The temperatures in Nantes in August are comfortable with low of 14°C and and high up to 25°C.
You can expect about 3 to 8 days of rain in Nantes during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Nantes in August 2025.
If you’re planning to visit Nantes in the near future, we highly recommend that you review the 14 day weather forecast for Nantes before you arrive.
Temperatures
25° / 14°
Rainy Days
3
Snowy Days
0
Dry Days
28
Rainfall
50
mm
Sun Hours
10.5
Hrs
