The weather in Mykonos on wednesday 21 May 2025
The average max temperature in Mykonos on 21 May is normally around 24°C. For comparison: the highest daytime temperature in the past 10 years was 25°C in 2015, while the lowest was 21°C in 2014.
There’s a very slim chance of precipitation, as only 1 out of the last 10 years saw 2,5 mm of it on this day. The wind often comes from the Southeast with a maximum strength of 5 Bft.The UV index can reach 9.
Temperature on 21 May in Mykonos per year
This chart shows the average temperature on 21 May in Mykonos, measured in degrees Celsius, over the past years.
Precipitation on 21 May in Mykonos over the past years
This chart shows the total measured precipitation in millimetres on 21 May in Mykonos over the past years.
Average Weather in Mykonos by Month
Click on a month below to see detailed weather info for Mykonos. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.