The weather in Sully Island on monday 19 May 2025
The average max temperature in Sully Island on 19 May is normally around 16°C. For comparison: the highest daytime temperature in the past 10 years was 20°C in 2014, while the lowest was 12°C in 2015.
There’s a good chance of precipitation, as 7 out of the last 10 years saw some, with an average of 1,5 mm on this day. The wind often comes from the West with a maximum strength of 4 Bft.The UV index can reach 8.
18 May
Temperature on 19 May in Sully Island per year
This chart shows the average temperature on 19 May in Sully Island, measured in degrees Celsius, over the past years.
Precipitation on 19 May in Sully Island over the past years
This chart shows the total measured precipitation in millimetres on 19 May in Sully Island over the past years.
Average Weather in Sully Island by Month
Click on a month below to see detailed weather info for Sully Island. 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 Sully Island for all months at once
