weather in jasper canada in august
Weather in Jasper in August 2016. Check the weather in Jasper in August before you book your next holiday in Alberta. Long-term weather averages give the best indication of the weather in August 2016 and include figures for temperature, sunshine and rainfall for Jasper, Alberta, Canada. Weather in Jasper in August. The average maximum daytime temperature in Jasper in August is a comfortable 20Â°C (68Â°F). There are usually 7 hours of bright sunshine each day, which represents 50% of the 15 hours of daylight.