The weather in Aosta in August is very cold with temperatures between 2°C and 17°C, warm clothes are a must.
There’s going to be many days of rain during the month of August in Aosta.
Aosta should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in Aosta in August 2025.
If you’re planning to visit Aosta in the near future, we highly recommend that you review the 14 day weather forecast for Aosta before you arrive.
Temperatures
17° / 2°
Rainy Days
15
Snowy Days
0
Dry Days
16
Rainfall
201
mm
Sun Hours
10.7
Hrs
