The temperatures in Joliette in August are comfortable with low of 14°C and and high up to 24°C.
You can expect rain for roughly half of the month of August in Joliette. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Joliette in August 2025.
If you’re planning to visit Joliette in the near future, we highly recommend that you review the 14 day weather forecast for Joliette before you arrive.
Temperatures
24° / 14°
Rainy Days
8
Snowy Days
0
Dry Days
23
Rainfall
44
mm
Sun Hours
2.3
Hrs
