The weather in Lake Louise in August is very cold with temperatures between 1°C and 19°C, warm clothes are a must.
You can expect rain for roughly half of the month of August in Lake Louise. 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 Lake Louise in August 2025.
If you’re planning to visit Lake Louise in the near future, we highly recommend that you review the 14 day weather forecast for Lake Louise before you arrive.
Temperatures
19° / 1°
Rainy Days
8
Snowy Days
0
Dry Days
23
Rainfall
94
mm
Sun Hours
11.3
Hrs
