The temperatures in Rimouski in August are usually low and can range between 13°C and 20°C.
You can expect about 3 to 8 days of rain in Rimouski 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 Rimouski in August 2025.
If you’re planning to visit Rimouski in the near future, we highly recommend that you review the 14 day weather forecast for Rimouski before you arrive.
Temperatures
20° / 13°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
117
mm
Sun Hours
10.3
Hrs
