Weathermondo.com
Northern IrelandThe weather in Achill Island on tuesday 21 January 2025
The average max temperature in Achill Island on 21 January is normally around 9°C. For comparison, the highest daytime temperature in the past 10 years was 12°C in 2018, while the lowest was 7°C in 2015.
There’s a good chance of precipitation, as 8 of the past 10 years saw precipitation on this day, with an average of 4,5 mm.The wind often comes from the Southwest with a maximum speed of 5 Bft.The UV index can reach 2.
20 January
Temperature on 21 January in Achill Island per year
This chart shows the average temperature on 21 January in Achill Island, measured in degrees Celsius, over the past years.
Precipitation on 21 January in Achill Island over the past years
This chart shows the total measured precipitation in millimeters on 21 January in Achill Island over the past years.
Average weather in Achill Island by month
Click on a month below to see detailed weather info for Achill 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 Achill Island for all months at once