The temperatures in Gananoque in August are comfortable with low of 17°C and and high up to 25°C.
You can expect about 3 to 8 days of rain in Gananoque 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 Gananoque in August 2025.
If you’re planning to visit Gananoque in the near future, we highly recommend that you review the 14 day weather forecast for Gananoque before you arrive.
Temperatures
25° / 17°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
34
mm
Sun Hours
2.4
Hrs
