The weather in Syros on saturday 21 December 2024
The average max temperature in Syros on 21 December is normally around 15°C. For comparison: the highest daytime temperature in the past 10 years was 19°C in 2019, while the lowest was 11°C in 2016.
There’s a very slim chance of precipitation, as only 2 out of the last 10 years saw any, with an average of 3,8 mm on this day. The wind often comes from the West with a maximum strength of 5 Bft.The UV index can reach 4.
Temperature on 21 December in Syros per year
This chart shows the average temperature on 21 December in Syros, measured in degrees Celsius, over the past years.
Precipitation on 21 December in Syros over the past years
This chart shows the total measured precipitation in millimetres on 21 December 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.