The weather in Anglesey on saturday 21 June 2025
The average max temperature in Anglesey on 21 June is normally around 18°C. For comparison: the highest daytime temperature in the past 10 years was 28°C in 2017, while the lowest was 15°C in 2015.
There’s a very slim chance of precipitation, as only 2 out of the last 10 years saw any, with an average of 1,2 mm on this day. The wind often comes from the Southwest with a maximum strength of 4 Bft.The UV index can reach 8.
Temperature on 21 June in Anglesey per year
This chart shows the average temperature on 21 June in Anglesey, measured in degrees Celsius, over the past years.
Precipitation on 21 June in Anglesey over the past years
This chart shows the total measured precipitation in millimetres on 21 June in Anglesey over the past years.
Average Weather in Anglesey by Month
Click on a month below to see detailed weather info for Anglesey. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.