The summer never ends in the Maldives. Although it is warm throughout the year there are slight variations in the temperature during certain periods determined by the monsoon; from November to April is mostly dry with very little wind, while the southwest monsoon from May to October brings some rain and the temperature varies very little. The annual average daily temperature is between 30.4 and 25.4 degrees Celsius. The average rainfall is below 2mm per annum.