The temperatures in Nanaimo 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 Nanaimo 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 Nanaimo in August 2025.
If you’re planning to visit Nanaimo in the near future, we highly recommend that you review the 14 day weather forecast for Nanaimo before you arrive.
Temperatures
20° / 13°
Rainy Days
3
Snowy Days
0
Dry Days
28
Rainfall
72
mm
Sun Hours
11.0
Hrs
