The weather in Zakynthos on wednesday 21 May 2025
The average max temperature in Zakynthos on 21 May is normally around 25°C. For comparison: the highest daytime temperature in the past 10 years was 30°C in 2018, while the lowest was 21°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 10,0 mm on this day. The wind often comes from the Southwest with a maximum strength of 3 Bft.The UV index can reach 8.
20 May
Temperature on 21 May in Zakynthos per year
This chart shows the average temperature on 21 May in Zakynthos, measured in degrees Celsius, over the past years.
Precipitation on 21 May in Zakynthos over the past years
This chart shows the total measured precipitation in millimetres on 21 May in Zakynthos over the past years.
Average Weather in Zakynthos by Month
Click on a month below to see detailed weather info for Zakynthos. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Zakynthos for all months at once
