The weather in Northern Ireland on friday 20 June 2025
The average max temperature in Northern Ireland on 20 June is normally around 19°C. For comparison: the highest daytime temperature in the past 10 years was 21°C in 2017, while the lowest was 14°C in 2019.
There’s a good chance of precipitation, as 7 out of the last 10 years saw some, with an average of 4,2 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 20 June in Northern Ireland per year
This chart shows the average temperature on 20 June in Northern Ireland, measured in degrees Celsius, over the past years.
Precipitation on 20 June in Northern Ireland over the past years
This chart shows the total measured precipitation in millimetres on 20 June in Northern Ireland over the past years.
Average Weather in Northern Ireland by Month
Click on a month below to see detailed weather info for Northern Ireland. 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 Northern Ireland for all months at once