The temperatures in Le Grand Bornand in August are quite cold with temperatures between 9°C and 22°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Le Grand Bornand 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 Le Grand Bornand in August 2025.
If you’re planning to visit Le Grand Bornand in the near future, we highly recommend that you review the 14 day weather forecast for Le Grand Bornand before you arrive.
Temperatures
22° / 9°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
72
mm
Sun Hours
9.1
Hrs