Dubai Climate and Weather   Dubai enjoys an arid subtropical climate, with blue skies and sunshine all year round. The hottest months are between June and September, when temperatures can soar to 45°C and more during the day and humidity levels are very high. Even the sea temperature touches on 40°C during the summer months, and swimming pools at hotels are usually cooled to be refreshing. Temperatures are only slightly more moderate the rest of the year, the coolest time being between December and March. There is very little rainfall in Dubai , but when showers do fall it is mainly in the cooler months.   Dubai   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec   Rainfall (mm)   23   23   10   5   0   0   0   0   0   0   10   36   Rainfall (inches)   0.9   0.9   0.4   0.2   0   0   0   0   0   0   0.4   1.4   Min Temp (°C)   12   14   16   18   22   25   28   28   25   22   18   14   Max Temp (°C)   23   24   27   30   34   36   38   39   37   33   31   26   Min Temp (°F)   54   57   61   64   72   77   82   82   77   72   64   57   Max Temp (°F)   73   75   81   86   93   97   100   102   99   91   88   79