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Mykonos: Annual Weather Averages. July is the hottest month in Mykonos with an average temperature of 26Â°C (79Â°F) and the coldest is January at 9Â°C (48Â°F) with the most daily sunshine hours at 14 in July. The wettest month is November with an average of 170mm of rain.
The average hourly wind speed in Mykonos is rapidly increasing during June, increasing from 10.6 miles per hour to 13.2 miles per hour over the course of the month. For reference, on January 30, the windiest day of the year, the daily average wind speed is 16.2 miles per hour, while on May 24, the calmest day of the year, the daily average wind speed is 10.5 miles per hour.