Cyprus - Climate In general the climate in dry and sunny. The plains usually have an annual rainfall of about 50 cm. more than half of which falls during December and January. and the remainder during the other winter months. However rainfall has been much less than this during the past few years, resulting in a serious shortage on the island. . Winter extends from November to early March, when average temperatures fall to about 18 C during the day and 2 C  at night, though it is much colder in the mountains. 'There is usually snow on the Troodos range between January and March. From June to September the weather is hot; in late July and early August the temperature reaches over 38C  every day, with high humidity in the coastal areas.