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Jasper Weather in August
August in Jasper averages 17°C (63°F) during the day and 3°C (37°F) at night. Quite a bit of rainfall is typical this month, with around 92 mm (3.6 in) on average. An umbrella is a good idea.
Rainfall in Jasper in August
Climate statistics over the past 30 years suggest around 14 days of rain, with 92 mm (3.6 in) average for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Jasper in August
In August, Jasper sees moderate temperatures, with highs of 17°C (63°F). Nights drop to around 3°C (37°F). During August, you'll experience the summer season. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 3°C (37°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Jasper in August
There are approximately 235 hours of sunshine this month, resulting in mostly clear days.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Jasper Temperature in August
Min Temperature
3°C (37°F)
Max Temperature
17°C (63°F)
Chance of Rain
46%
Precipitation
92 mm (3.6 in)
Rainy days
14 days
Sunshine
235 hours
Percentage Sunshine
52%
Jasper Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Jasper - and find the best time to visit.
Daily Historical Temperatures
33-year average (1992-2025)
Based on our historical records, temperatures in Jasper typically stay consistent throughout August, with daily highs averaging around 17°C (63°F). Nights are cold, with lows typically ranging from 5°C (41°F) to 8°C (46°F).
Average temperatures in August
Daily Historical Precipitation
33-year average (1992-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather records for Jasper in August
Browse day-by-day weather records for Jasper spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Jasper historical weather extremes in August
Our historical data for Jasper spans 1994 to 2026, revealing these weather extremes.
- The warmest day in August was on August 12, 2014, with a maximum of 33°C (91°F).
- On August 31, 1999, Jasper saw its coldest August day with temperatures maxing out at 6°C (43°F).
- The lowest overnight temperature recorded in August was -3°C (27°F) (August 18, 2005).
- The wettest August day on record brought 40 mm (1.6 in) of precipitation to Jasper (August 17, 1994).
Best Places in Canada in August
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in August →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Jasper in August
Comfortable temperatures call for an easy wardrobe in August. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Jasper in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports9/10
Jasper 3-Day Forecast
More climate data for Jasper
See the full Jasper climate overview or explore weather in Canada.
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