The weather in Groix on friday 15 August 2025
The average max temperature in Groix on 15 August is normally around 22°C. For comparison: the highest daytime temperature in the past 10 years was 32°C in 2016, while the lowest was 19°C in 2015.
There’s a very slim chance of precipitation, as only 1 out of the last 10 years saw 10 mm of it on this day. The wind often comes from the West with a maximum strength of 6 Bft.The UV index can reach 8.
14 August
Temperature on 15 August in Groix per year
This chart shows the average temperature on 15 August in Groix, measured in degrees Celsius, over the past years.
Precipitation on 15 August in Groix over the past years
This chart shows the total measured precipitation in millimetres on 15 August in Groix over the past years.
Average Weather in Groix by Month
Click on a month below to see detailed weather info for Groix. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
