be expected during the winter but it is sporadic
However, please note that Dubai weather is well prepared for hot weather with temperature controlled swimming pools and permanently air-conditioned hotels, malls, taxi and metros.