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The climate of Santorini: when to go to Santorini

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The island of Santorini is located in the southern Aegean Sea, just north of the island of Crete, this small volcanic island has a Mediterranean-type climate and is very dry. The seasons are characterized by a long dry and hot summer season and a winter season with temperatures relatively mild but rainy.

On Santorini, the average maximum temperatures range from 14 ° C in the winter months to 28 ° C in the summer months, while the average minimum temperatures vary between 10 ° C in January and February and 22 ° C in July and August. The characteristic wind of the Aegean, the Etesian (Meltem), as in all the islands of the Cyclades is a constant and in the summer months makes the heat more bearable.

Most of the rain falls between October and March, the wettest months are between November and January. The months between April and September are very dry and in this period the rains are very rare. The island of Santorini receive on average less than 400 mm of rainfall in a year.

The water temperature of the sea of ​​Santorini is great for swimming in the sea from June to October, and in August the water temperature reaches 25 ° C.


Excluding the winter, all seasons are suitable to visit the island of Santorini, its mild climate makes it a pleasant destination in spring and autumn. The season’s most frequented by tourists is the summer that is hot and dry, the high temperatures, however, are mitigated by the constant blowing of the Etesian (Meltem) wind.


Month Average low (°C) Average high (°C) Precip. (mm) Precip. days
January 10,0 14,0 71  10
February 10,0 14,0 43  9
March 11,0 16,0 40  7
April 13,0 18,0 16  4
May 17,0 23,0 11  3
June 21,0 27,0 0  0
July 23,0 29,0 7  1
August 23,0 29,0 0  0
September 21,0 26,0 11  3
October 18,0 23,0 38  4
November 14,0 19,0 59  8
December 11,0 15,0 75  11
YEAR 16,0 21,1 371  59

Month Sea Water Temperature °C
January 16
February 16
March 16
April 17
May 19
June 22
July 24
August 25
September 24
October 23
November 20
December 18



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