Kos weather
The sunny island of Kos in the north eastern Aegean Sea enjoys a typically Mediterranean climate, attracting holidaymakers to its shores throughout the hot dry summers. The average annual temperature on Kos is 25C, with the spring and autumn months bringing warm sunny weather, and wInters staying fairly mild and gentle, with plenty of rainfall.

Weather on Kos - Long hot Mediterranean summers
The summer season begins around May, when temperatures in Kos are a pleasant 21C, reaching 25C by June. July and August tend to get extremely hot, and rainfall is practically non-existent during the height of the summer. Highs of over 30C are not uncommon, however temperatures average out at 28C, and the evenings do tend to cool down, with temperatures dropping to 22C at night. Like most of Greece and  her islands, the island is blessed with plenty of sunshine, with the height of the summer sometimes seeing up to 12 hours of sun a day. For a break from the oppressive heat, many visitors find the spring and autumn the best time to visit Kos, when the temperatures ranges between 16C and 20C, there is plenty of sunshine and the sea is still warm enough to swim in. 

Kos weather - Pleasant and warm during the spring and autumn
Winters on Kos are mild, with temperatures dropping to around 10C during January and Februray. Showers can be expected between October and May, with December being the wettest month, and rainfall decreasing dramatically after March. The sun continues to shine during the winter, with Kos still receiving roughly 4 or 5 hours a day during this time.