The weather in Syros on saturday 31 May 2025
The average max temperature in Syros on 31 May is normally around 26°C. For comparison: the highest daytime temperature in the past 10 years was 30°C in 2016, while the lowest was 23°C in 2023.
There’s a very slim chance of precipitation, as only 1 out of the last 10 years saw 17 mm of it on this day. The wind often comes from the South with a maximum strength of 4 Bft.The UV index can reach 10.
Temperature on 31 May in Syros per year
This chart shows the average temperature on 31 May in Syros, measured in degrees Celsius, over the past years.
Precipitation on 31 May in Syros over the past years
This chart shows the total measured precipitation in millimetres on 31 May in Syros over the past years.
Average Weather in Syros by Month
Click on a month below to see detailed weather info for Syros. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.